{"product_id":"jbl-pd5122","title":"JBL PD5122","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\r\n\u003cdiv id=\"overview\"\u003eThe PD5122 is intended for use as a flown or \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Ground:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;In electrical engineering, the term ground or earth has several meanings depending on the specific application areas. Ground is the reference point in an electrical circuit from which other voltages are measured, a common return path for electrical current (earth return or ground return), or a direct physical connection to the Earth.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eground\u003c\/span\u003e supported, high \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Power:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The rate at which electrical energy is applied to or taken from a device. It is expressed in terms of watts, milliwatts or microwatts.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epower\u003c\/span\u003e low \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The number of times a periodic waveform cycles, or repeats, over a period of time.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003efrequency\u003c\/span\u003e module used in conjunction with mid\/high-only or fullrange systems of the PD5000 series.\u003c\/div\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cdiv id=\"features\"\u003e\r\n\u003cul class=\"list\"\u003e\r\n\u003cli\u003eDual high \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Power:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The rate at which electrical energy is applied to or taken from a device. It is expressed in terms of watts, milliwatts or microwatts.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epower\u003c\/span\u003e 300 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (12 in) low \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The number of times a periodic waveform cycles, or repeats, over a period of time.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003efrequency\u003c\/span\u003e drivers.\u003c\/li\u003e\r\n\u003cli\u003eDesigned to extend LF pattern control of PD5322 systems.\u003c\/li\u003e\r\n\u003cli\u003eSlot-loaded configuartion duplicates LF performance of PD5322.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cdiv id=\"specifications\"\u003e\r\n\u003cul class=\"list\"\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency Range:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The actual range or span of frequencies from low to high that a unit can pass or reproduce. In terms of audio recording studios, this is usually limited to the range of 20 Hz to 20,000 Hz, which represents the full range of human hearing.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The number of times a periodic waveform cycles, or repeats, over a period of time.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eFrequency\u003c\/span\u003e Range\u003c\/span\u003e\u003c\/span\u003e: 41 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Hz:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A unit of measure of the frequency of a vibrating object, such as a guitar string, speaker cone or electrical signal. Equivalent to cycles per second, it is named for Heinrich Hertz and abbreviated \" hz.\u003e] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u0026gt;Hz\u003c\/span\u003e to 1 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; kHz:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Kilohertz, 1,000 Hertz, or one thousand cycles per second.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ekHz\u003c\/span\u003e (-10 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; dB:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The decibel (dB) is a logarithmic unit of measurement that expresses the magnitude of a physical quantity (usually power or intensity) relative to a specified or implied reference level. Since it expresses a ratio of two (same unit) quantities, it is a dimensionless unit. A decibel is one tenth of a bel (B).We perceive loudness of sound as the logarithm of the actual sound intensity, and dB (decibels) are a logarithmic scale.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003edB\u003c\/span\u003e)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency Response:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;(Example, 30-20,000 Hz) Describes the audible range of frequencies that an audio system will reproduce. (Note: All else being equal, the lower the low number, the better the bass response and the higher the high number, the better the treble response.)\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency Response:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The actual range or span of frequencies from low to high that a unit can pass or reproduce. In terms of audio recording studios, this is usually limited to the range of 20 Hz to 20,000 Hz, which represents the full range of human hearing.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The number of times a periodic waveform cycles, or repeats, over a period of time.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eFrequency\u003c\/span\u003e Response\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e: 49 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Hz:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A unit of measure of the frequency of a vibrating object, such as a guitar string, speaker cone or electrical signal. Equivalent to cycles per second, it is named for Heinrich Hertz and abbreviated \" hz.\u003e] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u0026gt;Hz\u003c\/span\u003e to 300 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; kHz:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Kilohertz, 1,000 Hertz, or one thousand cycles per second.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ekHz\u003c\/span\u003e ( +\/- 3 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; dB:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The decibel (dB) is a logarithmic unit of measurement that expresses the magnitude of a physical quantity (usually power or intensity) relative to a specified or implied reference level. Since it expresses a ratio of two (same unit) quantities, it is a dimensionless unit. A decibel is one tenth of a bel (B).We perceive loudness of sound as the logarithm of the actual sound intensity, and dB (decibels) are a logarithmic scale.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003edB\u003c\/span\u003e)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Transducer:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;In audio, a device to convert sound to electrical energy or vice versa. Microphones and loudspeakers are two type of transducers. Also refers to the portion of a microphone that is directly involved with conversion of sound energy to electrical energy. A phono cartridge also is a transducer, one that converts mechanical energy (vibration of the stylus) into electrical energy.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eTransducer\u003c\/span\u003e \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Power:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The rate at which electrical energy is applied to or taken from a device. It is expressed in terms of watts, milliwatts or microwatts.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ePower\u003c\/span\u003e Rating (AES)\u003c\/span\u003e: 1600W (6400 W \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Peak:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The opposite of dipping. A peak is an EQ curve that looks like a hill, or a peak. Peaking with an equalizer amplifies a band of frequencies. Peaking also can refer to a very strong signal in an audio path that is overloading or clipping.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epeak\u003c\/span\u003e) 2 hrs\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eLong-Term System \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Power:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The rate at which electrical energy is applied to or taken from a device. It is expressed in terms of watts, milliwatts or microwatts.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ePower\u003c\/span\u003e Rating (\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; IEC:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;IEC is the common name of a power cord or connector used in consumer electronics components. The design standards for IEC connectors are defined by the International Electrotechnical Commission. An IEC connector uses a two or three conductor cable depending on the component. An important benefit of IEC connectors is that they are interchangeable between different products.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eIEC\u003c\/span\u003e)\u003c\/span\u003e: P1200 W (4800 W \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Peak:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The opposite of dipping. A peak is an EQ curve that looks like a hill, or a peak. Peaking with an equalizer amplifies a band of frequencies. Peaking also can refer to a very strong signal in an audio path that is overloading or clipping.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epeak\u003c\/span\u003e), 100 hrs\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eMaximum \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; SPL:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Sound pressure is the local pressure deviation from the ambient (average, or equilibrium) pressure caused by a sound wave. Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The instantaneous sound pressure is the deviation from the local ambient pressure p0 caused by a sound wave at a given location and given instant in time. The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). In a sound wave, the complementary variable to sound pressure is the acoustic particle velocity. For small amplitudes, sound pressure and particle velocity are linearly related and their ratio is the acoustic impedance. The acoustic impedance depends on both the characteristics of the wave and the medium. The local instantaneous sound intensity is the product of the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSPL\u003c\/span\u003e\u003c\/span\u003e: 128 dB-\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; SPL:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Sound pressure is the local pressure deviation from the ambient (average, or equilibrium) pressure caused by a sound wave. Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The instantaneous sound pressure is the deviation from the local ambient pressure p0 caused by a sound wave at a given location and given instant in time. The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). In a sound wave, the complementary variable to sound pressure is the acoustic particle velocity. For small amplitudes, sound pressure and particle velocity are linearly related and their ratio is the acoustic impedance. The acoustic impedance depends on both the characteristics of the wave and the medium. The local instantaneous sound intensity is the product of the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSPL\u003c\/span\u003e cont avg (134 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Peak:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The opposite of dipping. A peak is an EQ curve that looks like a hill, or a peak. Peaking with an equalizer amplifies a band of frequencies. Peaking also can refer to a very strong signal in an audio path that is overloading or clipping.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epeak\u003c\/span\u003e)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eInput Modes\u003c\/span\u003e: Drivers Parallel \/ Drivers Discrete\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eNominal \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Impedance:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Electrical impedance, or simply impedance, describes a measure of opposition to alternating current (AC). Electrical impedance extends the concept of resistance to AC circuits, describing not only the relative amplitudes of the voltage and current, but also the relative phases. When the circuit is driven with direct current (DC) there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eImpedance\u003c\/span\u003e\u003c\/span\u003e: 4 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Ohms:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The unit by which resistance to electrical current is measured. From Ohm's Law (Current=Voltage\/Resistance, or in other words, Current=Voltage\/Ohms), a mathematical expression of the relationship between these three elements. It is also symbolized by the Greek capital letter omega (Ω).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eohms\u003c\/span\u003e in parallel-drive mode\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eSensitivity6 (1W, 1m)\u003c\/span\u003e: 116 dB-\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; SPL:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Sound pressure is the local pressure deviation from the ambient (average, or equilibrium) pressure caused by a sound wave. Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The instantaneous sound pressure is the deviation from the local ambient pressure p0 caused by a sound wave at a given location and given instant in time. The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). In a sound wave, the complementary variable to sound pressure is the acoustic particle velocity. For small amplitudes, sound pressure and particle velocity are linearly related and their ratio is the acoustic impedance. The acoustic impedance depends on both the characteristics of the wave and the medium. The local instantaneous sound intensity is the product of the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSPL\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eLow \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Frequency:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The number of times a periodic waveform cycles, or repeats, over a period of time.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eFrequency\u003c\/span\u003e \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Driver:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A speaker driver is an individual transducer that converts electrical energy to sound waves, typically as part of a loudspeaker, television, or other electronics device. Sometimes the transducer is itself referred to as a speaker, particularly when a single one is mounted in an enclosure or as surface-mounted device (as in a wall-mounted speaker, car audio speaker, and so on). There are many different types of speaker drivers. The most common ones are the woofer, mid-range and tweeter, as well as subwoofers which are becoming very common. Less common types of speaker drivers are supertweeters and rotary woofers, a new technology that is still proprietary of Eminent Technology.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eDriver\u003c\/span\u003e\u003c\/span\u003e: 2 x JBL 300 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (12 in) VGC drivers with 100 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (4 in) \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Voice Coil:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The voice coil is the coil of wire fixed to a cylinder at the apex of the loudspeaker cone that interacts with a magnetic field. With the help of other speaker components, the voice coil is the active transducer that converts electrical signals from the amplifier or receiver into mechanical energy, which we hear as sound. The voice coil cylinder is the part of the speaker around which the voice coil is wound. More advanced speakers offer a heat-resistant voice coil to prolong speaker life.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003evoice coil\u003c\/span\u003e with minimal \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Power:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The rate at which electrical energy is applied to or taken from a device. It is expressed in terms of watts, milliwatts or microwatts.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003epower\u003c\/span\u003e \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Compression:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Dynamic range compression, also called DRC (often seen in DVD and car CD player settings) or simply compression, is a process that reduces the dynamic range of an audio signal. Compression is used during sound recording, live sound reinforcement, and broadcasting to control the level of audio. A compressor is the device used to apply compression.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ecompression\u003c\/span\u003e and low \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Distortion:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Change in the form of an electrical signal or sound wave during processing.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003edistortion\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Enclosure:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A box that contains the driver(s).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eEnclosure\u003c\/span\u003e\u003c\/span\u003e: Trapezoidal with 15 degree side angles, 16 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (5\/8 in) exterior grade 11-ply\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Sensitivity:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A measure of the relative efficiency of a speaker or loudspeaker system, often expressed as the number of decibels the unit will produce fed from a 1-watt signal measured at a distance of one meter.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSensitivity\u003c\/span\u003e (1W, 1m)\u003c\/span\u003e: 109 dB-SPL14 dB-\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; SPL:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Sound pressure is the local pressure deviation from the ambient (average, or equilibrium) pressure caused by a sound wave. Sound pressure can be measured using a microphone in air and a hydrophone in water. The SI unit for sound pressure is the pascal (symbol: Pa). The instantaneous sound pressure is the deviation from the local ambient pressure p0 caused by a sound wave at a given location and given instant in time. The effective sound pressure is the root mean square of the instantaneous sound pressure over a given interval of time (or space). In a sound wave, the complementary variable to sound pressure is the acoustic particle velocity. For small amplitudes, sound pressure and particle velocity are linearly related and their ratio is the acoustic impedance. The acoustic impedance depends on both the characteristics of the wave and the medium. The local instantaneous sound intensity is the product of the sound pressure and the acoustic particle velocity and is, therefore, a vector quantity.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSPL\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eWaveguides\u003c\/span\u003e: MF: PT-N64MF 600 x 600 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (24 x 24 in) HF: PT-H64HF 300 x 300 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (12 x 12 in)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003e\u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Enclosure:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A box that contains the driver(s).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eEnclosure\u003c\/span\u003e\u003c\/span\u003e: Trapezoidal with 15 degree side angles, 16 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (.625 in) exterior grade 11-ply Finnish birch plywood.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eSuspension Attachment\u003c\/span\u003e: 20 points (5 top, 5 bottom, 4 each side, 2 rear), M10 threaded hardware (eyebolts NOT included, see optional accessories).\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eFinish\u003c\/span\u003e: Black DuraFlex finish. White (-WH) available upon request.