Join our mailing list!

  Home > More Tubes >


Alternative Views:

You save $90.95!

Availability:: Usually Ships in 24 Hours
Product Code: SYL-6SN7GTA

6SN7-GTA 1950'S NOS Available "NEW OLD STOCK" USA SYLVANIA 6SN7GT "BLACK-PLATE" 3-STAPLE HOLE "FAMOUS CHROME-TOP" AUDIO TUBES Excellent lush sounding, very rare blackplates from the USA, same tube construction was made for the United States Military but labeled VT231 WITH THE FLAT-PLATE DESIGN. These rival the RCA 5692 redbase in sound and black-plate construction quality, and are as scarce. Sylvania labels, the construction of these are ENGINEERED VERY WELL AND NEVER TO BE MADE AGAIN!. VERY difficult to find these in PERFECT 3,000/3,000+ tubes! (+/- 5%) SELECT 1 for 1 Matched Pair SELECT 2 for a Matched QUAD SELECT 4 for a Matched Octet BEAUTIFUL LIQUID-CHROME SONIC HOLOGRAPHY Sub-bass (10Hz - 60Hz) CHECKED & PASSED Mid-bass (80Hz - 200Hz) CHECKED & PASSED Midrange (200Hz - 3,000Hz) CHECKED & PASSED High-frequencies (3,000Hz on up) CHECKED & PASSED Rarely do you see such a fine tube pair with THICK-MASSIVE-CHROME-TOPS and Perfect Specifications! Greater than 100%! 1950's SYLVANIA 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 amp! Recommended for: Rogue Audio 99 Magnum, Cary SLP-05, 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 KRAFT-BROWN BOXES - tubes are from a MASTER-CASE of 100 from the Military.

Share your knowledge of this product with other customers... Be the first to write a review

Browse for more products in the same category as this item:

More Tubes
Preamplifier Tubes