Changes from the JC 1 → JC 1+

  • 400 → 450 Watts @ 8Ω
  • 800 → 850 Watts @ 4Ω
  • 1200 → 1300 Watts @ 2Ω
  • Filter capacitance: 132,000 → 198,000 uF
  • Transformer capacity: 1.9 → 2.1 kVA
  • Output transistors: 18 → 24 Sanken 60Mz devices
  • Peak current: 135 → 180 amps
  • Weight: 64 → 83 lbs net
  • Bybee Music Rails™ active high frequency noise filters
  • John Curl driver stage employs a new cascode circuit design
  • FR-408 input circuit board material improves HF signal integrity
  • Gain switch to select 29 dB or 23 dB of gain
  • R-core power transformer for input stage
  • Input circuit board is shielded
  • Double thickness copper on output/power supply circuit boards
  • Gold-plated internal audio signal path connectors
  • Custom CHK Infinium speaker binding posts
  • Looping Neutrik XLR output for easier bi-amping
  • Front panel power indicator LED
  • Updated auto turn on circuits with 3.5mm 12V trigger jacks

 

 

All Features

  • Circuitry designed by legendary John Curl
  • Ultra-high bias Class A/AB operation
  • 25 watts of pure Class A power
  • Stable with speaker impedance dips below 1Ω
  • Bybee Music Rails™ - active high frequency filters for input stage
  • New John Curl driver stage employs a cascode circuit for greater open loop bandwidth & superior linearity
  • Gain switch to select 29 dB or 23 dB gain for optimum compatibility with high gain preamps or extremely efficient speakers
  • R-core transformer for input stage suppresses noise on power line
  • 6 massive 33,000 uF Nichicon Gold Tune filter capacitors for output stage
  • 22,400 uF input stage power supply filter capacitors, independent of the main power supply
  • Dual CHK Infinium, custom 5-way speaker binding posts for easy bi-wiring
  • Neutrik locking XLR balanced input & loop output jacks
  • Vampire 24k gold-plated RCA input & loop output jacks
  • Direct-coupled signal path, no capacitors or inductors in the audio path
  • JFET input stage, MOSFET driver stage
  • 24 beta-matched 15 ampere, 230V, 60 MHz bipolar output transistors
  • 2.1 kVA shielded toroid power transformer with premium H18 grade core
  • Independent power supplies for input stage, driver stage & output stage
  • Full power is rated all the way down to 2Hz for unrestricted low-end bass
  • Harris hyper-fast soft-recovery bridge diode rectifiers
  • REL & Nichicon Muse capacitors
  • DC servo & relay protection circuits
  • AC turn-on inrush surge protection with relay bypass
  • 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 JC 1+ Mono Power Amplifier - Each

C$13,000.00Price
  • Power Output 
      450 x1 watts @ 8 Ω

      850 x1 watts @ 4 Ω

      1300 x1 watts @ 2 Ω  

       

    Power measurements are with 120 VAC: 
      0.15% THD, RMS continuous power, 
      full audio band (20 Hz - 20 kHz)

     

    Class A Power Output 
      25 Watts, bias switch set to high 
      10 Watts, bias switch set to low

     

    Current Capacity 
      180 amps, peak

     

    Slew Rate > 130 volts per microsecond

     

    Frequency Response 
      2 Hz - 120 kHz, +0/-2 dB 
      20 Hz - 20 kHz, +0/-0.25 dB

     

    Total Harmonic Distortion (THD) 
      < 0.15 % at full power 
      < 0.02 % at typical listening levels

     

    IM Distortion 
      < 0.03 %

     

    TIM 
      Unmeasurable

     

    Damping Factor 
      > 1200 at 20 Hz

     

    Input Impedance 
      Unbalanced: 50 kΩ 
      Balanced: 100 kΩ, (50 kΩ per leg)

     

    S/N Ratio, inputs shorted 
      >122 dB, IHF A-weighted, bias set to Low 
      >120 dB, IHF A-weighted, bias set to High 
      >113 dB, Unweighted, bias set to Low 
      >111 dB, Unweighted, bias set to High

     

    Total Gain 
      29 dB (Gain switch set to normal) 
      23 dB (Gain switch set to low)

     

    Input Sensitivity for 28.28 V Output into 8 Ω 
      Unbalanced: 1 V 
      Balanced: 1 V per leg 
      (Gain switch set to normal)

     

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

     

    Audio Trigger Requirement 
      2.5 mV - 10 mV

     

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

     

    Dimensions 
      Height without feet: 7-1/8" (181 mm) 
      Height with feet: 7-3/4" (197 mm) 
      Depth: 20" (508 mm) 
      Depth with cables: 21-1/2" (546 mm)

     

    Shipping Carton Dimensions 
      Width: 29-1/2" (750 mm) 
      Depth: 27-1/2" (700 mm) 
      Height: 15-3/4" (400 mm)

     

    Net Weight 
      83 lb. (37.6 kg)

     

    Shipping Weight 
      107 lb. (48.5 kg)

     

    Power Requirement 
      Standby: <1 Watt 
      Idle (bias set to low): 145 Watts 
      Idle (bias set to high): 275 Watts 
      Typical Listening levels: 400 Watts   
      Maximum: 1500 Watts