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Golden Age Project Pre-73 MKIII Mic Preamp

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The PRE-73 MKIII is a one-channel vintage style microphone-, line and instrument preamplifier. The signal path uses only discrete components like res...Click To Read More About This Product

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Single-channel vintage-style preamp.

The PRE-73 MKIII is a one-channel vintage style microphone-, line and instrument preamplifier. The signal path uses only discrete components like resistors, capacitors and transistors. The input and output is 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 circuit used in the PRE-73 MKIII is similar to the preamp section in the classical 1073 module with a corresponding 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 intergrated circuits in the signal path
Enough gain to handle passive ribbon mics with quiet sound sources
GAIN/LINE mode switch, gain is reduced by 30 dB in LINE mode
Selectable two position high frequency AIR boost eq, 3 or 6 dB @ 30 kHz
Selectable 6 dB/octave two frequency high pass filter
Tantalum capacitors in the signal path
Switchable impedance in MIC mode
Switchable phantom power and absolute phase
A high-impedance instrument input
A simple but effective 4-step LED output level meter
Combo XLR/TRS input jack and separate output XLR and TRS jacks
Insert jack for inserting EQs and other units
The pcb is prepared for the Carnhill input transformer
External power supply to avoid interaction with the audio circuits and transformers
A solid build quality that will last many years of normal use

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by PowerReviews
Golden Age ProjectPre-73 MKIII Mic Preamp

(based on 2 reviews)

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Reviewed by 2 customers

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(3 of 3 customers found this review helpful)


Excellent pre-amp, Worth the money

By Joe V

from Hudson, NY

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  • Clear Sound
  • Easy To Use
  • Powerful
  • Professional Functions
  • Versatile


    Best Uses

    • Amateur Recording
    • Home Studio
    • Professional Recording

    Comments about Golden Age Project Pre-73 MKIII Mic Preamp:

    This is an excellent pre-amp for mic or line level signals. I've used it only a short time with a few different mics, but it gives a much more clear and detailed performance than my Mackie 32-8 stock console pre's and the Presonus BlueTube pre I have. This even brought out detail from an SM-57 micing a guitar cab -- detail from an SM57! It also helped with vocals using a 414-ULS and 414-XLS and is great for DI'ing bass guitar.
    Yes, the ubiquitous "warmth" is there, but also real clarity in the mids and bright, but not overbearing highs. It's not a muddy warmth - the low end is round, but clear. Plus, being a transformer design it pushes nicely into mild distortion for rock vocals, or that little extra distortion on bass while also being able to be sweet and clear just by turning down your gain.
    The insert point is a really nice touch for those of us lacking a patch panel and the two roll-off choices are a nice touch. The only thing negative I can say is the output meter is not very accurate, but with the meters on other gear you're going into, it's not a big deal. Well worth the money and I'm seriously considering a second.


    not for me

    By mr manchester

    from Astoria, OR

    About Me Experienced



      • distorted

      Best Uses

      • Amateur Recording
      • Home Studio

      Comments about Golden Age Project Pre-73 MKIII Mic Preamp:

      Bought this primarily for vocals, thinking it would be a step up from the Studio Projects VTB-1 and Joe Meek ThreeQ that I currently have. I found that even at the lowest gain setting and low output the vocals sounded distorted. I tried the unit with a couple of different mics: Audio Technica 3035 and Sterling ST55, finding the same problem with both. Even a cheap and nasty Behringer Tube Ultragain Mic100 sounded better in a side-by-side comparison.
      I also noticed that when the low Z button depressed all the lights on the unit went out. Maybe the unit I got was faulty. I also got a Pre-73 mk II at the same time, which was intended for mic-ing acoustic guitars and that sounds OK.

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