THX Ultra2 certified 150 watts x 2 into 8 Ω (all channels driven) 225 watts x 2 into 4 Ω or 2 Ω (all channels driven) 400 watts x 1 bridged into 8 Ω or 4 Ω 35 amps peak current per channel 2 Ohm stable operation with load selector switch Two pairs of speaker outputs with front panel A/B buttons Rear-mounted lockout switch disables front A/B buttons High pass filter, switchable for 20Hz or 40Hz Automatic on/off by DC trigger with looping output Automatic on/off by audio signal with 2 sensitivity settings Fully discrete circuitry with high current toroid transformer Bridging switch for stereo or mono operation Efficient, low heat design DC Servo and relay protection circuits Rear-mounted left and right gain controls Standby, channel status and high temperature indicators Gold-plated RCA input jacks Heavy duty 24k gold-plated 5-way speaker terminals 115/230v selector on rear panel 2U rack mount kit available separately (Model RMK22)

All Channels Driven
150 watts x 2, 8Ω
225 watts x 2, 4Ω
225 watts x 2, 2Ω (Load switch set to 2-3Ω)

Bridged Mono
400 watts x 1, 8Ω
400 watts x 1, 4Ω (Load switch set to 2-3Ω)

Current Capacity
35 amps peak per channel

Frequency Response
20 Hz - 50 kHz, +0/-3 dB, 1 watt
Dynamic Headroom - 1.3 dB

Total Harmonic Distortion
0.25% at full rated output
0.015% at average listening levels

IM Distortion - 0.05 %
Transient IM Distortion - Not measurable

S/N Ratio
114 dB at rated output, IHF A-weighted
106 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted

Input Impedance - 33 k Ω

Input Sensitivity
1 V in for 28.28 V out, THX standard

Inter-Channel Crosstalk
85 dB @1 kHz, 73 dB @10 kHz, 67 dB @ 20kHz
Damping Factor - Over 150 at 20Hz
12V Trigger Turn On - DC 9 – 12V, 15 mA

Audio Turn On
Quieter: 1 mV
Louder: 6 mV

AC Power Requirement
110 - 120 V / 220 -240 V, 50 - 60 Hz
0.5 watts standby
32 watts Idle (no audio)
550 watts full output

Dimensions
   171/4" Wide
   16" Deep, with cables connected
   4.25" High with feet, 3.5" panel only (2U)
   (437 x 406 x 107mm, 88.2 mm panel only)

Net Weight - 27 lbs (12.3 kg)

Rack Mount Accessory
May be Purchased Separately: RMK22