For SaleITEM #1: $300. NOS/NIB pair of Amperex USA (7L6*1) 1961 matched 6922/E88CC.
--Gold Pins, matched date codes.
--7L6 *1, both 1961 matched date codes
--Internal triode balance is excellent.
--Tests 14,500/14,500 and 14,000/13,500 on TV7-D/U (new is 12,500). Thus, the average of all four triodes is 14,000 Gm +/-500, meaning these are with 5% across all triodes, between triodes, and between the single tubes.
--Pegs the meter on an Eico 666 (~140/140 and 140/140), new is 120). --No gas, no shorts, no hum, no noise, no microphonics, no leaks. Headphone amp validated for sound. This matched pair of 1961 Amperex-USA 6922 is worthy of the finest gear, including phono pre-amps, or to set aside in a collection or as a backup. --RCA branded. --Matched 1961 NIB/NOS Amperex-USA date codes acid-etched in glass on top and bottom --Good print--not perfect. --One box flap is torn, otherwise, boxes are in good shape. >>These are the very earliest halo-getter Amperex-USA 6922 and were born right after the D-getter/pinched waist construction ceased production in 1960! Overall, the 1959-1962 era was the finest in Amperex/Philips production quality control and technology advances. After ~1966, quality declined rapidly. Shipping from 19380 for free in the USA, and no PP fee.
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