Welcome to JNS Vintage Radios and Tubes Vintage Vacuum Tube General Electric6L6GB Description: The GE 6L6GB is a 6-pin octal base tube with a rectangle getter, black plate, tight base with no cracks, and clean pins. Test Results: The GE 6L6GB was tested using our Triplett 3413B tester.Test reads: 75%.Test shows no shorts or grid emissions. Comments: Clean GE 6L6GB. Nice Silver. Code: 58-13/188-5. Used in vintage amp-mixers, pre-amps, vintage radios and record players. Visit Our Store@https://www.ebay.com/str/jnsvintageradioandtubes 60-Day Free Return. JNS Vintage Radio is a veteran owned store supporting The Wounded Warrior Project. Your purchase helps support this organization. Proud Members of the California Historical Radio Society.______________________________________________________________________________________________General Info: Please read the listing in its entirety to understand what you are purchasing.If any information is unclear, its better to ask questions now than to have a return. JNS Vintage Radios and Tubes aims to be as accurate as possible when describing and testing radios and tubes. However, we are not experts in all Antique/Vintage Radios, Electronic Equipment and Vacuum Tubes. If you see an error, please contact us thru the eBay messaging system so we may correct the listing. Our vacuum tubes are inspected and tested on our newly rebuilt/calibrated Hickok 539B tester. The 539B is one of the best Hickok Testers. Each tube is cleaned and allowed to warm-up for 90 seconds prior to actual testing. Tubes are tested for quality, life, grid emissions and shorts. No tube is offered for sale that tests below the min number given. We also use our Triplett 3413B as a backup tester. Please note that all tube testers are not created equal, and your tester may show a higher or lower test result than our test equipment. All tubes are wrapped in bubble wrap, packed with peanuts and shipped in a sturdy cardboard box to protect it during transit. All antique and vintage radios are cleaned and tested when possible. Well provide an accurate description of the condition within the listing based on our findings. If you find an error or omission, please send us a message thru eBays message system. We now offer restored/repaired chassis by Bob Kelly Radio Restorations here in the Sierra. Bob has over 45 years as an electronics technician in the communications industry and has provided quality radio restorations for many years. Radios are wrapped in bubble wrap and packed with peanuts and when necessary, squares of Styrofoam used to protect glass dials, knobs and switches. A word on shipping:JNS Vintage Radios and Tubes uses the United States Postal Service for the majority of our shipments both in the US and Internationally. We employ the eBay shipping calculator to estimate shipping costs. We do not charge a handling fee unless the item is heavy and requires additional attention such as double boxing or needing a shipping crate built.The majority of our shipments use First Class Mail for vacuum tubes and Priority Mail for larger items which provides tracking and insurance. We also use Fed Ex as needed to help save you money. Please contact us should you desire another shipping service. While the eBay shipping calculator is usually accurate, but not always, It is our policy to refund any excess shipping after the item has shipped. Need a firm shipping quote? Contact us. All taxes and duties for international shipments are the responsibilities of the buyer. Please contact your local Customs or Import Authorities. A word regarding returns:If you receive your item and it is damaged. Please contact us first. We want you to be satisfied with your purchase and we work diligently to ensure concerns are resolved fairly, promptly and to your satisfaction. Communication is the key to a successful return. We are proud of our feedback profile maintaining a 100% satisfaction rate since 2014.Returns will be excepted on all tubes and radios unless otherwise specified in the listing description.Returns must be in the original packaging and must have a tracking number assigned. Delivery signature is not required. If the item has been damaged through shipping, please contact us first on how to proceed. This crucial step protects both the buyer and seller and ensures that claims get approved fast and quickly paid. There are no returns authorized on Untested Parts or Parts or Repair items. These items are purchased AS IS and will be stated in the listing description. JNS Vintage Radios and Tubes thanks you for visiting our store and allowing us to provide you quality tubes and vintage radios. Track Page Views WithAuctivas Counter

SYLVANIA, Made in USAJAN CHS 6L6GA Valve TubeJAN Military SpecDimpled Foil GetterFully Tested on AVO VCM 163Ia 58 - Gm 5.3Used, Supplied in White Box

