SKU:86298567424
3 National Union NU Type / Number 58 #58 Vacuum Tubes Valves Lot Of Three
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Description
3 National Union NU Type / Number 58 #58 Vacuum Tubes Valves Lot Of ThreeThis lot of three National Union number type 58 stamped engraved base tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. They measured 31, 42 and 50, respectively, where minimum (65%) is 36 and 100% is 56. 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
new in box RCA 42EC4A / PY500A tubes tested to spec on our Paul Hart-calibrated TV7/U
Tube One measured 56/58 while Tube Two measured 59/56 where minimum (65%) is 50/50 and 100% is 77/77
This lot of three type 85 tube was tested on our Paul Hart-calibrated TV7/U for shorts
32/28 and 32/33 where minimum (65%) is 25/25 and 100% is 39/39
new in box Realistic (Radio Shack) Gold Clad 50C5 tube tested to spec on our Paul Hart-calibrated TV7/U
DB and CV batch codes
46 and 50 where minimum (65%) is 30 and 100% is 47
79 and 84 where minimum (65%) is 50
This (low side of) new old stock-testing Canadian GE 12SN7GT dual triode was tested on our Hickok 600A for shorts
two Hytrons and one Sylvania
new in box National Union 7A8 tube tested to spec on our Paul Hart-calibrated TV7/U
Will happily test it if you can send me the settings
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Exchange/Return Notes
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