Rupert Neve Designs 517

Rupert Neve Designs Portico 517, Microphone preamplifier, compressor and DI, With Vari-phase, Silk and DI / mic blend, Frequency range: Main output, no load, -0.2 dB @ 10 Hz -3 dB @ 160 kHz, Noise: measured at main output, unweighted, 22 Hz-22 kHz, Microphone gain up to 66 dB, DI gain from 0db to 30dB, Maximum Output Level: from 20 Hz to 40 kHz +23 dBu, Total harmonic distortion and noise: @ 1 kHz, + 20 dBu output: Main Output: better than 0.001% at 20 Hz, +20 dBu Output: Main Output: better than 0.002% Silk activated: better than 0.2% Second Harmonic, Crosstalk (measured from channel to channel): better than -90 dB @ 15 kHz, Phantom Power: +48 Volts DC +/- 1%, Construction: API Series 500 rack format