SYLVANIA, Made in USAJAN CHS 6L6GA Valve TubeJAN Military SpecFoil GetterFully Tested on AVO VCM 163Ia 86 - Gm 5.4Used, Supplied in White Box

SYLVANIA, Made in USAJAN CHS 6L6GA Valve TubeJAN Military SpecFoil GetterFully Tested on AVO VCM 163Ia 99 - Gm 5.9Used, Supplied in White Box

Welcome to JNS Vintage Radios and Tubes Vintage Vacuum Tube General Electric6L6GB Description: The GE 6L6GB is a 6-pin octal base tube with a rectangle getter, black plate, tight base with no cracks, and clean pins. Test Results: The GE 6L6GB was tested using our Triplett 3413B tester.Test reads: 75%.Test shows no shorts or grid emissions. Comments: Clean GE 6L6GB. Nice Silver. Code: 58-13/188-5. Used in vintage amp-mixers, pre-amps, vintage radios and record players. Visit Our Store@https://www.ebay.com/str/jnsvintageradioandtubes 60-Day Free Return. JNS Vintage Radio is a veteran owned store supporting The Wounded Warrior Project. Your purchase helps support this organization. Proud Members of the California Historical Radio Society______________________________________________________________________________________________General Info: Please read the listing in its entirety to understand what you are purchasing.If any information is unclear, its better to ask questions now than to have a return. JNS Vintage Radios and Tubes aims to be as accurate as possible when describing and testing radios and tubes. However, we are not experts in all Antique/Vintage Radios, Electronic Equipment and Vacuum Tubes. If you see an error, please contact us thru the eBay messaging system so we may correct the listing. Our vacuum tubes are inspected and tested on our newly rebuilt/calibrated Hickok 539B tester. The 539B is one of the best Hickok Testers. Each tube is cleaned and allowed to warm-up for 90 seconds prior to actual testing. Tubes are tested for quality, life, grid emissions and shorts. No tube is offered for sale that tests below the min number given. We also use our Triplett 3413B as a backup tester. Please note that all tube testers are not created equal, and your tester may show a higher or lower test result than our test equipment. All tubes are wrapped in bubble wrap, packed with peanuts and shipped in a sturdy cardboard box to protect it during transit. All antique and vintage radios are cleaned and tested when possible. Well provide an accurate description of the condition within the listing based on our findings. If you find an error or omission, please send us a message thru eBays message system. We now offer restored/repaired chassis by Bob Kelly Radio Restorations here in the Sierra. Bob has over 45 years as an electronics technician in the communications industry and has provided quality radio restorations for many years. Radios are wrapped in bubble wrap and packed with peanuts and when necessary, squares of Styrofoam used to protect glass dials, knobs and switches. A word on shipping:JNS Vintage Radios and Tubes uses the United States Postal Service for the majority of our shipments both in the US and Internationally. We employ the eBay shipping calculator to estimate shipping costs. We do not charge a handling fee unless the item is heavy and requires additional attention such as double boxing or needing a shipping crate built.The majority of our shipments use First Class Mail for vacuum tubes and Priority Mail for larger items which provides tracking and insurance. We also use Fed Ex as needed to help save you money. Please contact us should you desire another shipping service. While the eBay shipping calculator is usually accurate, but not always, It is our policy to refund any excess shipping after the item has shipped. Need a firm shipping quote? Contact us. All taxes and duties for international shipments are the responsibilities of the buyer. Please contact your local Customs or Import Authorities. A word regarding returns:If you receive your item and it is damaged. Please contact us first. We want you to be satisfied with your purchase and we work diligently to ensure concerns are resolved fairly, promptly and to your satisfaction. Communication is the key to a successful return. We are proud of our feedback profile maintaining a 100% satisfaction rate since 2014.Returns will be excepted on all tubes and radios unless otherwise specified in the listing description.Returns must be in the original packaging and must have a tracking number assigned. Delivery signature is not required. If the item has been damaged through shipping, please contact us first on how to proceed. This crucial step protects both the buyer and seller and ensures that claims get approved fast and quickly paid. There are no returns authorized on Untested Parts or Parts or Repair items. These items are purchased AS IS and will be stated in the listing description. JNS Vintage Radios and Tubes thanks you for visiting our store and allowing us to provide you quality tubes and vintage radios.

