5 US-Made 12A8 12A8GT Vacuum Tubes Lot Of Five 3Q5 Octal T67 These eight Philco number /

These eight Philco number / type 77 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

I played them with adapters (not included) in my Radio Craftsmen RC-2 monoblocks and they sounded great even though they test on the cusp

7 milliamps' plate current and measured 1900 micromhos

it has a top D getter: a micanol base for resistance to heat

Tube One measured 41 while Tube Two measured 42 where minimum (65%) is 27

5 US-Made 12A8 12A8GT Vacuum Tubes Lot Of Five 3Q5 Octal T67 These eight Philco number /These five US made 12A8GT tubes were tested for shorts, gas and transconductance on our Paul Hart calibrated TV7 U and measured as follows: 24, 37, 40, 44 and 46 where minimum (65%) is 29. 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