The “it does everything” box.
The 517 provides a world-class transformer-coupled mic preamp, one-knob compression, DI circuitry with Vari-phase, Silk saturation and DI + mic blending capabilities – all in a single module.
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Rupert Neve Designs | 517
FREQUENCY RESPONSE Mic Pre, Main Output, no load. -0.1 dB @ 10 Hz -1 dB @ 120 kHz
DI Input, Main Output, no load. -0.1 dB @ 10 Hz -1 dB @ 120 kHz
NOISE Measured at Main Output, unweighted, 22Hz - 22kHz, Terminated 150 Ohm. Noise specifications may vary depending on which 500 series chassis is being used, and / or interference from stray magnetic fields. With gain at unity: better than -100 dBu With gain at 66 dB: better than -60.5 dBu Equivalent Input Noise: better than -125 dBu
DI With Gain @ Unity: Typically better than -100 dBu With Gain @ +30 dB: Typically better than -75 dBu
HIGH PASS FILTER Frequency: 80 Hz Slope: 12 dB/Octave Bessel
Microphone Input Impedance 10,000 Ohm
Instrument Input Impedance 1.6 Meg Ohm (3.3 Meg Ohm balanced)
Maximum Output Level Maximum output from 20 Hz to 40 kHz is +23 dBu.
GAIN Mic Pre: Unity to +66 dB in 6 dB steps DI: Unity to +30 dB continuous
Total Harmonic Distortion and Noise: @ 1 kHz, +20 dBu output: Main Output: Better than 0.001% @ 20 Hz, +20 dBu output: Main Output: Better than 0.002% Silk Engaged: Better than 0.2% Second harmonic
VARI-PHASE @ 100 Hz: 2.9 degrees to 57.4 degrees @ 1 kHz: 33.5 degrees to 156 degrees @ 10 kHz: 149 degrees to -175 degrees
PHANTOM POWER +48 Volts DC +/- 1% (provided by 500 Series Rack)
POWER REQUIREMENTS Supplied by 500 series rack with 110-125 mA @ +/- 16V
COMPRESSOR THRESHOLD Continuously Variable from -20 dBu to +10 dBu
RATIO Fixed at 2:1
ATTACK & RELEASE Fast Mode: Attack 5ms, Release 50ms Slow Mode: Attack 250ms, Release 500ms
TOTAL HARMONIC DISTORTION Measured @ Main Output. MIC PREAMP AND DI @ 1 kHz, +20 dBu output: Better than 0.002% @ 20 Hz-20 kHz, +4 dBu output: Better than 0.02%
SILK @ 20 Hz, +4 dBu output: Better than 0.5% @ 50 Hz, +4 dBu output: Better than 0.1%
