Sylvania VT - 231 JAN - CHS - 6SN7GT 2 - Hole " BAD BOY " Tubes PLATINUM MATCHED On AT1000
Item History & Price
| Reference Number: Avaluer:17846978 | Model: VT-231 |
| MPN: 07-08028 / 08-21035 | Country/Region of Manufacture: United States |
| Brand: Sylvania | Type: Preamp Tubes |
| UPC: Does not apply |
Sylvania VT-231 JAN-CHS-6SN7GT Mil Spec PairGM = NOS / EM = NOSPlatinum Matched on AT1000 - SEE SPECS BELOWThis beautiful pair of new/unused VT-231 is a rare find. Original Boxes are included and white boxes with tube information provided as well. This is a pair of tubes that are well balanced and matched well within 5% for GM & EM. Thoroughly tested on an AT1000 and Guaranteed.Please Read My Feedback and Buy with ConfidenceI Stand Behind Everything I Sell
AMPLITREX AT1000 ...Test Results Mutual Conductance2600 = SPECEmissiongV 8.0 = SPECNoiseTestGas & ShortsTUBE #1 2750/2760 (105.8/106.2%) 8.0/7.9 (100.0/98.8%)3/3PASSTUBE #2 2700/2700 (103.8/103.8%) 8.1/8.0 (101.3/100.0%)4/4PASSTUBE #3N/AN/A N/AN/ATUBE #4N/AN/AN/A N/ABalance (Balance Goal = Mhos < 5% / Gv < 10%)Tube 1: A to B = Mhos - 0.4% Gv - 1.3%Tube 2: A to B = Mhos - 0.0% Gv - 1.3%Match (Tube 1 to Tube 2) (Match Goal = Mhos < 5% / Gv < 10%)Tube 1A to 2A = Mhos - 1.9% Gv - 1.3%Tube 1B to 2B = Mhos - 2.3% 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...
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, Precision 612 and Eico 667... 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 = SPECEmissiongV 8.0 = SPECNoiseTestGas & ShortsTUBE #1 2750/2760 (105.8/106.2%) 8.0/7.9 (100.0/98.8%)3/3PASSTUBE #2 2700/2700 (103.8/103.8%) 8.1/8.0 (101.3/100.0%)4/4PASSTUBE #3N/AN/A N/AN/ATUBE #4N/AN/AN/A N/ABalance (Balance Goal = Mhos < 5% / Gv < 10%)Tube 1: A to B = Mhos - 0.4% Gv - 1.3%Tube 2: A to B = Mhos - 0.0% Gv - 1.3%Match (Tube 1 to Tube 2) (Match Goal = Mhos < 5% / Gv < 10%)Tube 1A to 2A = Mhos - 1.9% Gv - 1.3%Tube 1B to 2B = Mhos - 2.3% 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...
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, Precision 612 and Eico 667... 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...
