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Parasound HCA-750A High Current Power Amplifier

AED 950

Yamen

8 items live

Item Details

Age

10+ years

Warranty

Does not apply

Condition

Almost no noticeable problems or flaws

Usage

Used an average amount, as frequently as would be expected

Posted on: 24th March 2026

Description

Up for grabs is a Parasound HCA-750A High Current Power Amplifier. It's in excellent condition, showing minimal signs of wear and has been used normally in a home audio setup. This amplifier is known for its solid performance and reliability, making it a great addition to any audio system.

It features:
- 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

Product Specifications:
- Age: 10+ years
- Condition: Excellent
- Warranty: Does not apply
- Usage: Normal Usage
- 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
- THD: < 0.06 % at full power; < 0.03 % typical levels
I- M 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
- SNR: 110 dB, full power, input shorted, IHF A-weighted
- Damping Factor: > 800 at 20 Hz