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Parasound A31 3 Channel Power Amplifer

$6,500.00 inc. GST

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SKU: N/A Category: Brand:

Description

  •  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, rack mounting adapter included

 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 Ω unbalanced; 94 k Ω 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: 65 lb.

        Shipping weight: 79 lb.

 

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