A 52 Features:
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Circuitry designed by legendary John Curl |
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THX Ultra2 certified |
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High bias Class A/AB operation |
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Balanced inputs with discrete circuits and XLR connectors |
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Direct Coupled - no capacitors or inductors in signal path |
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Complementary MOSFET driver stage and JFET input stage |
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20 beta-matched 15 amp, 60 MHz bipolar output transistors |
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1.4 kVA encapsulated toroid power transformer with |
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independent secondary windings for each channel |
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100,000 µF power supply filter capacitance |
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DC Servo and relay protection circuits |
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AC present, channel status, high temperature indicators |
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Heavy-duty 24k gold-plated 5-way speaker terminals |
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Gold-plated RCA input jacks; ground lift switch |
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Auto turn-on by 12v trigger or audio signal, 12v trigger out |
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3u Chassis, carry handles, rack mounting adapter available |
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Parasound’s 10 years parts, 5 years labor warranty |
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A 52 Specs:
| Continuous power output: |
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125 watts RMS x 5, 20 Hz - 20 kHz, 8 W, all channels driven |
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225 watts RMS x 5, 20 Hz - 20 kHz, 4 W, all channels driven |
| Current capacity: 30 amperes peak per channel |
| Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt |
| Total harmonic distortion: < 0.2 % at full power |
| IM distortion: < 0.04 % |
| Slew rate: > 130 V/µsecond |
| Dynamic headroom: > 1.5 dB |
| Interchannel crosstalk: > 78 dB at 1 kHz; > 63 dB at 20 kHz |
| Input sensitivity: 1 V for 28.28 V, THX Reference Level |
| Input impedance: 47 k W unbalanced; 94 k W balanced |
| S/N ratio: > 113 dB, input shorted, IHF A-weighted |
| Damping factor: > 1000 at 20 Hz |
| Voltage: 110V – 120V |
| Dimensions: 17-1/4" w x 5-7/8" h x 19-3/4" d, 5-1/4" h without feet |
| Net weight: 50 lbs. |
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