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6SL7 RCA Black Round Plate Base Dual Triode Matched SEXTET 1950's w/. SYLVANIA 6SN7GTA PAIR
6SL7 RCA Black Round Plate Base Dual Triode Matched SEXTET 1950's w/. SYLVANIA 6SN7GTA PAIR


 
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Product Code: VT229_RCA_SEXTET-SYLV_6SN7GTA
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Description
 
Best 6SL7GT RCA Black Round Plate Base Dual Triode Matched Sextet (6 tubes) from the 1950's

Same tube as the VT-229 but labeled RCA, GE, Emerson, etc.

All same inner construction made by RCA and as displayed in actual pictures.

Amplitrex Test Measurements:

2.4/2.4mA GE label 45D3
2.4/2.3mA RCA label 1-7
2.4/2.2mA Emerson label 6-39
2.4/2.2mA GE label 45D3
2.3/2.2mA RCA Seeburg label 6343
2.3/2.1mA RCA label 8-48

2.3/2.3 = 100%

10,000 hour low noise 6SL7GT

6SL7GT RCA BLACK BASE "BLACK PLATES"

- EAR Yoshino HP4
- WES - WooAudio Electrostatic Headphone Amplifier
- Jule Amps Brenda K. Head 23W Guitar Amplifier
- Brenda K. is a dual rectifier, dual 6V6 output amplifier
- Midnight Special 112 Combo

Rarely do you see such a fine RCA 6SL7-GTA tube Sextet from 1950's

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 TRIANGE-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!

tube 1: 3,200/3,100 code BD
tube 2: 3,000/3,000 code 352

BEAUTIFUL LIQUID-CHROME SONIC HOLOGRAPHY

Rarely do you see such a fine tube pair with THICK-MASSIVE-CHROME-TOPS and Perfect Specifications

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 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 ...

Rarely do you see such a fine SYLVANIA 6SN7-GTA tube Pair from 1950's
Average Customer Review: 5 of 5 Total Reviews: 1 Write a review.


  0 of 0 people found the following review helpful:
 
The tubes are simply magic. October 31, 2013
Reviewer: Anonymous Person from Bogangar, Australia  
Dear Mark,
I wish to inform you that your Tubes arrived in the Post yesterday, within hours of my request for a Tracking #.
I must tell you I am extremely impressed.
Your packaging is perfect , your service is impeccable.
The method of delivery is perfect.
The tubes are simply magic.
I have fairly high standards and you have come to the party on all levels.
Please let me know as soon as you have KT88's and GZ34 of the same vintage and quality , or equivalent.
warm regards and sincere thanks,
edwin

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