Sylvania 6SN7W SHORTY - EXTREMELY RARE TUBES - PLATINUM MATCHED On AT1000 See Specs
Item History & Price
| Reference Number: Avaluer:1170297 | Model: 6SN7W "Military Spec" |
| MPN: 04-29001/04-29002 | Country/Region of Manufacture: United States |
| Brand: SYLVANIA | Type: Preamp Tubes |
| UPC: Does not apply |
*** Sylvania 6SN7W Extremely Rare Shorty Pair ***Platinum Matched Pair on AT1000: uMhos= 2.7% : Emission= 2.5%The Sylvania 6SN7W appeared just after the Nickel Base 6SN7W which was Sylvania's 1st 6SN7... Considered by many to be a "Holy Grail" tube, they do sound incredible. Black parallel 2-Hole plates, beefy support rods and heavy chrome dome getter flashing. This pair is an extremely rare very early generation "6SN7W". This is a "W" so it has been ruggedized for Military use......Please Read My Feedback and Buy with ConfidenceI Stand Behind Everything I Sell
Amplitrex AT1000 Test Results Mutual Conductance2600 = SPECEmission8.0gV = SPECNoiseTestGas & ShortsTUBE #12670/2600 (102.7/100.0%) 7.9/7.8 (98.8/97.5%)4/5 PASSTUBE #2 2600/2580 (100.0/99.2%) 7.7/7.9 (96.3/98.8%) 5/4PASSTUBE #3N/AN/A N/AN/ATUBE #4N/AN/AN/A N/ABalance (Balance Goal = Mhos > 5% / Gv > 10%)Tube 1: A to B = Mhos - 2.7% Gv - 1.3%Tube 2: A to B = Mhos - 0.8% Gv - 2.5%Match (Tube 1 to Tube 2) (Match Goal = Mhos > 5% / Gv > 10%)Tube 1A to 2A = Mhos - 2.7% Gv - 2.5%Tube 1B to 2B = Mhos - 0.8% Gv - 1.3%Microphonics Test Scale: 5 = Ultra Low; 4 = Very Very Low; 3 Very Low
BULLz TUBEz
About BULLzTUBEz:I've been an Audiophile for over 50 years, 2 time National Champion in Car Audio and owned a chain of Car Stereo Stores... I have a massive collection of vacuum tubes specializing in mostly esoteric tubes but we have just about any tube you need. Just check the store for the listed inventory. If you have a request just send a message to NOVA.76 through the eBay messaging system...
We stand behind everything we sell... Our goal is to "Create a Positive Experience"... It starts with you, "The Customer"!!!
About our TUBEz:All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise). All our tubes are tested thoroughly on an Amplitrex AT1000... Our backup tube testers are a Hickok 752A and Hickok TV-10D/U... I WILL NOT GUARANTEE THAT OUR READINGS WILL MATCH YOUR READINGS...
About Our Rating System:
NIB: New in Original or White BoxNOS: New Old Stock (given to tubes that meet or exceed factory values)UTS: Used Tube Tests StrongUTG: Used Tube Tests Good
Warranties:Used or vintage items are sold as is with no warranty beyond the description and photographs provided on the listing. Returns will NOT be accepted for reasons such as: ordered the wrong item, changed mind, not what I thought it was, wrong color ordered, wrong item ordered or tube readings don't match my tester. Any exceptions are on a case by case basis...
Shipping:Domestic Shipping to the continental United States will be by the US Postal Service (USPS) including free tracking. Some items listed will ship free and will be clearly listed as "free Shipping". Items not listed as free shipping will be for the cost of packaging plus shipping only, no extra charge will be added to the USPS fee.
INTERNATIONAL BUYERS PLEASE CHECK THE SHIPPING CHARGES PRIOR TO BIDDINGInternational Shipping will be offered for select items and will be clearly identified in the listings Shipping & Payment tab. Shipping will be by the "Global Shipping Program" (GSP) and be made available as a shipping option at check-out. Shipping costs from item location to the U.S. Shipping Center will be the same as the domestic shipping described above & shipping costs to international locations will be paid by the buyer. The shipping and handling cost will be clearly identified at check-out. The international shipping charges and import fees are established by the Global Shipping Program and cannot be adjusted. THERE ARE NO RETURNS ON INTERNATIONAL SHIPPING, apart from the exceptions as dictated by eBay...
Amplitrex AT1000 Test Results Mutual Conductance2600 = SPECEmission8.0gV = SPECNoiseTestGas & ShortsTUBE #12670/2600 (102.7/100.0%) 7.9/7.8 (98.8/97.5%)4/5 PASSTUBE #2 2600/2580 (100.0/99.2%) 7.7/7.9 (96.3/98.8%) 5/4PASSTUBE #3N/AN/A N/AN/ATUBE #4N/AN/AN/A N/ABalance (Balance Goal = Mhos > 5% / Gv > 10%)Tube 1: A to B = Mhos - 2.7% Gv - 1.3%Tube 2: A to B = Mhos - 0.8% Gv - 2.5%Match (Tube 1 to Tube 2) (Match Goal = Mhos > 5% / Gv > 10%)Tube 1A to 2A = Mhos - 2.7% Gv - 2.5%Tube 1B to 2B = Mhos - 0.8% Gv - 1.3%Microphonics Test Scale: 5 = Ultra Low; 4 = Very Very Low; 3 Very Low
BULLz TUBEz
About BULLzTUBEz:I've been an Audiophile for over 50 years, 2 time National Champion in Car Audio and owned a chain of Car Stereo Stores... I have a massive collection of vacuum tubes specializing in mostly esoteric tubes but we have just about any tube you need. Just check the store for the listed inventory. If you have a request just send a message to NOVA.76 through the eBay messaging system...
We stand behind everything we sell... Our goal is to "Create a Positive Experience"... It starts with you, "The Customer"!!!
About our TUBEz:All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise). All our tubes are tested thoroughly on an Amplitrex AT1000... Our backup tube testers are a Hickok 752A and Hickok TV-10D/U... I WILL NOT GUARANTEE THAT OUR READINGS WILL MATCH YOUR READINGS...
About Our Rating System:
NIB: New in Original or White BoxNOS: New Old Stock (given to tubes that meet or exceed factory values)UTS: Used Tube Tests StrongUTG: Used Tube Tests Good
Warranties:Used or vintage items are sold as is with no warranty beyond the description and photographs provided on the listing. Returns will NOT be accepted for reasons such as: ordered the wrong item, changed mind, not what I thought it was, wrong color ordered, wrong item ordered or tube readings don't match my tester. Any exceptions are on a case by case basis...
Shipping:Domestic Shipping to the continental United States will be by the US Postal Service (USPS) including free tracking. Some items listed will ship free and will be clearly listed as "free Shipping". Items not listed as free shipping will be for the cost of packaging plus shipping only, no extra charge will be added to the USPS fee.
INTERNATIONAL BUYERS PLEASE CHECK THE SHIPPING CHARGES PRIOR TO BIDDINGInternational Shipping will be offered for select items and will be clearly identified in the listings Shipping & Payment tab. Shipping will be by the "Global Shipping Program" (GSP) and be made available as a shipping option at check-out. Shipping costs from item location to the U.S. Shipping Center will be the same as the domestic shipping described above & shipping costs to international locations will be paid by the buyer. The shipping and handling cost will be clearly identified at check-out. The international shipping charges and import fees are established by the Global Shipping Program and cannot be adjusted. THERE ARE NO RETURNS ON INTERNATIONAL SHIPPING, apart from the exceptions as dictated by eBay...
