Features

  • Circuitry designed by legendary John Curl
  • 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
  • 40 beta-matched 15 amp, 60 MHz bipolar output transistors
  • 2.2 kVA encapsulated toroid power transformer with independent
      secondary windings for each channel
  • 164,000 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
  • Gold-plated RCA input jacks; ground lift switch
  • Auto turn-on by 12v trigger or audio signal
  • 4u Chassis, carry handles, rack mounting adapter included

Parasound Halo A51 5 Channel Power Amplifier

C$6,800.00Price
  • Continuous power output:
       250 watts RMS x 5, 20 Hz - 20 kHz, 8 Ω, all channels driven
       400 watts RMS x 5, 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 Lev

     

    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

     

    Voltage: 110V - 120V

     

    Dimensions: 17-1/2"W x 7-5/8"H x 20"D, 7"H without feet

     

    Net weight: 80 lbs