Power Output
450 x1 watts @ 8 Ω
850 x1 watts @ 4 Ω
1300 x1 watts @ 2 Ω Power measurements are with 120 VAC:
0.15% THD, RMS continuous power,
full audio band (20 Hz - 20 kHz) Class A Power Output
25 Watts, bias switch set to high
10 Watts, bias switch set to low Current Capacity
180 amps, peak Slew Rate > 130 volts per microsecond Frequency Response
2 Hz - 120 kHz, +0/-2 dB
20 Hz - 20 kHz, +0/-0.25 dB Total Harmonic Distortion (THD)
< 0.15 % at full power
< 0.02 % at typical listening levels IM Distortion
< 0.03 % TIM
Unmeasurable Damping Factor
> 1200 at 20 Hz Input Impedance
Unbalanced: 50 kΩ
Balanced: 100 kΩ, (50 kΩ per leg) S/N Ratio, inputs shorted
>122 dB, IHF A-weighted, bias set to Low
>120 dB, IHF A-weighted, bias set to High
>113 dB, Unweighted, bias set to Low
>111 dB, Unweighted, bias set to High Total Gain
29 dB (Gain switch set to normal)
23 dB (Gain switch set to low) Input Sensitivity for 28.28 V Output into 8 Ω
Unbalanced: 1 V
Balanced: 1 V per leg
(Gain switch set to normal) DC Trigger Requirements
+9 Vdc to +12 Vdc, 5 mA Audio Trigger Requirement
2.5 mV - 10 mV XLR Pin Identification
1 = Ground (Shield)
2 = Positive
3 = Negative (Return) Dimensions
Height without feet: 7-1/8" (181 mm)
Height with feet: 7-3/4" (197 mm)
Depth: 20" (508 mm)
Depth with cables: 21-1/2" (546 mm) Shipping Carton Dimensions
Width: 29-1/2" (750 mm)
Depth: 27-1/2" (700 mm)
Height: 15-3/4" (400 mm) Net Weight
83 lb. (37.6 kg) Shipping Weight
107 lb. (48.5 kg) Power Requirement
Standby: <1 Watt
Idle (bias set to low): 145 Watts
Idle (bias set to high): 275 Watts
Typical Listening levels: 400 Watts
Maximum: 1500 Watts