- 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:
17-1/4" w x 7-5/8" h x 19-1/8" d, 7" h without feet
Net weight:65 lb.
Shipping weight:79 lb.
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