post #1 of 1
Thread Starter 
This Classified is Closed

For Sale:
FS: beautiful NOS matched pair of Sylvania red-base 5691 tubes in original boxes

Will Ship To: Anywhere

Absolutely beautiful pair of 5691 (which are 6SL7 equiv) tubes, NOS in original boxes. Almost certainly made by RCA, but branded Sylvania. Tested great on my B&K 606.

$120 plus shipping.

04D15116-08D3-43A0-B165-F03FF0D974AB_zpsktlguom1.jpg
6CCEA4DA-B469-4D80-99C1-A16B4F48A165_zps5ry6ve62.jpg