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SYLVANIA NOS 6SN7GT 6SN7 LowNoise Matched BLACK PLATE Tubes 1940 for Cary SLP 05
SYLVANIA NOS 6SN7GT 6SN7 LowNoise Matched BLACK PLATE Tubes 1940 for Cary SLP 05


 
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Product Code: SYL-6SN7GT
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Description
 
1940's LIKE OUT OF A TIME-CAPSULE! (N.O.S.) New Old Stock 6SN7GT Dual Triode Perfect Matched Pair. Recommended for: Mikhail Rotenberg’s Singlepower Audio massive SDS XLR amplifier or Cary Audio SLP 05

Last "TROPHY" PERFECT MUSEUM PAIRS or QUAD or OCTET available!
"NEW OLD STOCK "USA SYLVANIA 6SN7GT = SAME AS VT-231 WWII BLACK-PLATE 2 STAPLE HOLE "FAMOUS VT-231" AUDIO TUBES, excellent lush
sounding, very rare blackplates from the 1940's USA, identical same tube construction was made for the United States Military labeled VT231.

These TRUMP the RCA 5692 redbase in sound and black-plate construction quality, and are as scarce. Beautiful Sylvania labels, the construction of these to me look to be ENGINEERED VERY WELL AND NEVER TO BE MADE AGAIN!.

IMPOSSIBLE TODAY to find these in PERFECT 3,000/3,000 +/- tubes from 1940's that were never used and testing perfect - SO DON'T SAY I DIDN'T TELL YOU WE JUST FOUND THEM IN LOST TUBE MUSEUM STOCK behind a wall of boxes!

These look like they came out of a "1940's WWII time-capsule" or the Bermuda -Triangle time-warp! WOW!

Here is the pair(s) of NEW OLD STOCK 1940's SYLVANIA 6SN7GT BLACK-PLATE 2-STAPLE HOLE AUDIO TUBES, excellent lush sounding, very rare blackplates from the 1940s, same tube construction was made for the United States Military but labeled VT231. These rival the RCA 5692 redbase in sound and black-plate construction quality, and are as scarce. 1940's War II Era, the construction of these to me look identical to the "Bad Boy" type. VERY difficult to find these in matched pairs! Click on the test pictures and see the phenomenal results, there are pictures of the test results, one picture for each triode or section of the tube. Results 2 is "side 1", Results 1 is "side 2" of each tube. Perfect!..."

ACTUAL PICTURES AND TEST MEASUREMENTS OF THE TUBES YOU WILL RECEIVE

AMPLITREX AT-1000 DIGITALLY TESTED SYLVANIA 1940's 6SN7-GT MATCHED PAIR

SELECT ONE (1) FOR A PAIR or TWO (2) FOR THE QUAD!

New Old Stock 1940's SYLVANIA 6SN7GT

Dual Triode Perfect Matched Pair

BLACK-PLATES

BOTTOM-SQUARE-GETTERS

SYLVANIA NOS BLACK PLATE 6SN7GT BALANCED MATCHED PAIR Perfect Matched Pair

Recommended for:
Mikhail Rotenberg’s Singlepower Audio massive SDS XLR amplifier.

Cary Audio SLP 05

SEVENTY-FIVE (75) YEAR-OLD AUDIO TUBES WITH EXCELLENT VACUUM AND TEST RESULTS
Superior BLACK-PLATES designed for critical applications where 10,000 hour life, close triode section balance, rigid construction and stability are required.

RECOMMENDED FOR:

- Mikhail Rotenberg’s Singlepower Audio massive SDS XLR amplifier.
- Cary Audio SLP 05
- Cary SLP 88
- Cary 805M amps
- Cary 300 SEI
- Mastersound 845 monoblock 2008
- Audio Note M2 preamp
- Aesthetix

10,000 hour low noise Matching Platinum Pair for a 6SN7 CLASS PREAMP

ACTUAL PICTURES AND TEST MEASUREMENTS OF THE TUBES YOU WILL RECEIVE

BEAUTIFUL LIQUID SONIC HOLOGRAPHY

Rarely do you see such a fine NOS tube pair with Perfect Specifications:

PAIR 1: 3,000/3,000 ( 115%/115%) SOLD!

PAIR 2: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 3: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 4: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 5: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 6: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 7: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 8: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 9: 3,000/3,000 ( 115%/115%) AVAIL

PAIR 10: 3,000/3,000( 115%/115%) AVAIL

SELECT ONE (1) FOR A PAIR

ALL PAIRS test a perfect 3,000/3,000 ( 115%/115% ) and all between 8.0+ mA to 10.0mA which is the HIGHEST we've ever seen!

9.0mA and 2.600 GM (2.60mA/V) = 100%

Great 1940's USA tube now extinct in NOS or NOS condition! Made specifically for audio in the 1940's and early 1950's

ACTUAL PICTURES AND TEST MEASUREMENTS OF THE TUBES YOU WILL RECEIVE

Superior designed for critical industrial applications where 10,000 hour life, close triode section balance, rigid construction and stability are required. 6SN7GT BLACK-PLATES were also labelled and synonymous to VT-231

Bottom-square getters and BLACK BASE "BLACK PLATES"
1940's SYLVANIA BLACK PLATE 6SN7GT PERFECT BALANCED MATCHED PAIR
Superior BLACK-PLATE designed for critical industrial applications where 10,000 hour life, close triode section balance, rigid construction and stability are required.

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