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6SN7-GT 1950'S USED LOW-NOISE BLACK PLATE PAIR with "D" Getters: (Both tubes have identicle inner construction, D-Getters, copper-postsBlack-Plates,
& [6SN7 GT] in RCA stop-sign brackets on tube.
tube 1: 2,600/2,600 ( 2,600/2/600 Gm = 100%) code 54-20 = 20th week of 1954 labeled GUARANTEED ELECTRON TUBE
tube 2: 2,800/2,800 code 39-4 = 39th week of 1954 labeled RCA
price $125.00 pair
1950's RCA BLACK-PLATES are very coveted, esoteric, musical, detailed, quiet, smooth, accurate, with good bass, mid, & high frequency sound reproduction, a phenominal 6SN7 that will perform miracles for your preamp!
Recommended for:
Rogue Audio 99 Magnum, Cary SLI-80, Atma-Sphere amps, DeHavilland preamp, Audio Aero Prestige mono amps
Audio Note 300B amp, Antique Sound Lab Flora EX - DT, Singlepower PPX3-SLAM, Aesthetix Calypso, CJ MV55
Cary SLP-05 preamp, Yaqin MS-34C, Modwright Sony 5400ES, Oppo/Modwright BDP-95, and more ... comes in white box or substitute box.
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