Description

JC1
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
uto 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
Specifications
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.