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Main page » "SECOND LIFE" Products » Parasound HALO A23, THX Certified Stereo Power Amplifier [USED]


















Parasound HALO A23, THX Certified Stereo Power Amplifier [USED]
Parasound HALO A23, THX Certified Stereo Power Amplifier.
[USED Product, Good Condition, OVP, Finish: Black]
Features:
- Circuitry designed by legendary John Curl
- Lucasfilm Home 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
- 12 beta-matched 15 amp, 60 MHz bipolar output transistors
- 1 kVA encapsulated toroid power transformer with independent
secondary windings for each channel - 40,000 μF power supply filter capacitance
- DC Servo and relay protection circuits
- AC present, channel status, high temperature displays
- Heavy-duty 24k gold-plated 5-way speaker binding posts
- Gold-plated RCA input jacks; loop output jacks
- Auto turn-on by 12v trigger or audio signal
- Rear mounted gain controls, ground lift switch
Specifications:
Continuous power output:
125 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, both channels driven
225 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven
400 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω
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: balanced 16 V rms
< 0.04 %
Slew rate:
> 130 V/µsecond
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 k Ω
S/N ratio:
112 dB, input shorted, IHF A-weighted
Damping factor:
> 800 at 20 Hz
Voltage:
Switchable for 110V - 120V or 220V - 240V
Dimensions:
17-1/4" w x 4-1/8" h x 13-1/4" d, 3-5/8 " h without feet
Net weight: 28 lb.
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