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NOS KEN-RAD 6SN7-GT VT-231 Ken Rad BLACK BASE MATCHED PAIR



 
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LOW NOISE KEN-RAD 6SN7GT / VT-231 Ken Rad BLACK BASE MATCHED PAIR - CLEAR GLASS - BLACK "STAGGERED" PLATES copper grid posts with bottom D-getter


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Product Code: KEN-6SN7GT-VT231
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LOW NOISE KEN-RAD 6SN7GT / VT-231 Ken Rad BLACK BASE MATCHED PAIR - CLEAR GLASS - BLACK "STAGGERED" PLATES copper grid posts with bottom D-getter

These appear to be NOS because the tops are clear with NO mirror flashing marks, like when these tubes are NEW!

BOTH TUBES ARE MADE BY THE SAME FACTORY AND HAVE THE SAME EXACT INNER CONSTRUCTION.
ONE LABELED KEN-RAD AND ONE LABELED GE.

Tube 1: 3,000/3,000 and 8.1mA/8.3mA ( 2,600/2/600 Gm = 100%)
VT-231 labelled GE (code 8-39)

Tube 2: 2,400/2,400 and 8.6mA/7.8mA ( 9.0mA/9.0mA Gm = 100%)
VT-231 labelled Ken-Rad (code E5)

When The United States Navy, New York had their 6SN7 made for their amps, they specified the copper grid posts, staggered plates and DEFLECTION SHIELDS only! These STAGGERED PLATES are designed to "deflect" unwanted electron bombardment to prevent cathode-poisioning. They work as a deflector-shield and help the tube achieve its correct operation point and last longer and operate cooler.

Recommended for:

- Deja Vu Audio Type 45 amp
- Cary preamps and amps
- Singlepower
- Ultraverve
- Supratek
- Wheatfield HA-2 headphone
- Cary
- Rogue
- Canary Audio


These tubes are "PROFESSIONAL SPECIAL QUALITY" Premium Quality Amplitrex Digitally Tested Audio tubes

The USA made 6SN7's are the best sounding tubes and are increasingly hard to find, new or used, in a low-noise condition.

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