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 Thermonic Electronics

Thermonic Electronics

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 Welcome to Thermonic Electronics. We specialize in tubes for musicians and audio applications along with radio types. We feature thoroughly tested new and high testing used vacuum tubes. My 14 day return policy is one of the strongest on ebay. I pay the return shipping if you're not satisfied!
Return shipping paid if not satisfied!

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My return policy is one of the strongest on ebay. I'll pay the return shipping if your not satisfied for any reason!
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46 results found in all categories
View as:ListSort by:Time: newly listed
Picture [hide]Item titlePriceTime Listed
3 date matched National Union 5Y3GT tubes 48.7/49.3ma  49.1/49.9ma 48.7/49ma
 
Buy it now$49.50Listed:Nov-16 20:33
NOS RCA 5Y3GT tube black plate 48.8/49.4 ma @ 200vdc See my no risk Guarantee
 
Buy it now
$24.75
Free shipping
Listed:Aug-11 17:59
NOS RCA 5Y3GT tube black plate 48.7/49.2 ma @ 200vdc See my no risk Guarantee
 
Buy it now
$24.75
Free shipping
Listed:Aug-11 17:40
NOS RCA 5Y3GT tube black plate 48.9/49.4ma @ 200vdc See my no risk Guarantee
 
Buy it now
$22.15
Free shipping
Listed:Aug-11 17:35
RCA 12AT7 tube grey plate  tests slightly low Gm=3300/3000 no risk Guarantee
 
Buy it now$5.00Listed:Jul-20 23:03
Sylvania12AT7 tube black plt  tests good Gm=4900/4950 no risk Guarantee
 
Buy it now$9.75Listed:Jul-20 22:49
Tung Sol 12AT7 tube black plate tests strong  Gm=5400/6300 14 day FREE returns
 
Buy it now$12.75Listed:Jul-19 10:05
Cinese TNT 12AT7 tube tests NOS Gm=5850/5700 8/8ma @200v No risk guarantee
 
Buy it now$8.50Listed:Jul-19 09:56
Raytheon 5U4GB tube tests good@1750/1750(1600min)49.2/49.4ma no risk Guarantee
 
Buy it now$5.75Listed:Mar-11 23:28
Realistic/GE 5U4GB tube tests NOS@2350/2400(1600min)50/50.6mano risk Guarantee
 
Buy it now$9.75Listed:Mar-11 23:16
Sylvania 6BQ5 EL84 tube tests strong 14 day warranty W/free return shipping
 
Buy It Now or Best Offer$16.75Listed:Feb-29 13:24
 GE 6201 12AT7 tube S rods tests NOS 14 day warranty W/free return shiopping
 
Buy It Now or Best Offer$10.75Listed:Feb-29 13:24
 Motorola by GE 12AT7 tube tests NOS 14 day FREE returns
 
Buy It Now or Best Offer$9.75Listed:Feb-29 13:24
auditioned GE 12AT7WA 6201 tube tests strong 14 day warranty W/free return ship
 
Buy It Now or Best Offer$9.75Listed:Feb-29 13:24
 Motorola by GE 12AT7 tube tests good 14 day FREE returns
 
Buy It Now or Best Offer$7.75Listed:Feb-29 13:24
Sylvania JAN 5814A 12AU7 tube tests NOS 14 day warranty W/free return shipping
 
Buy it now$9.50Listed:Feb-29 13:24
GE 5U4GB tube IW188-5 tests NOS@2250/2275(1600min) 35/35.2ma 14 day FREE returns
 
Buy It Now or Best Offer$12.50Listed:Feb-29 13:24
Sylvania 5U4GB tube tests NOS@2250/2250(1600min)34.5/34.78ma 14 day FREE returns
 
Buy it now$13.75Listed:Feb-29 13:24
 GE early 12AV7 tube black bent plates tests NOS 14 day FREE returns
 
Buy It Now or Best Offer$12.75Listed:Feb-29 13:24
NOS matched pair Ken RAD 6K7GT tubes match codes & NOS tests 14 day FREE returns
 
Buy It Now or Best Offer$24.75Listed:Feb-29 13:24
 GE early 6201 12AT7WA tube 3 mica black plates tests strong 14 day FREE returns
 
Buy It Now or Best Offer$10.75Listed:Feb-29 13:24
Bell&Howell Tung Sol 12AT7 tube tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer$10.75Listed:Feb-29 13:24
 GE 12AT7 tube 'bent black plates' sqaure getter tests NOS 14 day FREE returns
 
Buy It Now or Best Offer$14.75Listed:Feb-29 13:24
NOS/NIB RCA 12X4 tube tested 14 day warranty W/FREE return shipping
 
Buy it now$16.75Listed:Feb-25 04:48
NOS/NIB Raytheon 12X4 tube tested 14 day warranty W/FREE return shipping
 
Buy it now$11.75Listed:Feb-25 04:45
 GE 6201 12AT7 tube 3 mica tests NOS 14 day warranty W/free return shiopping
 
Buy It Now or Best Offer$10.75Listed:Feb-21 02:57
NOS matched pair RCA JAN 12SK7Y tubes match codes & NOS test 14 day FREE returns
 
Buy It Now or Best Offer$27.75Listed:Feb-16 20:49
Lot of 3 6J5 tubes test 1200,1350,1350 (min=840) 14 day FREE return shipping
 
Buy it now$13.75Listed:Feb-16 19:56
Sylvania 5U4GB tube tests NOS@2250/2300(1600min)35.0/35.5 ma 14 day FREE returns
 
Buy it now$13.75Listed:Feb-07 08:34
GE 5U4GB tube 61-39 tests NOS@2150/2100(1600min) 33.1/31.5ma 14 day FREE returns
 
Buy It Now or Best Offer$10.00Listed:Feb-06 22:04
Motorola by Tung Sol 12AT7 tube tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer$9.75Listed:Jan-24 21:42
RCA 6BQ5 tube tests strong 14 day warranty W/free return shipping
 
Buy It Now or Best Offer$16.75Listed:Jan-20 23:03
 GE 12AT7WA 6201 tube tests NOS 14 day warranty W/free return ship   Fender amps
 
Buy It Now or Best Offer$12.75Listed:Jan-17 21:15
RCA 6U10 tube tests strong for your Ampeg 14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Oct-05 10:03
NOS RCA 6SN7GTB coin base tube 14 day warranty W/free return shipping
 
Buy it now$16.50Listed:Oct-05 09:57
current matched pair Sylvania 6K6GT NIB tubes matched tests 14 day FREE returns
 
Buy It Now or Best Offer$19.75Listed:Sep-26 21:51
auditioned Valvo 12AT7 ECC81 tube strong test 14 day warranty W/free return ship
 
Buy It Now or Best Offer$22.00Listed:Sep-26 09:52
RCA 6U10 tube tests NOS for your Ampeg  14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Sep-08 02:39
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Sep-08 02:28
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Sep-08 02:25
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Sep-07 21:46
GE 6U10 tube for your Ampeg amp tests NOS 14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Sep-07 21:38
Raytheon 6BL7GT tube Tests strong 14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Mar-11 01:50
GE 6BL7GT tube Tests strong 14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Mar-11 01:43
RCA 6BL7GTA tube Tests good 14 day warranty W/free return shipping
 
Buy it now$6.00Listed:Mar-11 01:23
 RCA 6SN7GTB tube tests good 14 Day warranty W/free return shipping
 
Buy It Now or Best Offer$8.25Listed:Mar-09 14:31
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