8 US-Made 6BQ6 6BQ6GT 6CU6 Vacuum Tubes Valves Lot Of Eight

8 US-Made 6BQ6 6BQ6GT 6CU6 Vacuum Tubes Valves Lot Of EightThese eight US made 6BQ6 6CU6 tubes tested as follows on our Paul Hart calibrated TV7 U: 51, 72, 80, 85, 86, 88, 92 and 94 where minimum (65%) 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 ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO

mesh plates

This paperback book is in very good condition

I have played it in my Musical Paradise 301 MK 3 and it sounds excellent -- airy with excellent dynamics and signal bandwidth

They are exactly-the-same on the inside with the exception of the top mica spacers

" Tube one has a brown base and 59-43 date codes while Tube Two has 1-17 date codes and a black base

new in box Sylvania Number 37 tube tested to spec on our Paul Hart-calibrated TV7/U

They are a tad microphonic and are fine for home use

a globe / balloon style bottle and beautiful flashing

they can put out as much as 2A3s and fell into disfavor because of socket supply issues

This perfectly-matched pair of milspec GE 6C4 6C4WA triodes was tested on our Paul Hart-calibrated TV7/U for shorts

This Philco 5Y4G rectifier tube tested 54/49 where minimum (65%) is 40/40 and 100% is 62/62

new in box GE 6AL7GT tubes tested to spec on our TV7