I think they may be a matched pair. Numbers are 73 mA 5.7ma/V and 73mA 5.6 mA/v Pictures are part of description! Cosmetically the tubes look new! Pictures are part of description! Please wait for your invoice!
View My Other Items For Sale. Electro Harmonix 300B Tubes matched set? Auctiva offers Free Image Hosting and Editing.
The item "Electro Harmonix 300B Tubes (matched set)" is in sale since Tuesday, April 13, 2021. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "acline444" and is located in Surprise, Arizona.This item can be shipped worldwide.