7 Philco Number Type 27 #27 Vacuum Tubes Engraved Bases Lot Of Seven 9U8 I BUY TUBES IN BULK

I BUY TUBES IN BULK

One has a glass bottle

new in box RCA 6BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

They are dead quiet when the preamp is muted and have excellent frequency response

side D-getters and excellent flashing

7 Philco Number Type 27 #27 Vacuum Tubes Engraved Bases Lot Of Seven 9U8 I BUY TUBES IN BULKThese seven Philco number type 27 tubes tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 26, 26, 28, 28, 31, 32 and 33 where minimum (65%) is 25. 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 FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE