Realistic Radio Shack Gold Clad 6BL8 ECF80 Vacuum Tube NOS NIB

Realistic Radio Shack Gold Clad 6BL8 ECF80 Vacuum Tube NOS NIBThis new old stock, new in box Realistic (Radio Shack) Gold Clad 6BL8 ECF80 tube tested to spec on our Paul Hart calibrated TV7 U. It was made in Japan. 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

I am playing them in my Mini Mite 2013 (with adapters

They have 3-13 188-5 and 3-26 188-5 date/provenance codes

-- GE 6L6GC output tube was tested on our Maxi-Matcher with 400 volts on the plates and a bias of -48 volts for shorts

5 record cleaner and played on my Rega Planar Three

25 out of ten

(New US-made 6V6s typically test with plate current from the mid-teens to mid-30s with transconductance from 2300 micromhos or so

Too bad about the album cover

ONE IS MISSING

Transconductance measured 57 for Tube One and 58 for Tube Two where minimum (65%) is 58 and 100% is 89

new in box GE 6AH6 tubes tested to spec on our Paul Hart-calibrated TV7/U

64 and 64 where minimum (65%) is 50 and 100% is 77

These lot of six new old stock