m Continuous Average Output Power (20–20,000 Hz)
Stereo operation
480 watts per channel into 1 ohm (✱)
(both channels driven)
240 watts per channel into 2 ohms
120 watts per channel into 4 ohms
60 watts per channel into 8 ohms
Monophonic operation
960 watts into 2 ohms (✱)
(bridged connection)
480 watts into 4 ohms
240 watts into 8 ohms
Note: Load ratings marked (✱) apply only to operation with music signals.
m Total Harmonic Distortion
Stereo operation (both channels driven)
0.07% with 2 ohm load
0.05% with 4 to 16 ohm load
Monophonic operation (bridged connection)
0.03%, with 4 to 16 ohm load
m Intermodulation Distortion
0.01%
m Frequency Response
At rated output:
20 - 20,000 Hz +0, –0.2 dB
At 1 watt output:
0.5 - 160,000 Hz +0, –3.0 dB
m Gain
28.0 dB (with GAIN selector at MAX)
(Stereo and monophonic operation)
m Gain Selection
MAX, –3 dB, –6 dB, –12 dB
m Output Load impedance
Stereo operation:
2 to 16 ohms
Monophonic operation: 4 to 16 ohms
With music signals only, 1-ohm loads are permissible for
stereo operation and 2-ohm loads for monophonic operation.
m Damping Factor
400
m Input Sensitivity (with 8-ohm load, GAIN selector in MAX position)
Stereo operation:
0.87 V for rated continuous average output (60 W)
0.11 V for 1 watt output
Monophonic operation:
1.74 V for rated continuous average output (240 W)
0.11 V for 1 watt output
m Input Impedance
Balanced: 40 kilohms Unbalanced: 20 kilohms
m Signal-to-Noise Ratio (A-weighted, input shorted)
115 dB (GAIN selector at MAX)
121 dB (GAIN selector at –12 dB)
At rated continuous average output
m Output Level Meters (digital indication and bar graph)
Digital meters:
5-digit indication, selectable range: 10W/100W/1000W
Bar graph meters:
25-point scale
Hold time:
1 second/ , switchable
✱ Display off setting provided
✱ Monophonic operation: same value for left/right
m Power Requirements
AC 120 V/230 V, 50/60 Hz
(Voltage as indicated on rear panel)
m Power Consumption
280 watts idle
530 watts accordance with IEC 60065
m Maximum Dimensions
Width 465 mm (18-5/16")
Height 238 mm (9-3/8")
Depth 515 mm (20-1/4")
m Mass
43.0 kg (94.8 lbs) net
52.0 kg (114.6 lbs) in shipping carton