Toshiba 22DE4 Vacuum Tube Rectifier

Toshiba 22DE4 Vacuum Tube RectifierThis Toshiba 22DE4 rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. It measured 72 where minimum (65%) is 50 and 100% is 77. It has black plates; a short base; a side, top O getter and crenelated, rectangular top and bottom spacers. 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

These five RCA new old stock

This new old stock-testing Van Dyke Type 22 X 222 X-223 was tested on our Paul Hart-calibrated TV7 For shorts

new in box matched pair of GE 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

It has anode radiators for cooler operation and extended tube life

a bottom D -- or perhaps U -- getter and wire snubbers

They measured 47 and 50

but still usable especially in experimental situations where the tube might be damaged -- on our Paul Hart-calibrated TV7/U

crenelated mica spacers and excellent flashing

outstanding flashing and nice

Its diodes measured 33 and 66

Tube One measured 78/73 while Tube Two measured 81/72 where minimum (65%) is 58

good flashing and 4-52 188-5 date/factory codes