Zenith 6SB7 6SB7Y Vacuum Tube Valve NOS NIB

Zenith 6SB7 6SB7Y Vacuum Tube Valve NOS NIBThis new old stock, new in box Zenith 6SB7 6SB7Y tube 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

They have shoulder / ST / Coke bottles and dimpled-sheet getters

new in box Meson J610A 77 MHZ encoder coil is new old stock and new in box and from a reliable supplier

new in box Magnavox 6BZ6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 45/38 while Tube Two measured 42/41 where minimum (65%) is 32/32 49/49

EIA Factory Codes: Raytheon logos

new in box GE 6EW6 tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing them with adapters (not included) in my Radio Craftsmen RC-2 monoblocks and they sound great even though they test on the cusp

I am playing them in my Sound Craftsmen RC-2 monoblock amplifiers with the included adapters and they sound outstanding

This lot of four Tung-Sol 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

They have engraved / hot-stamped bases

This new old stock-testing RCA clear top

new in box Tung-Sol 12SJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U