6 General Electric GE 6AC7 Vacuum Tubes Lot Of Six 6SK7 Octal Metal They have 4-39 188-5 and

They have 4-39 188-5 and 3-43 188-5 date codes/EIA code

Date Codes: none

on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40

mica snubbers

they were very brittle

6 General Electric GE 6AC7 Vacuum Tubes Lot Of Six 6SK7 Octal Metal They have 4-39 188-5 andThis lot of six GE 6AC7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 38, 44, 44, 44, 46 and 50 where minimum (65%) is 30 and 100% is 47. 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