Welcome to Bob's Devices, Inc.

Custom Step-Up Transformers (SUT) for moving coil (MC) cartridges

Each SUT is hand-made, one at a time, using point to point wiring and individually tested. No circuit boards are used. Hand Crafted in the USA.

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Moving coil phono cartridges on sale, while supplies last:

Cardas Myrtle Heart Moving Coil Cartridge, 1 available

https://www.bobsdevices.com/product-page/cardas-myrtle-heart-mc-cartridge

Hana SL Series Moving Coil Cartridge, 2 available

https://www.bobsdevices.com/product-page/hana-s-series-moving-coil-cartridge-shibata