4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Clear Bottle Lot Of Four

4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Clear Bottle Lot Of FourThese four clear bottle US made type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 48, 62, 62 and 64 where minimum (65%) is 40 and 100% is 62. 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

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I just cleaned this album on my VPI 16

There were no shorts or gas and they measured 44 and 46 where minimum (65%) is 31

Its diodes measured 14 and 12

It has a mesh plate

please select “2” from the quantity box

new in box RCA 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U

red tip (low noise) 6CG7 / 6FQ7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

These five Ken-Rad number / type 27 tubes tested as good on our Paul Hart-calibrated TV7/U

likely Tung-Sol-MANUFACTURED) measured 31 while Tube Two (no silkscreening 6AK5-LABELED

new in box RCA 6BG6G output tube was tested on our Maxi-Matcher (with an adapter) with 400 volts on the plates and a bias of -48 volts for shorts

matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts