5814 GE, Sylvania tubes. Set of 3. Nice Big Clean Vintage Sound. Check out the rest of this collection on other auctions.

For sale is a ULTRA RARE Matched Pair Sylvania JHS 5814/12au7/ECC82 Triple Mica Flat Black plates tubes. Made in USA in 1950s. Tests very strong at NEW level and perfectly matched. Test Results (MaxiPreamp 2, min: 0.8):Tube 1: 1.8/1.8Tube 2: 1.8/1.8 ------------------------------------------------------------------------------- Welcome to Tube Maze Store Here you will find a wide selection of NOS and reissue tubes. Weve been in business since 2012 with great reviews on Ebay, so buy with assurance that you will get a great product and if you are not happy with your purchase we will take it back and refund you full amount - no fuss, no hassle! We test and match all tubes before shipping on many available testers - Amplitrex AT1000, Hickok 539c, MaxiPreamp, MaxiMatcher, MaxiBurn. All tubes are also tested for noise and microphonics.

.SEE PHOTOS FOR TUBE TEST RESULTS. All tubes tested on Hickok TV-7D/U unless otherwise stated in listing. The tv7 tube tester test settings come with MIN. GOOD value for every tube listed in the manual. The min. good means the tube still has 65% of life left at the number listed in the manual. All tubes will come as described in the listing title and description guarantee or your money back. just send me the exact tubes I sent you back at your expense and I’ll refund your money. Shipping is combined of course. Any questions feel free to message me!

Up for sale : Beautiful NOS Matched PAIR Gold PIN VINTAGE USA MADE TUBESNOS Matched PAIR 5814A Sylvania Gold Pin NOS Tubes . High Quality ECC82 / 12AU7 / 12AU7WA WORKING EXCELLENT IN MINT CONDITION MADE WITH LOW NOISE SUPPORTS , SQUARE [] GETTERS & VERY THICK MICAS These 2 tubes are direct replacement for ECC802S Made with 3 Micas / Low Noise Supports for the best Tone Made in the USA. BOTH tubes made the exact same design You get the 2 tubes you see in the Photos for the Price. VERY HIGH GRADE VINTAGE TUBES EXACTLY MATCHED SET OF TWO *PAIR I HAVE 2 MORE PERFECT MATCHED PAIRS AVAILABLE . FOR EACH BID YOU GET 2 TUBES (MATCHED PAIR)

3 x JAN-5814WB (12au7) Sylvania Tubes Made in USA Grey plates O Getter 3-mica Military Specs Tested on enhanced Triplet E3444 2110/2150 micromhos @ 9.9/10.6 mA 2040/2090 micromhos @ 8.9/ 9.5 mA2110/2100 micromhos @ 9.8/ 9.7 mA Bogey(100% or New) = 2200/2200 micromhos @10.0/10.0 mA +/- 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, ___-8.5___Volts bias or Cathode resistance* What were your tubes tested at? I do combine S&H

5814 GE, Sylvania tubes. Set of 3. Nice Big Clean Vintage Sound. Check out the rest of this collection on other auctions.

One 12AU7, and one 5814 Sylvania tube. 1960s. VERY Nice Set of 6 G.E. One was tested as new on Rick Meiers Military Type, Dan Nelson calibrated TV-7 D/U tester. As shown on labels Minimum is 56 test new = 100 %. Will be sent in a nice Big box. From estate of Big Time Hi-Fi Man that had good tubes.

3 x JAN-5814WB (12au7) Sylvania Tubes Made in USA Grey plates O Getter 3-mica Military Specs Tested on enhanced Triplet E3444 2110/2150 micromhos @ 9.9/10.6 mA 2040/2090 micromhos @ 8.9/ 9.5 mA2110/2100 micromhos @ 9.8/ 9.7 mA Bogey(100% or New) = 2200/2200 micromhos @10.0/10.0 mA +/- 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, ___-8.5___Volts bias or Cathode resistance* What were your tubes tested at? I do combine S&H

Welcome! We have been one of the leading online suppliers of vacuum tubes for many years. Recently, we acquired a very large collection of tubes that we are excited to offer. We have tested and sold thousands of these tubes, and have many, many more to sell. After testing literally thousands of tubes from this collection, we have found only a small handful that did not test well. The vast majority tested strong. Buy with confidence, and if you are not happy with your purchase, you can send it back on your dime for a refund. We will combine shipping on multiple purchases within 5 days of the first auction ending. Payment must be made within 5 days or your purchase will be canceled and re-listed. We do not have the space to hold onto auctions for you for any longer than this. If you would like combined shipping, please wait to make payment until after we have sent your invoice. We send invoices each day after all auctions have ended for that day. Combined shipping can only be combined with this shop, not other shops with similar names. Thank you for shopping with us!

Jan Sylvania 2x 5814A 1x 6189

Removing from old storage we found this lot of early tube. (5) Jan 5814A Sylvania Tube . Old stock tested good. Same Lot #34167. Please see Photos. Details can be seen from All Enlarged images. Rare find.

Sylvania Gold Brand 5814A triple mica gray narrow rib with support rods top slant D audio vacuum tubes (similar to 12AU7A ECC82) Tested on Hickok 539C tester. (3120 is NOS, 1650 is minimum good) Results: 2970/3060 95% 98% #2209 2970 at 5.6ma* / 3060 at 5.7ma* Life test: 2810 / 2820 Life test is run at reduced filament voltage (10.2VAC instead of normal 12.6VAC) VERY STRONG LIFE TEST Your tube will be shipped USPS First Class within 5 business days,usually faster. I combine shipping and refund excess. Thank you.

Jan Sylvania 2x 5814A 1x 6189

Matched pair of NIB NOS Sylvania 5814A audio vacuum tubes Tested on :Hickok 539C tester (min good is 1950, typical NOS is 3120) Results: 3090/2900 99% 93%#2768 date 73-133090 at 6ma* / 2900 at 5.4ma* Life test: 2830 / 2700 Very Strong life Results: 3000/3000 96% 96%#974 date 75-3?3000 at 5.9ma* / 3000 at 5.6ma* Life test: 2740 / 2780 Very Strong life Life test is run at very reduce filament voltage of 10.2VAC instead of normal 12.6VAC.If the results show very little reduction in transconductance, that indicates a new tube.Also, it is important that the life test results are matched and balanced. These arevery good. Your tubes will be shipped within 5 business days, usually faster by USPS First Class I combine shipping and will refund excess shipping charges if multiple orders are shipped together. Thank you.

Sylvania 5814 WA 3 Mica Vacuum Tube ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

for sale is one Strong tested Sylvania GB-5814A premium gold pin 12AU7A vacuum tube in original box,tests strong and balanced on our calibrated Jackson 648a tester.

Untitled Document Sylvania 5814A Gold Brand Triple Mica Tubes, Matched Pair, Test NOS, Matched Codes You are bidding on a matched pair of Sylvania 5814A Gold Brand Tubes. These tubes have long (17 mm) gray plates, square getters and triple mica construction. They were made in the 1960s and have matching codes.. They were tested on my Dan Nelson calibrated TV-7/B. They have been tested for shorts, gas, and transconductance. The tubes test very strong with readings of 92/105 and 98/102. Minimum is 56. All tubes are tested on my calibrated TV-7/B or on my calibrated Hickok 539C. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. All tubes meet or exceed manufacturer published specifications of transconductance (Gm) for the specified tube type. All tests are tested twice - prior to the listing and prior to shipping. I have been selling tubes on the internet since 1998 and have been working with tubes since the early 1960s. If you have not already done so, please take a moment and look at my feedback. All tubes are 100% guaranteed good on arrival. These are great tubes for your new audio gear, guitar amps and vintage stereo/audio gear. Thanks for viewing my auction. Please check out my other auctions for more audio tubes, ham radio and radio related items, and collectibles for great deals. You can add me to your list of favorite sellers by clicking here. I will ship overseas Regarding Shipping Your tubes will be well packed. All tubes are shipped in white boxes or the original boxes if available. They are than are wrapped in bubble wrap and shipped in a box. I have shipped thousands of tubes all over the world and have not yet had any arrive damaged. Payment must be received with 2 days of the auction close. Foreign bidders are welcome to bid. I will gladly combine auctions to save on shipping when possible. I have sold and shipped electronic equipment and tubes to over 73 countries. I pack items very well. See my feedback and bid with confidence!

Sylvania JAN 5814A Vacuum Tube Strong & Balanced ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^***** 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 Roswell, GA ***** ********************************************************************* Industry Bogey transconductance = 2200/2200 µmhos Industry Bogey plate current = 10.0/10.0mA Results = 2170/2210 µmhos ~ 0.90/0.97mA ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 15J39

Jan Sylvania 2x 5814A 1x 6189

MATCHED PAIR (2) SYLVANIA GB-5814A / 12AU7 GOLD PIN, MATCHED DATE TESTED ON 539C. GOLD PIN GREY PLATES HALO GETTER MATCHED DATE CODES 1. 3550/3500 MUTUAL CONDUCTANCE 2. 3600/3600 MUTUAL CONDUCTANCE VERY RARE TUBES. CREAM OF THE CROP All tubes are fully tested for leakage, shorts, gas, life, and mutual conductance. Then they are matched according to brand, properties within the date of production, and mutual conductance. Matches are based on mutual conductance. I use two different, calibrated Hickok 539CS and/or, a Weston model 981 type 3. If they pass the testing, they will be sold with test data for that tube. If the tubes arent matched within 6%, I will acknowledge that in the description. I also offer a money back guarantee. Buyer pays return shipping for local pickups, I advise you to bring the electronics that the tubes are going in, within reason. Guitar amps, small radios, etc. I will allow you to test them on site, but you will be responsible for any product damaged by a faulty electronic. Im an honest seller and I stand by my product. Feel free to message me with questions. GlassBatman8

I have 1 excellent perfect balanced sylvania 3 mica gold pin 5814a tube.This tube test 78-77 where 56 is the minimum good and new tubes test 98 to 100 on are tv7 tube tester.

2 - JAN 5814A PAIR Sylvania Packed 1978 HICKOK Tested STRONG CV-4016 Vacuum Tube 2 - JAN 5814A PAIR SylvaniaPacked 1978 HICKOK Tested STRONG Similar - CV-4016 Listing and template services provided by inkFrog

JAN SYLVANIA 5814A / 12AU7 MATCHED PAIR SAME DT NOS/NIB HICKOCK 539C TEST&MATCH. They are tested for emissions, shorts, mutual conductance, and plates current (if applicable). I offer a money back guarantee on all electronics. For items that need work, Ill specify that its not in working condition. I dont buy and sell many audio or electronic devices. My forte is audio file and tone. Thanks, GlassBatman Price drop, as this is my first time listing any inventory since 2018.

Sylvania 5814A Tube***** Tested on our proprietary tube tester, the E3444. 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 Falls Church , Virginia. ***** ********************************************************************* Industry Bogey transconductance = 2200/2200 µmhos Industry Bogey plate current = 10.0/10.0 mA Results = 1725/1760 µmhos ~ 9.3/9.7mAUsa Shipping $6 I have many other types of tubes ~ No Additional Shipping Charges All tubes are Guaranteed ?????? Thank You ?????? #48 ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes