Matched and code-matched pair of 1959 CBS 12BY7A black glass vacuum tubes. New old stock, new in their original CBS boxes.

Both tubes tested 6600 GM, against a nominal new reference of 6500 GM—a strong, evenly matched pair.

Includes both tubes and both original CBS boxes shown in the photos.

Reverb Buyer Protection

Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.Learn more about Reverb Buyer Protection.

Promoted similar listings













Listed4 hours ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • 12by7a
Categories
Year
  • 1959

Product safety information may be available here.

Hillbilly Tubeworx

Houston, TX, United States
Joined Reverb:2023

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Oops, looks like you forgot something. Please check the fields highlighted in red.