Parasound HCA-1500A

High Current Two Channel Power Amplifier

Yes, this cabinet has seen lots of wear, but this is amp has tons of power, and new caps installed.  Original box, packing, and manual (found on line) are not included.

Designed by John Curl

THX certified by Lucasfilm Ltd.

Independent power supplies for each channel

Massive 1 kVA toroid power transformer

60,000 湩 computer-grade capacitors in power supply

Multiple polystyrene film bypass capacitors in power supply

DC Trigger Auto On Feature

Cascoded Class A input stages with matched J-FET pairs

Handpicked complementary MOSFET transistors in high voltage driver stage

8 complementary pairs of 15 ampere 50 MHz output transistors

Output transistors direct-coupled to speakers without LRC networks

DC servo direct-coupled audio circuits with 0.8 Hz rolloff

High-bias Class A/AB operation

Gold-plated metal structure RCA input jacks

Gold-plated looping output jacks

Multiple temperature sensors and silver-cadmium relay protection

Glass epoxy circuit boards, double-sided for precision

Custom designed audiophile-grade AC power cord

Multiple Protection Circuits

SPECIFICATIONS:

Continuous Power Output - Stereo:
    205 Watts RMS x 2, 20 Hz-20 kHz, 8 Ω, both channels driven
    315 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven

Continuous Power Output - Mono:
    630 watts RMS, 20 Hz - 20 kHz, 8 Ω

Current Capacity:
    60 amperes peak per channel

Slew Rate:
    > 130 V/盜econd

Frequency Response:
    5 Hz - 100 kHz, +0/-3 dB at 1 watt

Total Harmonic Distortion:
    < 0.03% at full power; < 0.01 % typical levels

IM Distortion:
    < 0.03 %

TIM:
    unmeasurable

Dynamic Headroom:
    > 1.5 dB

Interchannel Crosstalk:
    > 80 dB at 1 kHz; > 60 dB at 20 kHz

Input Impedance:
    33 k Ω

Input Sensitivity:
    1 V for 28.28 V, THX Reference Level; 1.2 V for full output

S/N Ratio:
    > 110 dB, input shorted, IHF A-weighted

Damping Factor:
    > 800 at 20 Hz

Power Consumption:
    500 watts

Dimensions:
    w 19" x h 5 1/4" x d 16", h 5 7/8" with feet

Net Weight:
    40 lb

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