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Parasound JC-1


  • Premier monaural amplifier
  • Circuitry designed by legendary John Curl and CTC Builder
  • Ultra-high bias Class A/AB operation
  • Exclusive two position bias level adjustment
  • Balanced inputs with discrete circuits and XLR connectors
  • Vampire Direct gold-plated OFC RCA input
  • Dual heavy-duty 24k gold-plated 5-way speaker binding posts
  • Direct Coupled - no capacitors or inductors in signal path
  • Complementary MOSFET driver stage and JFET input stage
  • 18 beta-matched 15 amp, 60 MHz bipolar output transistors
  • 1.9 kVA encapsulated toroid power transformer
  • Independent power supplies for input, driver and output stages
  • 18,000 μF filters for driver stage
  • 132,000 µF Nichicon Gold Tune filters for output stage
  • DC Servo and relay protection circuits
  • REL and Nichicon Muse capacitors
  • Harris hyper-fast soft recovery diodes for all bridge rectifiers
  • Auto turn-on by 12v trigger or audio signal trigger
  • Ground lift switch , adjustable turn-on delay
  • 4u Chassis with rear carry handles, rack mounting kit included
  • Premium detachable AWG 12 power cord with silver solder
  • THX Ultra2 certified

Continuous power output, 20Hz - 20 kHz:
400 watts RMS x 1, 8 Ω
800 watts RMS x 1, 4 Ω
1200 watts RMS x 1, 2 Ω
Class A power output, 20Hz - 20 kHz:
25 watts, bias set to high, 8 Ω
10 watts, bias set to low, 8 Ω
Current capacity:
135 amperes peak
Power bandwidth:
2 Hz - 120 kHz, +0/-3 dB at 1 watt
Total harmonic distortion:
< 0.15 % at full power
IM distortion: balanced 16 V rms
< 0.03 %
Slew rate:
> 130 V/µsecond
Dynamic headroom:
> 1.8 dB
Input sensitivity:
1 V for 28.28 V, THX Reference Level
Input impedance:
100 k Ω
S/N ratio:
>120 dB, IHF A-weighted, bias set to high 
>122 dB, IHF A-weighted, bias set to low
Damping factor:
> 1200 at 20 Hz
Power Requirement :
250 watts idle 1280 watts full power into 4 Ω
DC trigger output capacity :
+12 Vdc, 150 mA
Dimensions:
17-1/4" w x 7-5/8" h x 20 " d, 7 " h without feet
Net weight: 64 lb.