3 General Electric GE 12J5 Vacuum Tubes Valves Lot Of Three Gray Glass These tubes have black

These tubes have black

new in box matched pair of GE 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

It is dead quiet when the preamp is muted and has excellent frequency response even though this amp was designed for 6SN7s

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

(New 6679s typically test within 1

3 General Electric GE 12J5 Vacuum Tubes Valves Lot Of Three Gray Glass These tubes have blackThis lot of three GE 12J5 triodes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 24, 50 and 75 where minimum (65%) is 50. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHELEC" 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