3 RCA Number / Type 19 #19 Vacuum Tubes Valves Lot Of Three NOS-Testing

3 RCA Number / Type 19 #19 Vacuum Tubes Valves Lot Of Three NOS-TestingThis lot of three RCA number 19 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 34 34, 44 44 and 46 45 where minimum (65%) is 25 25 and 100% is 38 38. 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.

Transconductance measured 50/52 for Tube One and 53/52 for Tube Two where minimum (65%) is 25/25 and 100% is 39/39

I have played it in one of my Radio Craftsman RC-2 monoblocks and it sounds outstanding

These eleven US-made number / type 27 tubes tested below the cusp -- some far below

where minimum (65%) is 36 and 100% is 56

They have side

This lot of six US-made mesh plate

side-D getter and is boldly stamped "Dominion Of Canada

This new old stock-testing matched pair of milspec RCA metal bottle JAN-CRC-6V6 output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

GE-BRANDED 17EW8 / HCC85 tubes tested to spec on our Paul Hart-calibrated TV7

These tubes have black anode radiators for cooler operation and longer tube life

almost-perfectly-matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

Tube One drew 24