Studio Projects SPM5 500 Series Mic Pre

Studio Projects SPM5 500 Series Mic Pre

Studio Projects SPM5 500 Series Mic Pre


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Expected availability: 7-14 business days

Product Highlights

  • Mic, Instrument, Line Level Inputs
  • Radiance Control for Harmonic Distortion
  • Adjustable Input & Output Gain Controls
  • Selectable Impedance for Ribbon Mics
  • 60dB of Pre-Output Gain
  • 10dB of Output Gain
  • Requires 500 Series Chassis
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This item is noncancelable and nonreturnable.

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Studio Projects SPM5 overview

  • 1Description

The SPM5 500 Series Mic Pre from Studio Projects is a 500 Series mic preamp with mic, instrument, and line level input capabilities, and is designed by the creator of Tonelux. It features separate input and output gain controls, providing 60dB of input gain and 10dB of output gain. The unit features an adjustable Radiance control that adds high-frequency 2nd harmonic content to provide clarity without boosting your gain.

The preamp has a front-panel combination XLR/TRS jack allowing you to connect instrument or line level sources. An impedance switch adjusts the mic pre to be suited for ribbon mics. The SPM5 requires a 500 Series chassis for operation.

Use this control to set the appropriate gain for your source, be it microphone or instrument. Use the LED meter and your ears to adjust the amount of gain desired
LED Metering
Adjustable between pre or output gain reading
The output knob functions similarly as a fader on a mixing console. Once you have your preamp gain properly set, use this to determine the overall output level of the SPM5
A high-pass, or bass-cut filter to remove frequencies below 70Hz
This switch reverses the polarity of the microphone signal. It can correct the wiring of older, non-AES equipment, change the character of the sound from mics when using two mics on one source
This switch adjusts the input impedance your mic "sees," and is designed for use with ribbon mics
This button adds a layer of high-frequency 2nd harmonic distortion to the pre, allowing you to add shimmer to the high end. Adds clarity and presence without adding to the overall recording level
Phantom power for active microphones, such as condensers
Engage this switch if you are plugging a line level signal or instrument, such as guitar or bass, into the SPM5
In the Box
Studio Projects SPM5 500 Series Mic Pre
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Studio Projects SPM5 specs

    Input Impedance Mic: 2 kΩ
    Instrument: 1 MΩ
    Common Mode Rejection 70 dB
    EIN -127.5 dBu, un-weighted, 150 Ω source
    Distortion 0.001%, +4 dBu output, 1 kHz
    Frequency Response 10 Hz to 70 kHz (-3 dB)
    Gain Overall Mic Gain: 70 dB (60 dB preamp gain, 10 dB output gain)
    Maximum Input Before Clipping Mic: +4 dBu
    Instrument: +22 dBu
    Maximum Output Before Clipping: + 28 dBu (10 kΩ load)
    HPF 12 dB per octave cut @ 70 Hz
    Nominal Output Level +4 dBu (electronically balanced)
    Output Impedance 100 Ω
    Noise Floor Output Noise Floor: -85 dBu (typical, with ~40 dB mic gain)
    Meter PPM: 8-segment LED bar graph
    Current Requirements 130 mA (maximum), per rail
    Compliance VPI Alliance, WHOS-Doc
    Weight 1.4 lb (0.65 kg)

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