Richardson Electronics' latest edition of the Care & Feeding of Power Grid Tubes handbook is now available for all of its customers free from stock. The handbook, published by the Eimac division of ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Richardson Electronics has announced the availability of the latest edition of the Care & Feeding ...

A plastic base with 7-pins, domed envelope. Donor’s card reads: “Triple grid power amplifier tube made by Sylvania Corp. for use in the audio output stage of power amplifiers and radio receivers.