AV Equipment
Brand:
Parasound
Model:
A52Source:
http://www.parasound.com/
A 52 Five Channel Power Amplifier
Circuitry designed by legendary John Curl THX Ultra2 certified High bias Class A/AB operation Balanced inputs with discrete circuits and XLR connectors Direct Coupled - no capacitors or inductors in signal path Complementary MOSFET driver stage and JFET input stage 20 beta-matched 15 amp, 60 MHz bipolar output transistors 1.4 kVA encapsulated toroid power transformer with independent secondary windings for each channel 100,000 µF power supply filter capacitance DC Servo and relay protection circuits AC present, channel status, high temperature indicators Heavy-duty 24k gold-plated 5-way speaker terminals Gold-plated RCA input jacks; ground lift switch Auto turn-on by 12v trigger or audio signal, 12v trigger out 3u Chassis, carry handles, rack mounting adapter included Parasound 10 year parts, 5 years labor warranty
Continuous power output:
125 watts RMS x 5, 20 Hz - 20 kHz, 8 Ω, all channels driven
225 watts RMS x 5, 20 Hz - 20 kHz, 4 Ω, 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: balanced 16 V rms
< 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 Ω unbalanced; 94 k Ω 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 7-5/8" h x 19-3/4 " d, 5-1/4 " h without feet
Net weight: 50 lb.
Equipment 
