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.

Koetsu Phono Cartridges

$4,000.00

Call Bob at 910-612-8666 or email at bob@bobsdevices.com to purchase Koetsu cartridges. They are not stocked but we can usually get them quickly.