3 US-Made 6F7 Vacuum Tubes Mesh Plate Shoulder Style Bottle NOS NIB Lot Of Three

3 US-Made 6F7 Vacuum Tubes Mesh Plate Shoulder Style Bottle NOS NIB Lot Of ThreeThese new old stock, new in box US made 6F7 tubes tested to spec on our Paul Hart calibrated TV7 U. They have late 1930s retro styling with coke bottle glass envelopes and mesh plates. 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

There are two GEs

It drew 27

I have played them in my Sound Craftsmen RC-2 monoblock amplifiers with adapters (not included) and they sounded outstanding

These tubes have nifty shoulder / Coke bottle glass envelopes

I just cleaned this LP on our VPI 16

This matched pair of Ken-Rad 6C6 tubes tested 46 and 50

It measured a perfectly-balanced 82/82 where minimum (65%) is 50/50 and 100% is 77/77

This new old stock-testing lot of six Tung-Sol black glass 6K6GT tubes were tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of --36 volts for shorts

WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS OR IF THEY WERE MISTREATED IN TRANSIT

Tube Two: 19

It measured 49/47 where minimum (65%) is 40/40 and 100% is 62/62

but their bottles are