Eropkin Audio

Eropkin Audio We build high end audio gear that inspires creativity. We also do tube amp and electronics repair.

Spent the weekend replacing all 48 pan pots on a 16 channel Toft ATB console, the circuit was modified to be real pan (s...
05/27/2025

Spent the weekend replacing all 48 pan pots on a 16 channel Toft ATB console, the circuit was modified to be real pan (stereo 10k linear) rather than the abomination that Toft originally used (mono, wiper grounded). We also installed a new stereo bus from CAPI with Litz 2503 transformers.

Putting the mastering lab together, few more weeks and we’ll be ready for some work.
04/14/2024

Putting the mastering lab together, few more weeks and we’ll be ready for some work.

Nice little API style preamp in the works...
01/22/2024

Nice little API style preamp in the works...

Little combo… time to record some music.
08/08/2023

Little combo… time to record some music.

Getting closer, polyurethane, dry, and repeat…should be a cool combo. 5F1 circuit with parallel 12AT7 reverb driver, dwe...
07/27/2023

Getting closer, polyurethane, dry, and repeat…should be a cool combo. 5F1 circuit with parallel 12AT7 reverb driver, dwell and dual switchable main level.

Cooking up a little combo amp…
06/13/2023

Cooking up a little combo amp…

05/19/2023

We also offer Electrical services, like panel upgrades, repairs, and installation. Licensed, Bonded, and Insured.

Authored some tt to db25 PCB’s. Should make wiring the patchbays considerably easier.
05/03/2023

Authored some tt to db25 PCB’s. Should make wiring the patchbays considerably easier.

4176AMP.
03/15/2023

4176AMP.

What do you do when there are no Neve style k***s in the diameter you need? Hopefully they don't break the bank.
02/22/2023

What do you do when there are no Neve style k***s in the diameter you need? Hopefully they don't break the bank.

Universal power supply for the EA preamps/compressors/EQs. Card based so that it will be plug and play, making for strea...
02/10/2023

Universal power supply for the EA preamps/compressors/EQs. Card based so that it will be plug and play, making for streamlined servicing and building.

Anybody want to track some drums? 16 channels of Discrete Op-Amp thump.
10/25/2022

Anybody want to track some drums? 16 channels of Discrete Op-Amp thump.

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Bethel Acres, OK

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