1 NOS Black Plate Sylvania 6L6G 6L6 Vacuum Tube Tested

1 NOS Black Plate Sylvania 6L6G 6L6 Vacuum Tube Tested

1 NOS Vintage Green Label Black Plate Sylvania 6L6G 6L6 Vacuum Audio Output Amp tube. Features: Black Plate USA Tube

Why buy from us? Our Core Values: Honesty, Transparency and Customer Service! 100% Positive Feedback, please read our customer's comments Fast Shipping! We try to ship the next possible shipping day after payment is received. Packaging: Tubes are well padded inside a sturdy cardboard box with many Glass "Handle With Care" stickers Inexpensive Shipping, please compare our rates! On request we will combine your multiple purchases into one low cost shipment to save you money. Just send us a note. Test results Calibrated Hickok 539B Test Results Tube Type / Model 6L6G (6L6) Manufacturer Sylvania Green Label Getter Location / Style Bottom - D-Getter Plate Color Black Plate Date Code 818 Shorts & Gas Test Passed Mutual Conductance (gm)
Plate Current (ma) 5500gm
BAD WEAK GOOD NOS Minimum Good* = 3300 Average New* = 5000
* Hickok "Minimum Good" and "Average New" specifications for the 6L6G (6L6) tube type

Advantages that we offer here at Vintage Amp and Radio Tubes:
We buy in bulk and pass the savings on to you We leverage a network of tube buyers from across the country. We have thousands and thousands of

Our simple warranty:
We believe each tube should have an appropriate warranty, regardless if it is used, NOS or NIB, we do not sell as-is. If you are not delighted with your purchase, let us know within 30 days after we ship and we will authorize the return of the tube. We may be able to provide another tube from our large inventory - your choice. To improve our quality, we would like to understand the reason for the return, but it is not a requirement.
Returns must be the same item and include the original box in the same condition (if applicable). The item must be packed with the same care and use the original packaging materials. Purchaser must pay return shipping fees. When we receive the return, we will refund your purchase price (excluding original shipping fees) within 72 hours. We want you to be happy with your purchase, and will work with you if you have any concerns or problems.Please contact us to work out a mutually beneficial solution before writing negative feedback.

We pride ourselves on being honest and transparent in our ads. The tubes we sell have been tested. The following information is to educate you on our tube testing equipment and to assure you that our test equipment is calibrated.
Life is a constant upgrade. Here at Vintage Amp and Radio Tubes we recently upgraded our test equipment. We have added a Mint Hickok 539B Laboratory Grade Tube tester to our Tube Testing arsenal. With this tester we feel that we can be even more transparent in the quality the tubes we offer. This tester was recently cleaned and calibrated. To verify this calibration we have included a photo essay showing our calibration validation test. This test was performed on July 24th 2009 using a 6L6 Hickok 5000gm Calibration Tube as a reference point. We set the tester to the specified settings and the results were 5100gm from our 5000gm tube. This is 98% and is well within the 5% accuracy level with any tube tester out there. We even included a picture of the NY Times to prove the date (July 24, 2009) when this calibration test was performed. Saw that in an old movie :) Here is a link to the Full Resolution Picture of this calibration validation test. We wanted to clearly show that the Line Level,...
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