6 RCA 6GH8 6GH8A Vacuum Tubes NOS NIB Lot Of Six May 01 2025 The face has quite a

The face has quite a nice patina and the case has a wonderful

I have played them in my Musical Paradise 301 MK 3 with adapters (not included) as 6SJ7 substitutes and they sound excellent -- airy with excellent dynamics and signal bandwidth

Transconductance measured 38/39 where minimum (65%) is 21/21

gray bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

new in box Sylvania 12JT6A tube tested to spec on our Paul Hart-calibrated TV7/U

6 RCA 6GH8 6GH8A Vacuum Tubes NOS NIB Lot Of Six May 01 2025 The face has quite aThis lot of six RCA 6GH8A tubes tested to spec on our Paul Hart calibrated TV7 U. 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 AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF AN