Heritage Audio API VPR 500 Series 1073/500 Microphone Preamplifier Module

SKU: HA1073500ANN MFR: HA1073/500ANN
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Key Features

  • Capture pristine audio with this Heritage Audio microphone preamplifier module.
  • Experience low noise and high gain, perfect for studio-quality vocal recordings.
  • Achieve versatile sound shaping with the integrated EQ, enhancing your tracks.
  • Enjoy robust build quality ensuring lasting performance in your 500 series rack.
  • Transformer balanced I/O provides superior connectivity and signal integrity.
  • Fine-tune your sound with precise input impedance controls for optimal mic matching.
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Special Order?Estimated to Ship: 08/07/2025
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Heritage Audio Mic Preamplifier Module Specifications

  • Input Impedance

    Microphone
    HI: 1200Ohms minimum
    LO: 300Ohms minimum
    Line: 10 kOhms bridging, transformer balanced and floating

  • Output Impedance

    Less than 75Ohms, Transformer balanced and floating to drive a load of 600Ohms

  • Maximum Output

    Greater than +26 dBm into 600Ohms
    Greater than +32 dBu into 10 kOhms

  • THD

    Less than 0.025% at 1,000Hz
    Less than 0.05% at 100Hz

  • Frequency Response

    20Hz (+0.3 dB) to 20,000Hz (-0.2 dB)

  • Maximum Gain

    Slightly greater than 80 dB

  • Noise

    Less than -100 dBm

  • EQ Button

    Switches the equalizer on or off

  • Phase Button

    Flips phase 180 deg.

  • Power Consumption

    106 mA at 24 VDC

  • Dimensions (W x D x H)

    4.45 x 7.09 x 5.32" / 11.30 x 18.01 x 13.51cm

  • Weight

    5.1lbs / 2.31kg

  • UPC Code

    702877907146

About Heritage Audio Mic Preamplifier Module

Why settle for less when you can have the best The API VPR 500 Series 1073/500 Microphone Preamplifier Module, a creation of Heritage Audio, is a testament to uncompromised quality and superior audio performance. Unlike other brands that had to make concessions to fit their versions into a compact 500 series module, Heritage Audio made no such compromises.

This preamplifier module is a 3u wide unit, designed to accommodate all three vintage-accurate transformers, dual concentric switches, pushbuttons, and the exact PCB cards found in the original 1073 model. This meticulous design approach ensures that you get the authentic 1073 experience in a 500 series format.

The API VPR 500 Series 1073/500 Microphone Preamplifier Module doesn't cut corners. There are no downsized knobs, no omitted transformers, and no integrated circuits replacing the discrete class A circuitry. It delivers exactly what it promises: a true 1073 experience in a 500 series module.

In the world of professional audio equipment, the API VPR 500 Series 1073/500 Microphone Preamplifier Module stands out as a symbol of Heritage Audio's commitment to quality and authenticity. It's not just a product; it's a promise of unparalleled audio performance.

Heritage Audio Mic Preamplifier Module Features

  • 70dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics
  • 10dB Class A Line Amplifier, Bridging input impedance, balanced and floating
  • Class A, single ended, 2N3055 driven high headroom output stage
  • High Frequency - +/-16dB shelving at 12 kHz, Baxandall type
  • Low Frequency - +/-16dB with selectable frequency shelving of 35Hz, 60Hz, 110Hz & 220Hz, Baxandall type
  • Mid Frequency - +/-18dB peaking, fixed 'Q' , selectable center frequencies of 0.36kHz, 0.7kHz, 1.6kHz, 3.2kHz, 4.8kHz and7.2kHz , dual inductor based
  • High Pass Filter - 18dB per octave slope, switchable between 50Hz, 80Hz , 160 Hz & 300Hz, inductor based
  • 1073 Module available. 19" Convertible format available Winter 2012

Key Features

  • Capture pristine audio with this Heritage Audio microphone preamplifier module.
  • Experience low noise and high gain, perfect for studio-quality vocal recordings.
  • Achieve versatile sound shaping with the integrated EQ, enhancing your tracks.
  • Enjoy robust build quality ensuring lasting performance in your 500 series rack.
  • Transformer balanced I/O provides superior connectivity and signal integrity.
  • Fine-tune your sound with precise input impedance controls for optimal mic matching.

What's in the box:

  • Heritage Audio API VPR 500 Series 1073/500 Microphone Preamplifier Module
  • Heritage Audio 1 Year Parts & Labor Warranty