Rupert Neve 551 Shelford Inductor EQ

Rupert Neve 551 Shelford Inductor EQ

The Rupert Neve 551 Shelford Inductor EQ is the only 500 series equalizer designed by Rupert Neve himself. With 3 bands of EQ inspired by Mr. Neve’s most award-winning vintage design, together with custom-wound inductors, transformers and Class A amplifier blocks, brings the 551 Rupert Neve’s signature: delicious and full bass combined with silky top from Rupert’s classics to the 500 series format.

Specifications

Equalizer Bypassed
Noise:
Measured at Main Output, un-weighted, 22Hz-22kHz, source impedance 40 Ohms
balanced. Better than -102dBV

Frequency Response
Main output, no load +/- 0.1dBu from 20Hz to 31.5kHz -1dB @ 120kHz
Maximum Output Level
23.25dBu
Total Harmonic Distortion and Noise
@ 1kHz, +20dBu output level, no load. Better than 0.0025%
@ 20Hz, +20dBu output level, no load. 0.13% Typical (2nd and 3rd harmonic) High Pass Filter: -2.7dB @ 80Hz Slope:
12dB/Octave
Equalizer Engaged
Noise:
Measured at Main Output, un-weighted, 22Hz-22kHz, source impedance 40 Ohms balanced. Better than -94dBV

Frequency Response
Main output, no load +/- 0.25dBu from 20Hz to 45kHz -2dB @ 120kHz
Maximum Output Level
23dBu
Total Harmonic Distortion and Noise
@ 1kHz, +20dBu output level, no load. Better than 0.009%
@ 20Hz, +20dBu output level, no load. 0.13% Typical (2nd and 3rd harmonic)

Power Requirements
120mA on +16VDC 110mA on -16VDC