National Union NU 5Y3 5Y3GT Vacuum Tube Rectifier

National Union NU 5Y3 5Y3GT Vacuum Tube RectifierThis National Union 5Y3GT rectifier tube tested 55 in Section One and 49 in Section Two on our Paul Hart calibrated TV7 U tube tester where minimum (65%) is 40 40 and 100% is 62 62. This tube has black plates; PU date codes and a bottom D getter. 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

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This lot of three Sylvania-MANUFACTURED number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

89/77 and 90/75

Wish I could say more about this device than what is printed on the box

not included) in my Musical Paradise MP-3 amplifier and they sound great

8 milliamps and transconductance was 2710 micromhos for Tube One

Tube Two: 66/60

On the TV7/U with bias set to 30 (5963) it measured 66/56 where minimum (65%) is 56/56

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

There are nine new old stock

new in box West German-manufactured Sonotone 6T8 / EABC80 tube tested to spec on our Paul Hart-calibrated TV7/U

These lot of six new old stock