Solid State Logic X-Rack VHD Mic Preamp Module

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Product Code: 9999-01622
SSL X-Rack VHD
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878076000855
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Solid State Logic X-Rack VHD Mic Preamp Module

The Solid State Logic X-Rack VHD Mic Preamp Module combines the uniquely versatile VHD Pre with the classic SSL Listen Mic Compressor. The Variable Harmonic DrivePre is a patented SSL preamp design that can deliver ultra-clean SSL grade recordings but also features the VHD circuit which can be switched into the signal path.

The Solid State Logic X-Rack VHD Mic Preamp Module's Variable Harmonic Drive circuit uses a 100% analogue signal path to generate rich harmonic distortion. As you increase the input gain, the Variable Harmonic Drive circuit introduces either 2nd or 3rd harmonic distortion or a blend of the two to your source material. At lower gain settings it adds gentle valve-style warmth or a touch of transistor edge. As the gain is increased the more extreme the distortion becomes until at high gain settings it delivers fierce trashy transistoresque grunge. VHD pre's give the user ultimate versatility from a studio grade preamp. Whether it's ultra-clean traditional SSL, subtle warming or totally trashy transistor distortion, VHD will change your expectations of what a preamplifier should deliver.

The SSL Listen Mic Compressor is a studio classic. This famous processor from the legendary SL4000E console was the secret weapon in many producers sonic arsenal of recording techniques. Originally designed to prevent overloading the return feed from a studio communications mic, its fixed attack and release curves were eminently suitable for use on ambient drum mics.

Solid State Logic X-Rack VHD Mic Preamp Module Features

  • Electronically balanced ultra-high bandwidth Mic input with +20dB to +70dB gain control
  • Hi-Z and Pad Switches on Mic Amp Input
  • Dedicated Additional XLR Line Input
  • Variable Harmonic Drive circuit adds a controllable blend of 2nd or 3rd Harmonic distortion
  • Dedicated Trim control after the VHD stage
  • Classic Listen Mic Compressor with fixed attack and release curves... ideal for drums
  • High and Low-Pass Filters

Solid State Logic X-Rack VHD Mic Preamp Module Specifications

  • Physical:
    • Depth: 200mm / 7.9 inches (Including Front Panel Knobs, Excluding Connectors), 275mm / 10.9 inches (Including Front Panel Knobs and Connectors)
    • Height: 171mm / 6.75 inches
    • Width: 35mm / 1.4 inches (Front/Rear Panels), 49mm / 1.9 inches (Overall Width w/ Front and Rear Panels are Offset)
    • Weight: 260g / 9.5 Ounces
    • Boxed Size: 190mm x 290mm x 70mm / 7.5" x 11.5" x 2.5"
    • Boxed Weight: 460g / 16.5 Ounces
  • EQ Filters:
    • HF (Low Pass): Frequency Range; 20kHz – 3kHz (–3dB point), Slope; 12dB/Octave
    • LF (High Pass): Frequency Range; 15Hz – 350Hz (–3dB point), Slope; 18dB/Octave
  • Performance Specification:
    • Microphone Amplifier Performance:
      • Gain: Continously Variable from +20dB to +70dB, Independently Switchable 20dB Pad Available
      • Input Impedance: Continously Variable from ?1k2O to ?10kO
      • Output Headroom: > +26dBu at Onset of Clipping
      • THD + Noise:
        • -18dBu Applied, +28dB Gain: < 0.2% (20Hz - 20kHz)
        • With VHD, Adjustable Between: < 0.2% and 5% (1kHz - 20kHz)
      • Frequency Response:
        • 20Hz to 20kHz: +0.3dB
        • 50kHz: -3dB
        • 150kHz: –3dB
      • Equivalent Input Noise (Input Terminated with 150O): < –126dB at Maximum Gain, < –80dB at Minimum Gain (with Pad ‘IN’)
      • Common Mode Rejection (-10dBu Applied, +30dB Gain): > 75dB from 50Hz to 1kHz, > 65dB at 10kHz
    • Line Input Performance:
      • Gain: Continously variable from -24dB to +24dB
      • Input Impedance: 10KO
      • THD + Noise (-24dBu Applied, +0dB Gain): < 0.05% from 20Hz to 20kHz, -3dB at 50kHz
      • Frequency Response:
        • 20Hz to 20kHz: +0.1dB from 20Hz to 20kHz
        • 50kHz: –3dB
      • Equivalent Input Noise (Input Terminated with 150O): -90dB

Solid State Logic X-Rack VHD Mic Preamp Module Includes

  • Solid State Logic X-Rack VHD Mic Preamp Module
  • Owners Manual
  • 1 Year Warranty

Solid State Logic X-Rack VHD Mic Preamp Module Downloads

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1 Review Hide Reviews Show Reviews

  • 5
    SSL VHD Mic Pre

    Posted by Anonymous on Jun 3rd 2014

    I had one of these in my XRack system. I already loved the XRack mic pre and the Alpha VHD pre - this is the perfect blend in a single-channel format for the XRack and Mynx. Plus you get the LMC (Listen Mic Compressor) a nice feature but not something you'd use all the time. Overall another winner from Solid State Logic.