Rupert Neve 511 - 500 Series Mic Pre with Silk - Manual (Page 9)

9
MAXIMUM OUTPUT LEVEL +23dBu
TOTAL HARMONIC DISTORTION AND NOISE
@ 1kHz, +20dBu output level, no load. Better than 0.0025%
@ 20Hz, +20dBu output level, no load. 0.025% Typical (2nd and
3rd harmonic)
TOTAL HARMONIC DISTORTION AND NOISE WITH SILK ENGAGED
TEXTURE @ min
@ 100Hz, +20dBu input level, no load 0.015%, mostly 3rd
harmonic (typical)
TEXTURE @ max
@ 100Hz, +20dBu input level, no load 2%, mostly 2rd harmonic
(typical)
GAIN
Unity up to +66dB in 6dB steps.
Trim continuously adjustable from -6dB to +6dB.
PHANTOM POWER
Supplied by the 500 series rack power supply. Switch selectable on
faceplate.
HIGH PASS FILTER
Continuously variable swept frequency from 20Hz to 250Hz.
Slope: 12dB/Octave
POWER REQUIREMENTS
@ +/-16VDC 100mA