Vintage 3B28 rectifiers Chatham – Tung-Sol New Old Stock, possible close matching with exact codes and printing. Perfect drop in replacement for 866 without warm up, RF noise and toxic mercury … but without classy blue light too …
3B28 Chatham Electronics rectifier tube
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Hi,
I need 4 of these tubes (3B28).
Let me now how to handel this.
Best regards,
Dennis