Sylvania / Amperex 6GB5 Vacuum Tube NOS NIB

Sylvania / Amperex 6GB5 Vacuum Tube NOS NIBThis new old stock, new in box Amperex MANUFACTURED, Sylvania BRANDED 6GB5 tube tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE

mica snubbers (for lowered microphonics) and excellent flashing

This trio of Westinghouse black plate 12AU7A / ECC82 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Transconductance measured 49

This Sylvania 6CA4 / EZ81 rectifier tube was tested on our Paul Hart-calibrated TV7/U

Special Features: ANODE RADIATORS (for cooler operation and longer tube life)

This RCA Cunningham 5Z3 rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

Plate current draw was 24 and 32 milliamps

new in box (for Tube Two) matched pair of Sylvania 6BL7GTA dual triodes was tested on our TV7/U for shorts

There were no shorts or gas and their readings are as follows:

Please note there has been some flaking of the cathode material

Minimum (65%) is 1430

All three DVDs are present and play fine