PARASOUND HALO A31 Three Channel Power Amplifier - Black
PARASOUND HALO A31 Three Channel Power Amplifier - Black PARASOUND HALO A31 Three Channel Power Amplifier - Black Internal View
PARASOUND HALO A31 Three Channel Power Amplifier - Black

$6,700.00

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Warranty Period: 3 years Sold as: Single Unit
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Overview

Details

The Parasound Halo A 31 was designed in response to increasing demand for a three-channel power amplifier that holds nothing back in power or performance. The A 31 is identical in performance and sound to the award- winning Halo A 51.

Features

Details

  • 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
  • 4u Chassis, carry handles
Specifications

Details

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 1kHz
  63 dB at 20kHz
Input Sensitivity 1 V for 28.28 V (THX Reference)
Input Impedance 47 k Ω unbalanced; 94 k Ω balanced
S/N Ratio 112 dB, Input Shorted, IHF A-weighted
Damping Factor 1100 at 20Hz
Dimensions 44cm w x 20cm h x 49cm d
Net Weight 30kg
Shipping Weight 36kg