3 Mullard 6HG8 / ECF86 Vacuum Tubes NOS NIB Lot Of Three

3 Mullard 6HG8 / ECF86 Vacuum Tubes NOS NIB Lot Of ThreeThese three new old stock, new in box Mullard MANUFACTURED, RCA BRANDED 6HG8 ECF86 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

wire snubbers for lowered microphonics

They measured 44 and 48 where minimum (65%) is 30

This matched pair of new old stock

It measured 79 where minimum (65%) is 32 and 100% is 49

There are two new old stock

Transconductance measured 45 in Section One and 50 in Section Two for Tube One and 50/44 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

This Sylvania 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

35 and 42 where minimum (65%) is 26 and 100% is 40

Tube Three: 19

This trio of Toshiba output tubes was tested on our Maxi-Matcher in Real World Conditions with 400 volts on the plates and a bias of -36 volts for shorts

Tube One measured 1900/1900 while Tube Two measured 1900/2250 where new/nominal is 2200

It has the nostalgic shoulder / Coke bottle glass envelope