Vintage Sylvania 6L6GA Power Vacuum Tube Amplifier Radio Valve Tested!. You will receive the exact same tube that you see in the photos. You can be rest assured that your item will be packaged for protection in transit to you utilizing proper boxes, foam roll and bubble wrap when necessary. Check out our store for many other types of tubes and please make sure to follow us as we will be adding more weekly. Peace ????? of mind promise that will make you Smile ; ) Multipoint Inspection and cleaning ; ) ?We know how important it is for your products to arrive cleaned and fully functioning according to our photos and description. All of our products are cleaned and sanitized prior to being introduced to our customers. We take the time to gather the data from all of our products with running rigorous test on all of our electronics to ensure they are accurately represented, wether it is fully function, or it is being sold as is and not working as stated in the description. Some products may be refurbished @ Deals2Smile4 Headquarters that we will note in detail of what services that were performed. Shipping ; ) ?We will guarantee professional shipping that will protect your items with high quality materials that include the following (based on the merchandise we are shipping and not limited to) - Heavy Duty Boxes, Protective Film, Bubble Wrap, Foam Cushions, Foam Blocks, Peanuts, Packing Paper, Bubble Mailers, Corner Guards, Double Boxing and etc. We guarantee that we will have your items shipped on time, and if for some reason your item is hung up somewhere or tracking is not updating for some reason, please feel free to reach out so we can find the answers together. If your package/box arrives and it appears to be damaged physically or by sound, please reach out to us immediately and take photos of the packaging so we are able address the situation with the postal service right away. It is very important to us that your package arrives to you safe and sound ; ) Recycle ?? ?We strive do our very best at doing our part when it comes to repurposing and recycling with materials for shipping our products. We may at times use news paper, magazine pages, paper, random branded boxes, foam cut outs and etc. The good thing is, we will NEVER sacrifice the quality of the shipping and handling! We want all of our wonderful customers to ALWAYS smile ???? when they open their purchased products. Return Policy : ) ?We guarantee that all of our products are always listed with the 100% intent of being as accurate as we possibly can. There is always a possibility of a typo or a an error that can potentially be made on our end without the intent of doing so. We are in the business of making it right for our customer and will always do everything possible to ensure we fulfill our promise of standing behind our products and how they are described with photos and descriptions. Please refer to your particular item you are purchasing for the return policy that would either be; No Returns Accepted or a 30 Day Return Policy with buyer paying for return shipping if item was accurately described. If item is not functioning or not as described, please reach out prior to opening a return so we are able to assist in finding a solution based on our collective findings. ???? - Feel free to reach out to us if you have any questions or if you are looking ???? for anything in particular! Thank you for choosing Deals2Smile4 : ) FOLLOW US AND GET EXCLUSIVE COUPONS!

4x 6L6ga Sylvania Tubes Strong 2 Pair Smoked Glass.

