• 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

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

Dimension

• Height without feet: 3.5”