{"product_id":"parasound-a21-power-amplifier-silver","title":"Parasound A21 Power Amplifier - Silver","description":"\u003cp\u003eHere we have a high quality power amplifier from US company Parasound. Our example of the A21 is in good fully working condition with a few blemishes to the front panel - please see photographs. It will be professionally packaged along with mains cable, reprinted manual and our regular three month warranty.\u003cbr\u003e\nParasound Say….\u003cbr\u003e\nParasound's mission is to put great sound into stunning packages, priced significantly lower than our competitors. The results are clear: our products win best-in-class awards in the most popular audio publications worldwide year after year. Our unique approach to designing and manufacturing comes from decades-long relationships with our trusted partners working hand in hand with our talented, in-house staff.\u003cbr\u003e\nHalo is our premier line. Halo products have a reputation for going head-to-head with some of the most expensive reference equipment on the market while costing a fraction of the price. The sheer quantity of rave reviews and honours is unmatched and without precedent. In fact, many of Parasound's Halo products are Stereophile Class A Recommended Components.\u003cbr\u003e\nFeatures:\u003cbr\u003e\nCircuitry designed by legendary John Curl\u003cbr\u003e\nTHX Ultra2 certified\u003cbr\u003e\nHigh bias Class A\/AB operation\u003cbr\u003e\nBalanced inputs with discrete circuits and XLR connectors\u003cbr\u003e\nDirect Coupled - no capacitors or inductors in signal path\u003cbr\u003e\nComplementary MOSFET driver stage and JFET input stage\u003cbr\u003e\n16 beta-matched 15 amp, 60 MHz bipolar output transistors\u003cbr\u003e\n1.2 kVA encapsulated toroid power transformer with independent secondary windings for each channel\u003cbr\u003e\n88,000 µF power supply filter capacitance\u003cbr\u003e\nDC Servo and relay protection circuits\u003cbr\u003e\nAC present, channel status, high temperature indicators\u003cbr\u003e\nHeavy-duty 24k gold-plated 5-way speaker terminals\u003cbr\u003e\nGold-plated RCA input jacks; ground lift switch\u003cbr\u003e\nAuto turn-on by 12v trigger or audio signal, 12v trigger out\u003cbr\u003e\n4u Chassis, carry handles, rack mounting adapter included\u003cbr\u003e\nSpecifications:\u003cbr\u003e\nPower Output: Stereo: 250 watts RMS, continuous, 20 Hz - 20 kHz, 8 Ω; Mono: 750 watts RMS, 20 Hz - 20 kHz, 8 Ω\u003cbr\u003e\nCurrent Capacity: 60 amps peak per channel\u003cbr\u003e\nSlew Rate: \u0026gt; 130 volts per microsecond\u003cbr\u003e\nFrequency Response: 5 Hz - 100 kHz, +0\/-3 dB at 1 watt\u003cbr\u003e\nTotal Harmonic Distortion: \u0026lt; 0.2 % at full power; \u0026lt; 0.03 % at typical listening levels\u003cbr\u003e\nIM Distortion: \u0026lt; 0.04 %\u003cbr\u003e\nDynamic Headroom: \u0026gt; 1.5 dB\u003cbr\u003e\nInter-channel Crosstalk: \u0026gt; 80 dB at 1 kHz; \u0026gt; 63 dB at 20 kHz\u003cbr\u003e\nInput Impedance: Unbalanced: 33 kΩ; Balanced: 66 kΩ\u003cbr\u003e\nInput Sensitivity for 28.28 V Output into 8 Ω: Unbalanced: 1 V; Balanced: 1 V per leg\u003cbr\u003e\nS\/N Ratio: \u0026gt; 112 dB, input shorted, IHF A-weighted; \u0026gt; 102 dB, input shorted, unweighted\u003cbr\u003e\nDamping Factor: \u0026gt; 1100 at 20 Hz\u003cbr\u003e\nPower Requirement: Standby: 25 Watts; Full Power into 4 Ω: 1500 Watts\u003cbr\u003e\nDimensions: 445 (W) x 485 (D) x 194 (H) mm\u003cbr\u003e\nWeight: 27.3 kg\u003c\/p\u003e","brand":"2ndhandhifi","offers":[{"title":"Default Title","offer_id":50986501701973,"sku":"3608","price":1500.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/1094\/5365\/files\/IMG_4368-scaled.jpg?v=1750872534","url":"https:\/\/2ndhandhifi.co.uk\/products\/parasound-a21-power-amplifier-silver","provider":"2ndhandhifi.co.uk","version":"1.0","type":"link"}