Parasound Halo A31- 3 Channel Power Amplifier (Black)

Name: Parasound Halo A31- 3 Channel Power Amplifier (Black)
Brand: AV Shack
SKU: 000av0359
Price: 502000.00 INR
Availability: InStock

Rs. 502,000.00

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Description

A 31 Three-Channel Power Amplifier

250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms

Adjustable gain for up to +6db over THX Reference level

Unbalanced RCA and balanced XLR inputs

Circuitry designed by legendary John Curl

High bias class A/AB operation

Direct coupled (no capacitors or inductors in signal path)

Complementary MOSFET driver stage and JFET input stage

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

1.5 kVA encapsulated toroid power transformer with independent secondary windings for each channel

98,400 µF power supply filter capacitance

DC Servo and relay protection circuits

AC present, channel status, high temperature indicators

Heavy-duty 24k gold-plated 5-way speaker terminals

THX Ultra2 certified

Auto turn-on by 12v trigger or audio signal

Additional Information

Specifications

Continuous power output
250 watts RMS x 3, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 3, 20 Hz - 20 kHz, 4 Ω, all channels driven

IM distortion
balanced 16 V rms
< 0.04 %

Input impedance
47 k Ω unbalanced; 94 k Ω balanced

Current capacity
60 amperes peak per channel

Slew rate
> 130 V/µsecond

S/N ratio
112 dB, input shorted, IHF A-weighted

Dynamic headroom
> 1.5 dB

Damping factor
> 1100 at 20 Hz

Power bandwidth
5 Hz - 100 kHz, +0/-3 dB at 1 watt

Interchannel crosstalk
> 78 dB at 1 kHz;
> 63 dB at 20 kHz

Dimensions
17-1/2" w x 7-5/8" h x 20" d, 7" h without feet

Total harmonic distortion
< 0.2 % at full power

Net weight
65 lb.

Shipping weight
79 lb.

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