Hamboneyard.comSurplus · Vintage · Shack-tested
Heathkit SB-220/SB-221 Heavy Duty Power Supply Bundle Upgrade — photo 1

Description

Retains Heathkit wiring. It has been fit into Drake and other amplifiers. This system uses original wiring. It has the following features Moves bias on board with real Zener diodes. In addition, we have tens of thousands of other RF and analog parts, tubes, and kits.

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