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Parasound HCA750A Rack mount with feet - $175 (Derry/Manchester area)
condition:
excellent
make / manufacturer:
Parasound
model name / number:
HCA750A
size / dimensions:
17 1/4" x 3 1/2" x 4 1/8
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Direct Coupled -- no capacitors or inductors in signal path
Input stage uses hand matched complementary JFETs
8 beta-matched 15 amp, 50 MHz bipolar output transistors
500 VA Toroid power transformer with independent secondary windings for each channel, 28,000 µF power supply filter capacitance
Independent power supplies for each channel
DC Servo and relay protection circuits
High bias Class A/AB operation
AC present, standby/normal, current overload indicators
Tiffany-style RCA input jacks, loop output jacks
12 volt DC automatic turn-on circuitry
Gold-plated 5 way speaker binding posts
Custom designed removable IEC AC cord
Rear mounted gain controls; ground lift switch
2 rack space height front panel
Continuous Power Output - Stereo:
75 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, both channels driven;
125 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven
Continuous Power Output - Mono:
250 watts RMS, 20 Hz - 20 kHz, 8 Ω
Current Capacity:
20 amperes peak per channel
Slew Rate:
> 130 V/µsecond
Power Bandwith:
5 Hz - 100 kHz, +0/-3 dB at 1 watt
Total Harmonic Distortion:
< 0.06 % at full power; < 0.03 % typical levels
IM Distortion:
< 0.04 %
TIM:
unmeasurable
Dynamic Headroom:
> 1.5 dB
Interchannel Crosstalk:
> 80 dB at 1 kHz;
> 63 dB at 20 kHz
Input Sensitivity:
0.775V for full output
Input Impedance:
33 k Ω
S/N Ratio:
> 110 dB, full power, input shorted, IHF A-weighted
Damping Factor:
> 800 at 20 Hz
Power Consumption:
240 watts