6 US-Made Number Type 43 #43 Vacuum Tubes Valves Lot Of Six

6 US-Made Number Type 43 #43 Vacuum Tubes Valves Lot Of SixThis lot of six US made type 43 tubes was tested our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 44, 44, 74, 76, 82 and 85 where minimum (65%) is 58 and 100% is 89. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE ALSO SEE OUR ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR

They have 4-48 188-5 and 5-43 188-5 date/provenance codes

I am playing them in my single-ended Mini Mite (with two sets of adapters

They tested 58 and 63 where minimum (65%) is 40

The other plays contained are "Dirty Hands

new in box Realistic (Radio Shack) Gold Clad 3V4 tube tested to spec on our Paul Hart-calibrated TV7/U

I have played it in my Alan Eaton singe-ended 45 amplifier (at 6

Tubes Three and Four measured 2400/2650 and 2800/3200

This Raytheon 923 gas phototube is new old stock and new in box

a sutured top

This perfectly-matched pair of Wards Super Airline black bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

The dust jacket is in excellent condition

This new old stock-testing matched pair of 1960s vintage Sylvania Fat Boy EL34 / 6CA7 tubes was tested on our Maxi-Matcher 2 tube tester with 400 volts on the plates and a bias of -36 volts on the grids for shorts