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Rupert Neve Designs 517 Mic Pre DI Compressor

The Neve 500 Series 517 features classic tone and control for your mic and instruments. It includes a mic preamp, 1-knob compressor, an Instrument input and Silk saturation and blend controls.

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    Classic tone & control for your mic AND instrument.

     

    The Neve 500 Series 517 includes a world-class mic preamp, one-knob compressor, an Instrument input with dedicated gain control and Vari-phase, Silk saturation and blend controls for INST/MIC – all in a single 500 series module.

     

    GAIN: 12-position rotary switch that controls the microphone preamp gain in 6dB steps. This input can also accept line level sources when the GAIN control is set to 0dB.

     

    +48V: Engages phantom power on the microphone input, as supplied by the 500 series rack.

     

    POLARITY: Push button inverts the polarity of the signal path. The symbol “Ø” is often used to denote opposite polarity.

     

    COMPRESSOR: Based around a new LDR (light dependent resister) design, the 517’s opto-coupler compressor has been simplified to a single threshold control with auto make up gain. By default, the compressor is set to a fixed 2:1 ratio with fixed attack and release. To set the compressor, simply dial the threshold control down until the desired amount of compression is achieved. An LED light indicates when the compressor is active.

     

    BLEND: The 517 can be used to combine and compress the Mic input and the Instrument input. For example, the Instrument input could be used for an acoustic guitar’s pickup output while the Mic input is being used for either a guitar amp speaker or a vocal. The blend knob can then control the tonal balance between the two sources.

     

    SILK: Illuminated push-button that engages the Silk circuit, which enhances the source’s harmonic content by utilizing the custom Rupert Neve Designs output transformer.

     

    VARI-PHASE: The VARI-PHASE control rotates the phase incrementally, allowing two signals with the same source to be phase aligned. This control is most apparent when the signals being combined are at roughly equal levels, and is generally used when blending an instrument’s direct signal with its amplified signal, as captured by a microphone.

     

    INSTRUMENT GAIN: Front panel TRS Input and passive through for hi-z sources. Continuous gain control from 0dB to 30dB.

     

    THRU & INST 1/4” JACKS: These 2 jacks can be used for a direct instrument input and a passive THRU output. This instrument has a dedicated gain control and can be blended with Mic Input signal.

     

    Rupert Neve Designs 517 Mic Pre / DI / Compressor Features:

    • GAIN: A 12-way precision rotary switch covering from Line (0) and Mic from 0 to 66 dB in 6 dB steps.
    • 48V: Push-button switch that engages 48V phantom power supplied by the 500 series rack.
    • POLARITY: Push-button switch that inverts the phase of the microphone preamp signal.
    • COMPRESSOR: Continuous control of the threshold of the opto compressor when engaged. Compression at a 2:1 ratio is applied when the input signal exceeds the set threshold level. Auto make-up gain is applied after gain reduction occurs.
    • IN/ACTIVE: Push-button switch that illuminates GREEN when the compressor is engaged. This GREEN LED also indicates when gain reduction is occuring once the input signal exceeds the set threshold level.
    • BLEND: Continuous control that creates a blend between the MIC and INST input signals to achieved the desired tonal balance.
    • O/L METER: LED that illuminates GREEN when signal is present and RED when near clip point.
    • SILK: Push-button switch that enhances the input signal’s harmonic content when engaged.
    • VARI-PHASE IN: Push-button switch that engages the VARI-PHASE control to phase align the Mic and INST input signals.
    • VARI-PHASE: Continuous control that rotates the phase of the INST input signal.
    • INST GAIN: Continuous GAIN control for the INST input from 0-30dB.
    • GND LIFT: Push-button switch that separates the INST input signal ground from chassis ground.
    • INST: 1/4” input jack for direct injection (DI) or instrument inputs.
    • THRU: Passive loop 1/4” output of the INST input signal.
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    Rupert Neve Designs 517 Mic Pre DI Compressor Specifications

    Rupert Neve Designs 517 Mic Pre DI Compressor Specifications
    Product Specifications

    Rupert Neve Designs 517 Mic Pre / DI / Compressor Specifications

    • 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%
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