All tubes tested on Amplitrex AT1000; prefer check, mo, or Paypal Gift. I ship USPS tracked and usually right away.
Platinum matched Matched trio of brand new Tung Sol gold-pin ECC803S: 1700/1700 1700/1700 1700/1700 - $70 shipped (
retail)
Matched quad of brand new; test nice and hot (1800gm) Sovtek 12AX7LPS low-noise: 1800/1800 1800/1800 1900/1900 1900/1900 - $40 shipped (
retail)
Matched pair of NOS Mullard 7-notch 1963 & 1964 - 160 shipped!
GE 5751 JG WA 3-mica gray plates mid-1950's D-getters - $60 shipped
5692 red-base RCA 1956 (week 48). VERY clean with great lettering. Tests 92/107% of spec. - $75 shipped
5691 red-base RCA 1962 (week 32). Also very clean, but used tests 81/81% of spec. - $30 shipped
12AT7 Amperex
12AU7 singles:
Tesla ECC82 big bottle gray plate - $20 shipped
Amperex Holland 7316 halo gray plate 1969 - $70 shipped
Mazda 12AU7 Fench Signal-Corps mil-spec gray plate halo; in original boxes and brown wrapper - $40 shipped
RCA 5963 square getter 1950s blk plate - $50 shipped
Telefunken 12AU7 labeled for Mazda - $70 shipped
CBS 5814 gold-pin D-getter RARE 1950's - $100 shipped
Ken-Rad D-getter 12AU7 silver-coated black plate (RARE plate type); NOT a silver plate but some kind of silvery gray plating on a darker plate - $28 shipped
Raytheon JRP 12AU7 Black plate D-getter - $35 shipped
Tungsram 12AU7 gray plate "S1" engraved on support - $40 shipped
RTC/Mazda 1957 halo on double getter support; wing-plate type. One of the very first 12AU7's in production. Original box. - $70 shipped
Tung Sol 12AU7 D-getter 3mica - $30 shipped
Siemens 12AU7 silver-plate halo - $75 shipped
RCA 12AU7 Gray clear top - $15 shipped