Welcome to JNS Vintage Radios and Tubes Vintage Vacuum Tube General Electric1958 6L6GB Description: The GE 6L6GB is a 6-pin octal base tube with a rectangle getter, black plate, tight base with no cracks, and clean pins. Test Results: The GE 6L6GB was tested using our Triplett 3413B tester.Test reads: 75%.Test shows no shorts or grid emissions. Comments: Clean GE 6L6GB. Nice Silver. Code: 58-13/188-5. Used in vintage amp-mixers, pre-amps, vintage radios and record players. Visit Our Store@https://www.ebay.com/str/jnsvintageradioandtubes 60-Day Free Return. JNS Vintage Radios and Tubes will gladly combine shipping to save you money! Proud Members of the California Historical Radio Society______________________________________________________________________________________________General Info: Please read the listing in its entirety to understand what you are purchasing.If any information is unclear, its better to ask questions now than to have a return. JNS Vintage Radios and Tubes aims to be as accurate as possible when describing and testing radios and tubes. However, we are not experts in all Antique/Vintage Radios, Electronic Equipment and Vacuum Tubes. If you see an error, please contact us thru the eBay messaging system so we may correct the listing. Our vacuum tubes are inspected and tested on our newly rebuilt/calibrated Hickok 539B tester. The 539B is one of the best Hickok Testers. Each tube is cleaned and allowed to warm-up for 90 seconds prior to actual testing. Tubes are tested for quality, life, grid emissions and shorts. No tube is offered for sale that tests below the min number given. We also use our Triplett 3413B as a backup tester. Please note that all tube testers are not created equal, and your tester may show a higher or lower test result than our test equipment. All tubes are wrapped in bubble wrap, packed with peanuts and shipped in a sturdy cardboard box to protect it during transit. All antique and vintage radios are cleaned and tested when possible. Well provide an accurate description of the condition within the listing based on our findings. If you find an error or omission, please send us a message thru eBays message system. We now offer restored/repaired chassis by Bob Kelly Radio Restorations here in the Sierra. Bob has over 45 years as an electronics technician in the communications industry and has provided quality radio restorations for many years. Radios are wrapped in bubble wrap and packed with peanuts and when necessary, squares of Styrofoam used to protect glass dials, knobs and switches. A word on shipping:JNS Vintage Radios and Tubes uses the United States Postal Service for the majority of our shipments both in the US and Internationally. We employ the eBay shipping calculator to estimate shipping costs. We do not charge a handling fee unless the item is heavy and requires additional attention such as double boxing or needing a shipping crate built.The majority of our shipments use First Class Mail for vacuum tubes and Priority Mail for larger items which provides tracking and insurance. We also use Fed Ex as needed to help save you money. Please contact us should you desire another shipping service. While the eBay shipping calculator is usually accurate, but not always, It is our policy to refund any excess shipping after the item has shipped. Need a firm shipping quote? Contact us. All taxes and duties for international shipments are the responsibilities of the buyer. Please contact your local Customs or Import Authorities. A word regarding returns:If you receive your item and it is damaged. Please contact us first. We want you to be satisfied with your purchase and we work diligently to ensure concerns are resolved fairly, promptly and to your satisfaction. Communication is the key to a successful return. We are proud of our feedback profile maintaining a 100% satisfaction rate since 2014.Returns will be excepted on all tubes and radios unless otherwise specified in the listing description.Returns must be in the original packaging and must have a tracking number assigned. Delivery signature is not required. If the item has been damaged through shipping, please contact us first on how to proceed. This crucial step protects both the buyer and seller and ensures that claims get approved fast and quickly paid. There are no returns authorized on Untested Parts or Parts or Repair items. These items are purchased AS IS and will be stated in the listing description. JNS Vintage Radios and Tubes thanks you for visiting our store and allowing us to provide you quality tubes and vintage radios.

This new old stock-testing Sylvania 6L6GA & JAN-CHS 6L6GA gray glass matched pair output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured: Tube One: 32.7 milliamps / 2160 micromhos (Sylvania JAN-CHS-6L6GA with nifty Navy anchor stenciled on base)Tube Two: 32.2 / 2510 (Sylvania & logo 6L6GA stenciled on with code 4N; 6L6GA on glass; there is an unknown mark/symbol stenciled on base) Tubes tested with 400 volts on the plates and a bias of -48 volts. New old stock US-made 6L6s typically test with plate current from the mid-teens to mid 30s with transconductance from around 2200 micromhos. Also tested in our Jackson 648 and tubes test at 101% & 115%. Tubes have black plates, one has a bottom D getter and the other has a bottom foil D getter, top radiators, Tube One is tight on base with no debris or rattling sounds; Tube Two slightly loose on base with no debris or rattling sounds. Sound tested in our Musical Paradise shop amp (see pics). Tubes ships via United States Postal Service (USPS) Ground Advantage with tracking for domestic U.S. sale; Priority Mail is an option if you desire quicker delivery. International orders ship via eBay International Shipping. Package weighs twelve ounces (12 oz). View my eBay store for other varieties of tubes. Combined shipping always welcomed. TUBES ARE GUARANTEED GOOD AND IN WORKING ORDER AT SHIPMENT. TRANSIT VIA POST CAN DAMAGE TUBES. THIS IS NO FAULT OF OURS BUT THE THIRD PARTY ENTITY THAT IS DELIVERING ITEM(S) TO YOU, I.E, USPS, UPS, FEDEX, YOUR NATIONAL CARRIER IF INTERNATIONAL, ETC. PLEASE INSURE THEM! WE CANNOT GUARANTEE FAILURES ON YOUR EQUIPMENT AFTER POWER UP AS THERE IS NO WAY TO ASCERTAIN HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS; NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS IN TUBES THEMSELVES! THESE ARE USED VACUUM TUBES AND TIME MAY HAVE TAKEN A TOLL ON THEM OVER THE MANY YEARS SINCE THEY WERE MANUFACTURED. WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED ABOVE IN ONE OR MORE OF THE FOLLOWING EQUIPMENT WE USE FOR MEASURING: TV-7/U, JACKSON 648 & MAXI MATCHER 2.

