SKU:23791214157
4 Sylvania 5Z4 Vacuum Tubes Rectifier Lot Of Four
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
Description
4 Sylvania 5Z4 Vacuum Tubes Rectifier Lot Of FourThese four Sylvania 5Z4 rectifier tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. They tested 46 52, 49 47, 51 51 and 52 52 respectively, where minimum (65%) is 40 40. 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
new in box Sylvania 6SH7 tubes tested to spec on our Paul Hart-calibrated TV7/U
a balloon / globe bottle
(New 6GU7s typically test from within a half standard deviation of 2000 micromhos and the Jackson expresses this in terms of a percentage
It has shiny black plates
" "I Shall Go Down The Street
Tube One measured 27 while Tube Two measured 28 where minimum is 22 and 100% is 34
Tube One drew 26
though some are stamped "138" and others are not
stout gray plates
These three milspec GE 12SG7 / JAN-CG-12SG7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts
They tested (from left to right) as follows: 81%
This hardcover book is in very good condition and comes from a non-smoking household
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