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eOptional Weather Resistant Versions\u003c\/span\u003e: WRC for outdoor placement where the \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Loudspeaker:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;A loudspeaker (or \" speaker is an electroacoustic transducer that converts electrical signal into sound. the pulses in accordance with variations of and causes sound waves to propagate through a medium such as air or water.\u003e\u003cbr\u003eLoudspeakers (and other electroacoustic transducers) are the most variable elements in a modern audio system and are usually responsible for most distortion and audible differences when comparing sound systems.] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u0026gt;loudspeaker\u003c\/span\u003e will be sheltered from direct exposure to the elements. WRX for direct exposure or extreme environments.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eGrille\u003c\/span\u003e: Powder coated 14 gauge perforated steel, zinc-phosphate dipped, foam backing (grille cloth backing on white units)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eInput Connectors\u003c\/span\u003e: Neutrik \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Speakon:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The Speakon is a type of cable connector, originally manufactured by Neutrik, mostly used in professional audio systems for connecting loudspeakers to amplifiers. The same manufacturer produces another connector dubbed PowerCon, which is designed to carry mains power rather than audio signal. The audio and power designs cannot connect to each other.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;A Speakon connector is designed with a locking system that may be designed for soldered or screw-type connections. Line connectors (female) mate with (male) panel connectors and typically a cable will have identical connectors at both ends. If it is needed to join cables, a coupler can be used (which essentially consists of two panel connectors mounted on the ends of a plastic tube). Recently the manufacturer has introduced a new series called STX which includes also male line connectors and female panel connectors (in the four-pole and eight-pole version only).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSpeakon\u003c\/span\u003e NL8, plus CE-compliant covered \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Barrier Strip:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Also know as a terminal strip. A series of screw terminals arranged in a line, to which other devices are connected. Popular on equipment from about twenty years ago due its low cost and reliability, nowadays the connectors are mostly found on amplifiers or crossovers that are going to be installed into permanent installations.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ebarrier strip\u003c\/span\u003e terminals. Barrier terminals accept up to 5.2 sq \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (10 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; AWG:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Abbreviation for American Wire Gauge. Used in the United States and other countries as a standard method of denoting wire diameter. The higher the number the thinner the wire. Thicker wire is generally capable of carrying larger amount of current over greater distances with less loss (though there are other things that cause current loss in wire). Sometimes the loss of cables is rated in Ohms per one thousand feet and for a particular type of wire the lower gauges (larger wires) have less resistance to current flow.\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eAWG\u003c\/span\u003e) wire or max width 9 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (.375 in) spade lugs. \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Speakon:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;The Speakon is a type of cable connector, originally manufactured by Neutrik, mostly used in professional audio systems for connecting loudspeakers to amplifiers. The same manufacturer produces another connector dubbed PowerCon, which is designed to carry mains power rather than audio signal. The audio and power designs cannot connect to each other.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;A Speakon connector is designed with a locking system that may be designed for soldered or screw-type connections. Line connectors (female) mate with (male) panel connectors and typically a cable will have identical connectors at both ends. If it is needed to join cables, a coupler can be used (which essentially consists of two panel connectors mounted on the ends of a plastic tube). Recently the manufacturer has introduced a new series called STX which includes also male line connectors and female panel connectors (in the four-pole and eight-pole version only).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003eSpeakon\u003c\/span\u003e in parallel with \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; Barrier Strip:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;Also know as a terminal strip. A series of screw terminals arranged in a line, to which other devices are connected. Popular on equipment from about twenty years ago due its low cost and reliability, nowadays the connectors are mostly found on amplifiers or crossovers that are going to be installed into permanent installations.\u0026lt;br\u0026gt;\u0026lt;br\u0026gt;\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003ebarrier strip\u003c\/span\u003e for loop through.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eEnvironmental Specifications\u003c\/span\u003e: Mil-Std 810; IP-x3 per IEC529. For higher environmental ratings, use WRC or WRX.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eDimensions (H x W x D in vertical orientation)\u003c\/span\u003e: 357 x 673 x 706 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e (14.1 x 26.5 x 27.8 in)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eNet Weight\u003c\/span\u003e: 36.4 kg (80 lb)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan class=\"spec\"\u003eOptional Accessories\u003c\/span\u003e: kit of three M10 x 35 \u003cspan class=\"dictionary\" title=\"header=[\u0026lt;span class=boxoverheaderplain\u0026gt;Definition of\u0026lt;\/span\u0026gt; mm:] body=[\u0026lt;table\u0026gt;\u0026lt;td\u0026gt;One thousandth of a meter (0.039 in.).\u0026lt;\/td\u0026gt;\u0026lt;\/tr\u0026gt;\u0026lt;\/table\u0026gt;] cssheader=[boxoverheader] cssbody=[boxoverbody]\"\u003emm\u003c\/span\u003e forged shoulder steel eyebolts.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":43892953743403,"sku":"JBL-PD5122","price":1825.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/pd5122_front_nogrill_r__27797.1682433992.1280.1280.jpg?v=1775679614","url":"https:\/\/www.empirepro.com\/products\/jbl-pd5122","provider":"Empire Pro","version":"1.0","type":"link"}