PAIR SYLVANIA COKE BOTTLE SHAPE 6L6 OR 6L6GA vacuum tubeS TESTED ON MY HICKOK 539C TUBE TESTER MIN 3300 TEST RESULTS 1. JAN 6000 AT 38 MA2. 6000 AT 30 MA THEY BOTH HAVE BOTTOM D GETTERSONLY ONE IS JAN used. as is

6L6GA used Sylvania power output tube. The tube tests at 105%. Minimum is 68%. I will properly pack the tube for safe shipment and pay USPS postage with tracking number in the US. Same business day shipping. International shipments through US Postal International Service for actual postage cost and selling price on customs forms. 7 ounces packed weight for international.

Sylvania 6L6 GA Vacuum Tube <><><><><><><><><><><><><><><><><><><><><><><><><><>***** Tested on our proprietary tester , the E3444 Triplett. Its a Triplett 3444 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturers specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturers specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Roswell GA. ***** ********************************************************************* Industry Bogey transconductance = 6000µmhos Industry Bogey plate current = 72mA Results = 5175umhos & 61mAUSA Shipping $6 No Additional Shipping Charges All tubes Guaranteed ?????? Thank You! ?????? ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes46

2 x 6L6ga RCA Tubes Made in USA Etched codes D_4 7 B_4 Base codes M-R -H4 & H2 = 1944 Smoked Glass Ask any questions before buying, not after Tested on Enhanced Triplett E3444 Laboratory Tester by Paul Hart of Ga. 6550 micromhos @ 74 mA 5950 micromhos @ 80 mA Industry Bogey(100% or New) = 6000 micromhos @ 72mA +/- 10% The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-14.0___Volts bias or Cathode resistance*What were your tubes tested at? I do combine shipping

ONE TUBE ONLY ~ The other Tube has sold JAN CHS Sylvania 6L6GA Vacuum Tube 6795 µmhos Bogey Nib Nos Unused ONE ONLYNOT A PAIR********************************************************************************* ***** Tested on our proprietary tester , the E3444 Triplett/Westmore 501 : Its a Triplett 3444 / Westmore 501 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturers specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturers specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Roswell Ga. ***** ********************************************************************* Industry Bogey transconductance = 6000 µmhos & Industry Bogey plate current = 72 mA Results = 6590 µmhos ~ 67mA = 6795 µmhos ~ 86mA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~USA Shipping $6 ~ Higher Overseas I have many other types of tubes ~ No Additional Shipping Charges All tubes are Guaranteed ?????? Thank You! ?????? 132~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes

Wir haben deinradio! Senden Sie uns eine Nachricht Unser Shop Verkäuferprofil Bewertungen Shop speichern Kontakt Sylvania 6L6GA Röhre grey Glass geprüft top Röhrenverstärker Bitte entnehmen Sie den genauen Zustand und Lieferumfang den Bildern. Die Röhre wurde als gut geprüft. Wir bieten eine Vielzahl an alten Bastel -und Sammelobjekten an.Bitte beachten Sie, dass aufgrund des Alters keine Garantien auf die technischen Funktionen gegeben werden können.The parts are very old, we dont give any guarantee on the technical function. Zahlung Versand Kombiversand nur bei Artikeln möglich, die am gleichen Tag gekauft werden. (aus einer Auktionsrunde) DIe angepasste Rechnung erhalten Sie dann nach Auktionsende. Aufwendiger Versand (klimaneutral) mit DHL Premium in 2-welliger Kartonage und aufwendiger Polsterung! Versand größtenteils plastikfrei, 80 Prozent des Versandmaterial aus recyceltem Altpapier bzw. Second-Hand Kartonagen. WORLDWIDE SHIPPING ON REQUEST! PLEASE ASK BEFORE YOU BUY! Links Unser Shop Verkäuferprofil Bewertungen Shop speichern Kontakt Newsletter Verpassen Sie keine Angebote mehr! Wir informieren Sie über Angebote und Aktionen bequem per E-Mail. Newsletter abonnieren Kontakt Senden Sie uns eine Nachricht

You get what you see in the photos… Condition you seen in photos… Appear to be in great shape in the box… But I have no way of testing them… Check out my auction of other tubes

Hello Toredo.Were the new shop on the block! Our grade bar below will help determine the condition of this item!GRADE BAR____N____ ____E____ ___U___ ____UAI____NEW | EXCELLENT | USED | UNTESTED - AS IS This items grade: USED Whats included in this lot:2 Matched 6L6GA Tubes 6L6 Sylvania And RCA A1S3B6#92 We also offer combined shipping! Once your order is placed, well go ahead and send over a revised invoice that will allow you to A. save money on shipping, and B. keep logistics as eco friendly as possible! ShippingWe take shipping very serious at Hello Toredo. Using the right supplies to get your order to you safely is our at the top of our list. Our fine print. (Disclaimer)All items are being sold as described in our item description & grading system. Return is automatically void if serialized tamper proof label is altered.For any further questions please shoot us a message.

Here are 2 Sylvania 6L6G gray glass power vacuum tubes D getters at the bottom. These tubes have been in storage for years. They were tested on a newly calibrated TV-7D/U tube tester with a minimum of 25 (65%) test result required. The tubes tested at 45/25 and 30/25. Be sure to enlarge photo to get a better look. S/h in lower 48 states is $9.50

Sylvania 6L6GA Vacuum Tube^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Tested on an enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell, GA Industry Bogey transconductance = 6000 µmhos Industry Bogey plate current = 72mA Results = 6400µmhos ~ 81mA The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ USA Shipping $6I have many other types of tubes ~ No Additional Shipping ChargesAll tubes r GuaranteedThank you ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubesov10

Sylvania 6L6GA Vacuum Tube ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Tested on an enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell, GA Industry Bogey transconductance =6000µmhos Industry Bogey plate current = 72mA Results =6000µmhos ~ 80mA The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ USA Shipping $6I have many other types of tubes ~ No Additional Shipping ChargesAll tubes GuaranteedThank you ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes#257

2 Tube 6L6GA 6L6 NU National Union Radio. Tubes tested 50 & 46 on my TV7 tube tester where 25 is listed as minimum value. Nice strong pair! Please email with any questions or concerns. Thanks for looking!

I have 1 Excellent strong Sylvania gray glass 6L6GA tube.This tube test 99 where 70 is the minimum good and new tubes test 100 on my sencore tc-162 tube tester.

Up for sale is a Quad of Sylvania 6L6GA Tubes.These tubes are NOS/NIB From 1944. 3 tubes have a wire D getter, one tube has a foil D getter.These tubes tested at 44, 46, 46, 48 where 25 is minimum.All tubes tested on a calibrated TV-7D/U. Please see photos for personal evaluation and specifics. Free shipping included. International buyers will be required to pay for Priority Mail due to the fragile nature of these items and the shorter handling time when using express.

Vintage Pair of Sylvania 6L6GAVacuum Tubes Very Strong and Matched ***** Tested on our proprietary tester , the E3444 Its a Triplett 3444 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturers specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturers specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Falls Church , Virginia. ***** ********************************************************************* Industry Bogey transconductance =6000 µmhos & Industry Bogey plate current = 72 mA Results = pictured ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Search My Store for other tubes by number , construction , and brand No additional charge for combined shipping All tubes are guaranteed ?????? Thank You! ?????? w4 ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes