sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile
sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile
sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile
sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile
sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile
sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile

sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, audiophile


S$80
Singapore

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sylvania vt229 6sl7gt U.S joint army navy 1940's strong pair--$80 test results--55/56, 56/58 http://s1076.photobucket.com/user/llczxjlpolsy/library/sylvania%20vt229%206sl7gt%20US%20joint%20army%20navy%201940s?sort=3&page=1 Dynamic, added top and bottom...wide...wide soundstage. tubes are tested on tv-7A/U tube tester use by U.S army and airforce where minimum good for 6sl7 vt229 is 32/32, where 50/50 and above are average new old stock for 6sl7 interest call--91454638-wilson/ wilsonzxjtube@gmail.com overseas and local registered postage services are available


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