Product Description

JC1+ by Parasound

JC1+ by John Curl and Parasound

The Halo JC 1+ is an uncompromising mono power amplifier that sets new standards in power and fidelity. With 450 watts at 8 Ω and 850 watts at 4 Ω, it delivers exceptional audio performance. The balanced XLR and unbalanced RCA inputs ensure compatibility with various audio sources. Its dual-mono design with two transformers provides exceptional channel separation and sonic accuracy. The direct-coupled design, without capacitors in the signal path, preserves signal integrity and enhances transparency. Experience unparalleled power and fidelity with the Halo JC 1+ mono power amplifier.

Read the JC 1+ development story here

Features


All Features:

  • 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

Specs


Specs

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