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Cutting Edge Electronics since 1982
phone 918-495-0586
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Click for JC 5 Brochure JC 5 Stereo Power Amplifier by John Curl

Model # JC5

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  • 400 watts x 2 @ 8 RMS, both channels driven
  • 600 watts x 2 @ 4 RMS, both channels driven
  • 1200 watts x 1@ 8 , 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
  • 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 F Nichicon Gold Tune filter capacitors for input stages
  • 132,000 F 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

Power Output - Both Channels Driven 400 watts x 2, 8
600 watts x 2, 4
Power Output - Bridged Mode 1200 watts x 1, 8
Bridged 4 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 k
Balanced: 66 k ,(33 k per leg)
Total Gain 29 dB
Input Sensitivity for 28.28 V Output into 8 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" (448 mm)
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)
Net Weight 73 lb. (33.1 kg)
Shipping Weight 90 lb. (40.8 kg)
Power Requirement Standby: 1 Watt
Idle (no music playing): 225 Watts
Typical listening levels: 400 Watts
Maximum: 1500 Watts

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Electronics can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

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