This is an honest pair of Sylvania 12AX7's with bold 17mm black ladder plates with angled squared getters, (see pics). To include a JHS military issue example. These date from the early to mid 1950's.
(2) Sylvania 12BH7A Vacuum Tubes Matched Codes Long Gray Plates O Getters. Tested on an Amplitrex AT1000.
Silver Grade tubes are matched within 15%, Gold Grade tubes within 10% and Platinum Grade 1%. You are purchasing a "Platinum PLUS Grade " matched pair of tubes. The price listed is for one pair of tubes.
NOS SYLVANIA TYPE JAN TYPE 83 VACUUM TUBE FROM A SEALED CASE OF 50. HARD TO FIND HICKOK RECTIFIER REPLACEMENT. NOS TUBE IN ORIGINAL BOXES AS MADE BY SYLVANIA. I DO COMBINE SHIPPING AND REFUND UNUSED POSTAGE.
LOT OF 2 NOS SYLVANIA 6JG6A/6JT6A/6JR6/TESTED WORKING . leaks.shorts,emmissions
HALO Getters. Matched Pair Sylvania EL84/6BQ5 Tubes.
Model 5670. Getter O Getter. ALL TUBE AUDIO. Tube Specifications. Tube Type —. Plate Grey. Common Use Head Phone Amp. Why Buy From All Tube Audio?.
The minimum is equal to 65% of the life of the tube. TESTED AT: 82.
For sale rare 25x of IN-15A nixie tubes NEW OLD STOCK Example: http://www.spark-tube.com/wp-content/uploads/2019/01/IN-15A-%D0%98%D0%9D-15%D0%90.gif I'm make a very robust package that guarantees delivery tubes intact. You will receive what you see. Ask question before bid.
Bundle of 32 see pics. Mixed lot, you are getting what is pictured.