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Product H94741

Golden Age Project Pre-573 Microphone Preamp   

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The PRE-573 is a one-channel vintage style microphone, line and instrument preamplifier. The signal path uses only discrete components like resistors...Click To Read More About This Product

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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.

  • 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

Add the PRE-573 to your 500 Series rack today.


Review Snapshot

by PowerReviews
Golden Age ProjectPre-573 Microphone Preamp

(based on 2 reviews)

Ratings Distribution

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Reviewed by 2 customers

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(1 of 4 customers found this review helpful)


Broke in 5 months.

By nada

from KC

About Me Professional Musician


  • Clear Sound


  • Breaks Easily
  • Difficult To Use
  • Unreliable

Best Uses

  • None

Comments about Golden Age Project Pre-573 Microphone Preamp:

Waste of money. Cheap parts break down. Happened to me and a friend. Very disappointing.

(5 of 5 customers found this review helpful)


Excellent sound, incredible value!

By DoubleDogRecording

from Texas

About Me Professional Musician

Ask me a question


  • Clear Sound
  • Professional Functions
  • Quality
  • Value
  • Versatile


  • None Seriously
  • Tiny Toggle Switches

Best Uses

  • Home Studio
  • Professional Recording

Comments about Golden Age Project Pre-573 Microphone Preamp:

when I ordered this I expected to get a flimsy build and an OK sound. Boy was I wrong. This preamp is incredibly well-built. It's heavy. It has shielding all around (unlike some 500 modules that are only enclosed on one side). I popped the cover and inside are high-quality components and a very clean build too.
A bunch of toggle switches and knobs give you a variety of sound and input/output options. It's not noisy and it sounds really good. Considering this unit is less than half the price of the big name vendors, it's a steal. I'm getting a second one!

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