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
Power Output – Both Channels Driven
400 watts x 2, 8 Ω
600 watts x 2, 4 ΩPower Output – Bridged Mode
1200 watts x 1, 8 Ω
Bridged 4 Ω operation is not recommendedPower 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 dBTotal Harmonic Distortion (THD)
< 0.05 % at full power
< 0.03 % at typical listening levelsIM Distortion: < 0.04 %
TIM: Unmeasurable
Inter-channel Crosstalk
> 87 dB at 1 kHz
> 72 dB at 20 kHzInput 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 legS/N Ratio
> 116 dB, input shorted, IHF A-weighted
> 111 dB, input shorted, unweightedDamping 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", 2UNet Weight: 73 lbs.
Shipping Weight: 90 lbs.
Power Requirement
Standby: 1 Watt
Idle (no music playing): 225 WattsTypical listening levels: 400 Watts
Maximum: 1500 Watts