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Parasound Halo A31 3-Channel Power Amplifier
Parasound Halo A31 3-Channel Power Amplifier
Parasound Halo A31 3-Channel Power Amplifier

Parasound Halo A31 3-Channel Power Amplifier

Vendor

Parasound

Type

Multichannel Power Amplifier

SKU

PARA27

This product is available.
Quantity must be 1 or more
Regular price
$6,995.00
Sale price
$6,995.00

Parasound A31


A 3 x 250W THX Ultra2 with high bias Class A/AB power amplifier.

Features


    • Circuitry designed by legendary John Curl

    • 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

    • 16 beta-matched 15 amp, 60 MHz bipolar output transistors

    • 1.2 kVA encapsulated toroid power transformer with independent

    • secondary windings for each channel

    • 100,000 ?F 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

    • Gold-plated RCA input jacks; ground lift switch

    • Auto turn-on by 12v trigger or audio signal, 12v trigger out
      4u Chassis, carry handles, rack mounting adapter included


Specification


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

Current capacity:
60 amperes peak per channel

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

Total harmonic distortion:
< 0.2 % at full power

IM distortion: balanced 16 V rms
< 0.04 %

Slew rate:
> 130 V/µsecond

Dynamic headroom:
> 1.5 dB

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

Input sensitivity:
1 V for 28.28 V (THX Reference)

Input impedance:
47 k &ohm; unbalanced; 94 k &ohm; balanced

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

Damping factor:
> 1100 at 20 Hz

Dimensions:
17-1/4" w x 7-5/8" h x 19-1/8" d, 7" h without feet

Net weight:  30kgs

Shipping weight: 36 kgs