Rupert Neve Designs 551 Inductor EQ

EQUALIZER BYPASSED

NOISE
Measured at Main Output, un-weighted, 22Hz-22kHz, source impedance 40 Ohm balanced.
Better than -102 dBV

FREQUENCY RESPONSE
Main output, no load: /- 0.1 dBu from 20 Hz to 31.5 kHz, -1 dB @ 120 kHz

MAXIMUM OUTPUT LEVEL
23.25 dBu

TOTAL HARMONIC DISTORTION AND NOISE
@ 1 kHz, 20 dBu output level, no load: Better than 0.0025%
@ 20 Hz, 20 dBu output level, no load: 0.13% Typical (2nd and 3rd harmonic)

HIGH PASS FILTER
-2.7 dB @ 80 Hz
Slope: 12 dB/Octave

EQUALIZER ENGAGED

NOISE
Measured at Main Output, un-weighted, 22 Hz – 22 kHz, source impedance 40 Ohm balanced.
Better than -94 dBV

FREQUENCY RESPONSE
Main output, no load: /- 0.25 dBu from 20 Hz to 45 kHz, -2 dB @ 120 kHz

MAXIMUM OUTPUT LEVEL
23 dBu

TOTAL HARMONIC DISTORTION AND NOISE
@ 1 kHz, 20 dBu output level, no load: Better than 0.009%
@ 20 Hz, 20 dBu output level, no load: 0.13% Typical (2nd and 3rd harmonic)

POWER REQUIREMENTS
120mA on 16VDC
110ma on -16VDC