Rupert Neve 551 Shelford Inductor EQ
The Rupert Neve 551 Shelford Inductor EQ is the only equalizer for the 500 Series designed by Rupert Neve himself. With 3 bands of EQ inspired by Mr. Neves' most award-winning vintage design, along with custom-wound inductors, transformers and Class A amplification blocks, brings the 551 Rupert Neve´s signature: sleek and full-bodied bass combined with silky-soft tops 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 is 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