250 watts x 3 @ 8 Ohms / 400 watts x 3 @ 4 Ohms

Adjustable gain for up to +6db over THX Reference level

Unbalanced RCA and balanced XLR inputs

Circuitry designed by legendary John Curl

High bias class A/AB operation

Direct coupled (no capacitors or inductors in signal path)

Complementary MOSFET driver stage and JFET input stage

24 beta-matched 15 amp, 60 MHz bipolar output transistors

1.5 kVA encapsulated toroid power transformer with independent
  secondary windings for each channel

98,400 µF power supply filter capacitance

DC Servo and relay protection circuits

AC present, channel status, high temperature indicators

Heavy-duty 24k gold-plated 5-way speaker terminals

THX Ultra2 certified

Auto turn-on by 12v trigger or audio signal

Continuous power output:
250 watts RMS x 3, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 3, 20 Hz - 20 kHz, 4 Ω, all channels driven

Current capacity:
60 amperes peak per channel

Power bandwidth:
5 Hz - 100 kHz, +0/-3 dB at 1 watt

Total harmonic distortion:
< 0.2 % at full power

IM distortion: balanced 16 V rms
< 0.04 %

Slew rate:
> 130 V/µsecond

Dynamic headroom:
> 1.5 dB

Interchannel crosstalk:
> 78 dB at 1 kHz;
> 63 dB at 20 kHz

Input sensitivity:
1 V for 28.28 V (THX Reference)

Input impedance:
47 k Ω unbalanced; 94 k Ω balanced

S/N ratio:
112 dB, input shorted, IHF A-weighted

Damping factor:
> 1100 at 20 Hz

Dimensions:
17-1/2" w x 7-5/8" h x 20" d, 7" h without feet

Net weight: 65 lb.

Shipping weight: 79 lb.