{"product_id":"rdl-fp-pa20b","title":"RDL FP-PA20B","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\r\n\u003cp\u003eThe FP-PA20B features a balanced line level input that may be connected unbalanced. A front panel gain control is designed to be adjusted either manually or with a trimming screwdriver. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. A 25 V amplified output is provided to drive corresponding speakers in a distributed sound system. Audio levels that could cause the amplified output to clip are compressed using two dynamic time constants designed to preserve aural transparency. Normal audio level signals remain unaffected by the compressor thereby preserving audio dynamics and preventing the compressor from increasing feedback potential when the amplifier is used for paging. The FP-PA20B produces average audio levels and audio clarity normally expected of amplifiers delivering much higher output power.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e20 Watts RMS Constant Voltage Amplifier\u003c\/li\u003e\r\n\u003cli\u003e25 V Output\u003c\/li\u003e\r\n\u003cli\u003eIntegral Audio Compressor to Control Clipping\u003c\/li\u003e\r\n\u003cli\u003eHigh Overall Operating Audio Level\u003c\/li\u003e\r\n\u003cli\u003eMaximized Audio Level for Output Power\u003c\/li\u003e\r\n\u003cli\u003eAudio Quality Superior to Standard Amplifiers\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003ctable class=\"table1\"\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eInput\u003c\/td\u003e\r\n\u003ctd\u003eLine level (+4 dBu bal; -10 dBV unbal)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\r\n\u003ctd\u003e20 k? balanced bridging; 10 k? unbal\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eInput \/ Output Connector\u003c\/td\u003e\r\n\u003ctd\u003ePlug-in terminal block\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eGain Adjustment\u003c\/td\u003e\r\n\u003ctd\u003eSingle turn audio taper\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMinimum Input Levels\u003c\/td\u003e\r\n\u003ctd\u003eBalanced: -26 dBu (to cross compressor threshold)\u003cbr\u003eUnbalanced: -28 dBV (to cross compressor threshold)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMaximum Input Levels\u003c\/td\u003e\r\n\u003ctd\u003eBalanced: +23 dBu\u003cbr\u003eUnbalanced: +15 dBV\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\r\n\u003ctd\u003e50 Hz to 18 kHz (± 3 dB)*\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTHD+N:\u003cbr\u003e*measured at compressor threshold level equaling 4 W RMS output power.\r\n\u003cdiv class=\"spec_spacer\"\u003e \u003c\/div\u003e\r\n\u003cdiv class=\"specifications\"\u003e\u0026lt; 0.1% (@ 1 kHz)*\u003cbr\u003e\u0026lt; 0.5% (50 Hz to 20 kHz)*\u003c\/div\u003e\r\n\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eNoise\u003c\/td\u003e\r\n\u003ctd\u003e\u0026lt; -80 dB (below 20 W RMS)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCompressor\u003c\/td\u003e\r\n\u003ctd\u003eThreshold 6 dB below rated output, automatic adjusting attack and release\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCMRR\u003c\/td\u003e\r\n\u003ctd\u003e\u0026gt; 55 dB (50 Hz to 120 Hz)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOutput Power\u003c\/td\u003e\r\n\u003ctd\u003e20 W RMS @ 25 V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eAmbient Operating Environment\u003c\/td\u003e\r\n\u003ctd\u003e0° C to 30° C Max; 20° C Recommended\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eIndicators (2)\u003c\/td\u003e\r\n\u003ctd\u003eRed LED: PEAK LED indicates compressor activity\u003cbr\u003eGreen LED: Power ON\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\r\n\u003ctd\u003e24 Vdc @ 1650 mA, Ground referenced(for continuous RMS power output)\u003cbr\u003e24 Vdc @ 1000 mA, Ground referenced (for normal uncompressed audio)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOverall Dimensions\u003c\/td\u003e\r\n\u003ctd\u003eHeight: 2.3 in. (5.85 cm); Width: 3.25 in. (8.26 cm); Length: 6 in. (15.3 cm)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePackage Type\u003c\/td\u003e\r\n\u003ctd\u003eCardboard Box\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\r\n\u003ctd\u003e4.375 x 7 x 2.25 in.\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\r\n\u003ctd\u003e2.41 lbs.\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\r\n\u003ctd\u003e2.195 lbs.\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTariff code\u003c\/td\u003e\r\n\u003ctd\u003e8518.50.0000\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":43895089725483,"sku":"RDL-FP-PA20B","price":198.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-fp-pa20b-2__23206.1682435996.1280.1280.jpg?v=1775683945","url":"https:\/\/www.empirepro.com\/products\/rdl-fp-pa20b","provider":"Empire Pro","version":"1.0","type":"link"}