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Category: Power Amplifiers

Parasound JC5 Halo - 2 Channel Stereo Power Amplifier (Black)

Key Features

  • High-current Class AB amplifier designed for refined, high-fidelity two-channel sound

  • Robust power delivery with ample headroom to drive a wide range of loudspeakers with authority and control

  • Balanced (XLR) and unbalanced (RCA) inputs for flexible connectivity to preamplifiers and source components

  • Independent gain controls per channel for precise matching and system tuning

  • Bridgeable mono mode for increased output when driving a single high-power channel

  • Dual high-capacity toroidal power transformers provide stable current reserves during dynamic peaks

  • Thermal and over-current protection circuitry for reliable, safe operation

  • Low distortion and noise floor for clear, natural, and detailed audio reproduction

  • Loop outputs for adding additional amplification or multi-room configurations

  • Solid metal chassis with black finish for durability and professional appearance

  • Front-panel metering and level controls for intuitive use and monitoring

Description

JC 5 Stereo Power Amplifier

  • 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

 

Specifications

Power Output
Both Channels Driven
400 watts x 2, 8 Ω
600 watts x 2, 4 Ω
IM Distortion
< 0.04 %
DC Trigger Requirements
+9 Vdc to +12 Vdc, 5 mA
Power Output
Bridged Mode
1200 watts x 1, 8 Ω
Bridged 4 Ω operation is not recommended
TIM
Unmeasurable
Audio Trigger Requirements
2 mV – 10 mV
Power measurement parameters are at 120 VAC
0.05% THD, RMS continuous power,
full audio band (20 Hz – 20 kHz)
Inter-channel Crosstalk
> 87 dB at 1 kHz
> 72 dB at 20 kHz
XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return)
Current Capacity
90 amps peak, per channel
Input Impedance
Unbalanced: 33 kΩ
Balanced: 66 kΩ,(33 kΩ per leg)
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)
Slew Rate
> 130 volts per microsecond
Total Gain
29 dB
Frequency Response
5 Hz – 100 kHz, +0/-3 dB
20 Hz – 20 kHz, +0/-0.25 dB
Input Sensitivity for 28.28 V Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg
Net Weight
73 lb. (33.1 kg)
Total Harmonic Distortion (THD)
< 0.05 % at full power
< 0.03 % at typical listening levels
S/N Ratio
> 116 dB, input shorted, IHF A-weighted
> 111 dB, input shorted, unweighted
Shipping Weight
90 lb. (40.8 kg)
Damping Factor
1000 at 20 Hz
Power Requirement
Standby: 1 Watt
Idle (no music playing): 225 Watts
Typical listening levels: 400 Watts
Maximum: 1500 Watts

 

Customer Reviews

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