Features 

  • 400 watts x 2 @ 8 Ω RMS, both channels driven
  • 600 watts x 2 @ 4 Ω RMS, both channels driven
  • 1200 watts x 1@ 8 Ω, in bridged mode
  • Circuitry designed by legendary John Curl
  • Ultra-high bias Class A/AB operation
  • 12 watts per channel of pure Class A power
  • 90 amperes peak current per channel
  • Stable with speaker impedance dips to 1.5 Ω
  • Balanced inputs with discrete circuits
  • CHK Infinium, custom 5-way speaker binding posts
  • Neutrik locking XLR input connectors
  • Vampire gold-plated RCA input & loop output jacks
  • Direct-coupled signal path, no capacitors or inductors
  • DC Servo and relay protection circuits
  • AC turn-on inrush surge protection with relay bypass
  • Dual-mono input stages with ±110 volt DC rails
  • JFET input stage, MOSFET driver stage
  • 24 beta-matched 15 ampere, 60 MHz bipolar output transistors
  • 1.7 kVA shielded toroid power transformer with independent windings for each channel
  • Independent power supplies for left & right channel input stages, driver stages, output stages
  • 8,880 µF Nichicon Gold Tune filter capacitors for input stages
  • 132,000 µF Rubycon filter capacitors for output stages
  • Full power is rated all the way down to 5Hz for unrestricted low-end bass
  • Harris hyper-fast soft-recovery bridge diode rectifiers
  • Automatic turn-on by 12 V trigger or audio sensing
  • 4 rack space chassis with rear carry handles
  • Rack mount hardware is included
  • Available in silver or black

Parasound Halo JC5 Stereo Power Amplifier by John Curl

C$8,500.00Price
  • Power Output – Both Channels Driven
       400 watts x 2, 8 Ω
       600 watts x 2, 4 Ω

     

    Power Output – Bridged Mode
       1200 watts x 1, 8 Ω
       Bridged 4 Ω operation is not recommended

     

    Power measurement parameters are at 120 VAC:
        0.05% THD, RMS continuous power,
       full audio band (20 Hz - 20 kHz)

     

    Current Capacity: 90 amps peak, per channel 

     

    Slew Rate: > 130 volts per microsecond

     

    Frequency Response
       5 Hz - 100 kHz, +0/-3 dB
       20 Hz - 20 kHz, +0/-0.25 dB

     

    Total Harmonic Distortion (THD)
       < 0.05 % at full power
       < 0.03 % at typical listening levels

     

    IM Distortion: < 0.04 %

     

    TIM: Unmeasurable

     

    Inter-channel Crosstalk
       > 87 dB at 1 kHz
       > 72 dB at 20 kHz

     

    Input Impedance
       Unbalanced: 33 kΩ
       Balanced: 66 kΩ,(33 kΩ per leg)

     

    Total Gain: 29 dB

     

    Input Sensitivity for 28.28 V Output into 8 Ω
       Unbalanced: 1 V
       Balanced: 1 V per leg

     

    S/N Ratio
       > 116 dB, input shorted, IHF A-weighted
       > 111 dB, input shorted, unweighted

     

    Damping Factor: 1000 at 20 Hz

     

    DC Trigger Requirements: +9 Vdc to +12 Vdc, 5 mA

     

    Audio Trigger Requirements: 2 mV - 10 mV

     

    XLR Pin Identification
       1 = Ground (Shield)
       2 = Positive
       3 = Negative (Return)

     

    Dimensions
    Width: 17-5/8"
    Depth: 20"
    Depth with cables: 21-1/2"

    Height with feet: 7-3/4" 
    Height without feet: 7-1/8", 2U

    Net Weight: 73 lbs. 

    Shipping Weight: 90 lbs. 

     

    Power Requirement
    Standby: 1 Watt
    Idle (no music playing): 225 Watts

    Typical listening levels: 400 Watts

    Maximum: 1500 Watts