3 RCA 6C5 Engraved Bottle Vacuum Tubes Valves Lot Of Three RCA Clear Bottle new in box milspec Sylvania

new in box milspec Sylvania JHS-5977 tubes in this lot

5 out of 10

anode radiators for cooler operation (and longer tube life) and hot-stamped/engraved bases

Transconductance readings are 30

It is dead quiet when the preamp is muted and has excellent frequency response and sound-staging

3 RCA 6C5 Engraved Bottle Vacuum Tubes Valves Lot Of Three RCA Clear Bottle new in box milspec SylvaniaThese three RCA engraved bottle 6C5s were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 53, 54 and 64 where minimum (65%) is 50. 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