4 RCA 12SG7 VT209 VT-209 Vacuum Tubes Valves Milspec Large Logo Lot Of Four Students 1968 GE-BRANDED 17EW8 / HCC85 tubes

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

pre-oil embargo pressing with no scratches and light surface noise

new in box US-made 12K5 tubes tested to spec on our Paul Hart-calibrated TV7/U

I have played them in my Radio Craftsmen RC-2 monoblocks with adapters (not included) and they sound outstanding

Both tubes measured 25 where minimum (65%) is 22

4 RCA 12SG7 VT209 VT-209 Vacuum Tubes Valves Milspec Large Logo Lot Of Four Students 1968 GE-BRANDED 17EW8 / HCC85 tubesThese four milspec RCA large logo 12SG7 VT 209 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Their readings are 61, 61, 62 and 68 where minimum (65%) is 42. 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.