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Golden Age Project Pre-573 Microphone Preamp
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      Golden Age Project Pre-573 Microphone Preamp (H94741)

Single-channel, vintage-style preamp for the 500 Series rack format.

The PRE-573 is a one-channel vintage style microphone, line and instrument preamplifier. The signal path uses only discrete components like resistors, capacitors and transistors. The microphone and line input and the line output are transformer balanced, using two different transformers, each one optimized for its purpose.

This is the way audio components were built before integrated circuits became available. The subjective sound quality delivered by vintage equipment is often prefered over the one delivered by modern units, a situation that is even more obvious now when music is recorded with clean sounding digital audio equipment.

The circuit used in the PRE-573 is similar to the preamp section in the classical 1073 module with a cor- responding sound character that is warm, punchy, sweet and musical. These classic characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.

Golden Age Project Pre-573 Microphone Preamp Features:

  • Vintage Style electronics, no integrated circuits in the signal path
    Transformer balanced, fully floating output
    Enough mic gain to handle passive ribbon mics with quiet sound sources
    Total gain range from -15 to +80 dB
    Switchable impedance on mic input, 1200 or 300 ohms
    Switchable phantom power with a LED indicator
    A flexible front panel instrument input for additional sound sources
    Make fine gain adjustments and overload the main gain stage(s) for more character
    Insert jack for inserting Golden Age Project 500 Series effect units
    Phase switch
    Selectable AIR equalizer adds a small boost above 10 kHz
    Tantalum capacitors in the signal path
    Selectable 600 ohm Output Termination at the back of the module
    Circuit board star grounding scheme
    A solid build quality that will last many years of normal use

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Questions about the Pre-573 Microphone Preamp (H94741)

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Westlake Village, CA 91359
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