Specifications:

Gain: MM operation: 90 times / +39,1 dB at 1 kHz (level difference left/right at 1 kHz: <0,1 dB) 
MC operation: 980 times / +59,8 dB at 1 kHz (level difference left/right at 1 kHz: <0,1 dB) 

Input impedance: MM input: 47,5 kOhms // 50 pF to 430 pF (code switches) 
MC input: 100 Ohms or 475 Ohms (code switches) 

Output resistance at 1 kHz: 50 Ohm

RIAA curve: time constants: 75 Ás / 318 Ás / 3180 Ás 
subsonic filter: 3,4 Hz (6 dB/Oct.) 

Maximal deviation from ideal frequency response: +/- 0,12 (measured from 50 Hz to 20 kHz, referenced to 1 kHz) 



         Diagram: typical deviation from ideal frequency response, 1 channel shown)




Max. DC offset:
+/- 0,5 mV 

Crosstalk: MC operation: 74 dB, MM operation: 76 dB 
(input 2,2 mVeff / 17 mVeff, opposite input with 40 Ohms loaded
GND connector grounded)

Signal to noise ratio: MC operation: -73,5 dB, MM operation: -83 dB
(A-weighted, ref. to 500 mV, input with 40 Ohms loaded
GND connector grounded) 

Total harmonic distortion (THD+N): MM operation: 0,007 %, MC operation: 0,04 %
(1,6 Veff into 10 kOhms, at 1 kHz, input floating, GND connector grounded, 
measuring bandwidth 22 Hz - 22 kHz) 

Harmonic spectrum with MM-operation at 1 Veff output (1 kHz): 






Dimensions:
W 284mm * H 70mm * D 260mm (preamp) 
W 133mm * H 70mm * D 240mm   (external power supplies) 

Weight: 8,6 kg (preamp inclusive 2 external power supplies)