Preloved Parasound HALO A23

2 Channel Power AmplifierSKU: PreL-PS-A23-RUM

Price:
$1,990

Description

Circuitry designed by legendary John Curl
Lucasfilm Home THX Ultra 2 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

12 beta-matched 15 amp, 60 MHz bipolar output transistors

785 VA encapsulated toroid power transformer with

independent secondary windings for each channel

48,000
mF power supply filter capacitance
DC Servo and relay protection circuits

AC present, channel status, high temperature displays

Gold-plated RCA input jacks, loop output jacks

Auto turn-on by 12v trigger or audio signal

Heavy-duty 24k gold-plated 5-way speaker binding posts

Rear mounted gain controls, ground lift switch

Continuous power output:

125 watts RMS x 2, 20 Hz - 20 kHz, 8W, both channels driven
200 watts RMS x 2, 20 Hz - 20 kHz, 4W, both channels driven
400 watts RMS x 1, 20 Hz - 20 kHz, 8W

Current capacity: 45 amperes peak per channel
Power bandwidth: 5 Hz - 100 kHz, +0/-3 dB at 1 watt
Total harmonic distortion: < 0.06 % at full power
IM distortion: < 0.04 %
Slew rate: >130 V/msecond
Dynamic headroom: > 1.5 dB
Interchannel crosstalk: > 80 dB at 1 kHz; > 63 dB at 20 kHz
Input sensitivity: 1 V for 28.28 V, THX Reference Level
Input impedance: 33 kW
S/N ratio: > 112 dB, input shorted, IHF A-weighted
Damping factor: > 800 at 20 Hz
Voltage: Switchable for 110V – 120V or 220V – 240V operation
Dimensions: 17-1/4” w x 4-1/8” h x 13-1/4” d, 3-5/8” h without feet
Net weight: 28 lbs.

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