Parasound JC5

Product Highlights:

• Power Output:

  • 400 watts x 2 channels at 8 ohms (RMS, both channels driven)
  • 600 watts x 2 channels at 4 ohms (RMS, both channels driven)
  • 1200 watts x 1 channel at 8 ohms in bridged mode
  • Power measured at 120 VAC with 0.05% THD, RMS continuous power across the full audio band (20 Hz - 20 kHz)

• Circuit Design:

  • Designed by the legendary John Curl for exceptional audio performance
  • Ultra-high bias Class A/AB operation with 12 watts per channel of pure Class A power
  • Direct-coupled signal path with no capacitors or inductors for the purest signal flow
  • Dual-mono input stages with ±110 volt DC rails for enhanced stereo separation and detail

• Current and Stability:

  • Delivers an impressive 90 amperes of peak current per channel, ensuring ample power for demanding audio setups
  • Stable with speaker impedance dips as low as 1.5 ohms, providing versatility with a wide range of speaker systems

• Inputs and Connectivity:

  • Balanced inputs with discrete circuits for superior noise rejection
  • Neutrik locking XLR input connectors for secure, high-quality connections
  • Vampire gold-plated RCA input and loop output jacks for pristine signal transmission
  • CHK Infinium custom 5-way speaker binding posts for reliable and versatile speaker connections

• Power Supply and Components:

  • 1.7 kVA shielded toroid power transformer with independent windings for each channel
  • Independent power supplies for left and right channel input stages, driver stages, and output stages to minimize interference
  • 8,880 µF Nichicon Gold Tune filter capacitors for the input stages and 132,000 µF Rubycon filter capacitors for the output stages ensure clean and stable power delivery

• Advanced Protection and Convenience:

  • DC Servo and relay protection circuits safeguard your components from potential damage
  • AC turn-on inrush surge protection with relay bypass prevents power surges during startup
  • Harris hyper-fast soft-recovery bridge diode rectifiers for efficient power management
  • Automatic turn-on via 12V trigger or audio sensing for seamless integration into your home audio system

• Build and Design:

  • 4U rack space chassis with rear carry handles for easy installation and portability
  • Rack mount hardware is included for professional setups
  • Available in a choice of silver or black finishes to match your system aesthetics

• Specifications:

  • Slew Rate: Greater than 130 volts per microsecond for precise and responsive audio reproduction
  • Frequency Response: 5 Hz - 100 kHz, +0/-3 dB; 20 Hz - 20 kHz, +0/-0.25 dB for detailed and accurate sound
  • Total Harmonic Distortion (THD): Less than 0.05% at full power, less than 0.03% at typical listening levels
  • Intermodulation (IM) Distortion: Less than 0.04%
  • Transient Intermodulation Distortion (TIM): Unmeasurable, ensuring the clearest audio output
  • Inter-channel Crosstalk: Greater than 87 dB at 1 kHz, greater than 72 dB at 20 kHz for excellent channel separation

• Input and Output:

  • Input Impedance: Unbalanced: 33k ohms; Balanced: 66k ohms (33k ohms per leg)
  • Input Sensitivity for 28.28V Output into 8 ohms: Unbalanced: 1V; Balanced: 1V per leg
  • Total Gain: 29 dB
  • Damping Factor: 1000 at 20 Hz for tight control over speaker movement
  • XLR Pin Identification: 1 = Ground (Shield), 2 = Positive, 3 = Negative (Return)

• Trigger Requirements:

  • DC Trigger: +9 VDC to +12 VDC, 5 mA
  • Audio Trigger: 2 mV - 10 mV

• 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)

• Weight:

  • Net Weight: 73 lb. (33.1 kg)
  • Shipping Weight: 90 lb. (40.8 kg)

• Power Requirements:

  • Standby: 1 watt
  • Idle (no music playing): 225 watts
  • Typical Listening Levels: 400 watts
  • Maximum Power Consumption: 1500 watts