Frequency Response: 
20-20Khz, +/- 0.2dB

Total Harmonic Distortion 
< 0.02% at 1 kHz

Signal to Noise Ratio, 40 dB Setting 
>85dB, input shorted, IHF A-weighted 
>80dB, input shorted, unweighted

Signal to Noise Ratio, 50 dB Setting 
>89dB, input shorted, IHF A-weighted 
>84dB, input shorted unweighted

Signal to Noise Ratio, 60 dB Setting 
> 94dB, input shorted, IHF A-weighted 
> 91dB, input shorted, unweighted

Inter-channel Crosstalk 
>80 dB at 1 kHz

Input Impedance 
MM or MI: 47k Ω 
MC Variable: 50- 550 Ω

Output Impedance 
Unbalanced: < 100 Ω 
Balanced: < 100 Ω per leg

Input Capacitance 
150 pF

Input Sensitivity at 1 kHz, 4mV Input 
40 dB: 4 mV for 450mV output 
50 dB: 4 mV for 1.4 Volts output 
60 dB: 4 mV for 4.25 Volts output

Input Sensitivity at 1 kHz, 1V Output 
40 dB: 9 mV for 1.0 Volt output 
50 dB: 3 mV for 1.0 Volt output 
60 dB: 0.9 mV for 1.0 Volt output

Total Gain 
40 dB / 50 dB / 60 dB (unbalanced output) 
46 dB / 56 dB / 66 dB (balanced output)

XLR Pin Identification 
1 = Ground (Shield) 
2 = Positive 
3 = Negative (Return)

AC Power Requirement 
Standby: <1 watt 
Power On: 9 watts 
115 VAC or 230 VAC 50 - 60 Hz

Dimensions 
Width: 17-1/4” (437mm) 
Depth: 14-3/4” (375mm)

Depth with cables: 17” (432mm) 
Height: 2-1/2” (63.5mm) 
Height, without feet: 1-3/4” (45mm)

Weight 
Net: 13 lbs. (5.9 Kg) 
Shipping: 19 lbs. (8.6 kg)