{"product_id":"shure-sm81-lc","title":"Shure SM81-LC","description":"\u003cp\u003eThe Shure SM81 is a high-quality unidirectional condenser microphone designed for studio recording broadcasting and sound reinforcement. Its wide frequency response low noise characteristics and low RF susceptibility have made it a standard for applications involving acoustic instruments especially guitar piano and cymbals.\u003c\/p\u003e\r\n\u003cp\u003eSM81-LC - With windscreen no cable. Phantom power required.\u003c\/p\u003e\r\n\u003cp\u003eThe SM81 is ruggedly constructed. It operates on phantom power and performs over a wide range of temperatures and humidity conditions. It is furnished with a swivel adapter attenuator-switch lock foam windscreen and case for carrying and storage. Other accessories are available.\u003c\/p\u003e\r\n\u003cp\u003eFeatures:\u003c\/p\u003e\r\n\u003cp\u003e•0 Hz to 20 kHz frequency response\u003cbr\u003e •Flat response curve for accurate reproduction of sound sources\u003cbr\u003e •Low noise and high output clipping level\u003cbr\u003e •Low distortion over a wide range of load impedances\u003cbr\u003e •Cardioid polar pattern uniform with frequency and symmetric about axis providing maximum rejection and minimum coloration of off-axis sounds\u003cbr\u003e •Low RF susceptibility\u003cbr\u003e •Selectable low-frequency response: flat 6 or 18 dB\/octave rolloff\u003cbr\u003e •0 dB\/10 dB lockable attenuator switch\u003cbr\u003e •Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)\u003cbr\u003e •Rugged steel construction for durability\u003cbr\u003e •Field-usable over wide range of temperature and humidity conditions\u003c\/p\u003e\r\n\u003cp\u003e\u003cb\u003eSPECIFICATIONS\u003c\/b\u003e\u003c\/p\u003e\r\n\u003cp\u003eSM81 Condenser Mic\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eType: Condenser (electret bias)\u003c\/li\u003e\r\n\u003cli\u003eFrequency Response: 20 to 20,000Hz\u003c\/li\u003e\r\n\u003cli\u003ePolar Pattern: Cardioid (unidirectional) response-uniform with frequency, symmetrical about axis\u003c\/li\u003e\r\n\u003cli\u003eOutput Impedance: Rated at 150? (85? actual)\u003c\/li\u003e\r\n\u003cli\u003eRecommended minimum load impedance: 800? (May be used with loads as low as 150? with reduced clipping level)\u003c\/li\u003e\r\n\u003cli\u003eOutput Configuration and Connector: Balanced, transformer-coupLED output; male XLR connector\u003c\/li\u003e\r\n\u003cli\u003eSensitivity (at 1,000Hz): Open Circuit Voltage: -45dBV\/Pascal (5.6 mV), (1 Pascal = 94dB SPL)\u003c\/li\u003e\r\n\u003cli\u003eClipping Level (at 1,000Hz): 800? Load: -4dBV (0.63 V), 150? Load: -15dBV (0.18 V)\u003c\/li\u003e\r\n\u003cli\u003eTotal Harmonic Distortion: Less than 0.5% (131dB SPL at 250Hz into 800? load)\u003c\/li\u003e\r\n\u003cli\u003eMaximum SPL: (at 1,000Hz): 800? load: 136dB (attenuator at 0) 146dB (attenuator at -10), 150? load: 128dB (attenuator at 0) 138dB (attenuator at -10)\u003c\/li\u003e\r\n\u003cli\u003eHum Pickup: -3dB equivalent SPL in a 1 mOe field (60Hz)\u003c\/li\u003e\r\n\u003cli\u003eSelf-Noise (equivalent sound pressure levels; measured with true rms voltmeter) 16dB typical, A-weighted, 19dB typical, weighted per DIN 45 405\u003c\/li\u003e\r\n\u003cli\u003eSignal-to-Noise Ratio: 78dB (IEC 651)* at 94dB SPL, *S\/N ratio is difference between 94dB SPL and product's equivalent self noise (SPL A-weighted)\u003c\/li\u003e\r\n\u003cli\u003eOvervoltage and Reverse Polarity Protection: Max. external voltage applied to pins 2 and 3 with respect to pin 1: +52 VDC, Reverse polarity protection: 200 mA max. (diode-clamped)\u003c\/li\u003e\r\n\u003cli\u003ePolarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3\u003c\/li\u003e\r\n\u003cli\u003eCartridge Capacitance: 54 pF\u003c\/li\u003e\r\n\u003cli\u003eLow Frequency Response Switch Positions: Flat; -6dB\/octave below 100Hz; -18dB\/octave below 80Hz\u003c\/li\u003e\r\n\u003cli\u003eAttenuator Switch Positions (Lockable): 0 or -10dB\u003c\/li\u003e\r\n\u003cli\u003ePower: Supply Voltage: 11 to 52 VDC, positive, pins 2 and 3, Current Drain: 1.2 mA max\u003c\/li\u003e\r\n\u003cli\u003eEnvironmental Conditions:\u003c\/li\u003e\r\n\u003cli\u003eTemperature:\u003c\/li\u003e\r\n\u003cli\u003eStorage: -29?\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Shure","offers":[{"title":"Default Title","offer_id":43895587274795,"sku":"SHU-SM81-LC","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/s-l1000__47467.1682436934.1280.1280.jpg?v=1775684868","url":"https:\/\/www.empirepro.com\/products\/shure-sm81-lc","provider":"Empire Pro","version":"1.0","type":"link"}