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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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53 results found in all categories
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Picture [hide]Item titlePriceTime Listed
National union 80 tube tests very STRONG 2450/2450(1600min) 14 day FREE returns
 
Buy it now
$18.75
Free shipping
Listed:Feb-07 11:15
Sylvania 5U4GB tube tests NOS@2250/2250(1600min)34.5/34.78ma 14 day FREE returns
 
Buy it now
$13.75
Free shipping
Listed:Feb-07 08:45
Sylvania 5U4GB tube tests NOS@2150/2200(1600min)32.5/32.4 ma 14 day FREE returns
 
Buy it now
$13.25
Free shipping
Listed:Feb-07 08:40
Sylvania 5U4GB tube tests NOS@2250/2300(1600min)35.0/35.5 ma 14 day FREE returns
 
Buy it now
$13.75
Free shipping
Listed:Feb-07 08:34
Sylvania 5U4GB tube tests NOS@2250/2250(1600min)33.6/33.7 ma 14 day FREE returns
 
Buy it now
$13.75
Free shipping
Listed:Feb-07 08:25
RCA 5U4GB tube AK tests NOS@2275/2250(1600min) 34.6/35 ma 14 day FREE returns
 
Buy it now
$14.50
Free shipping
Listed:Feb-06 22:17
GE 5U4GB tube 61-39 tests NOS@2150/2100(1600min) 33.1/31.5ma 14 day FREE returns
 
Buy It Now or Best Offer
$12.50
Free shipping
Listed:Feb-06 22:04
GE 5U4GB tube 60-30 tests NOS@2250/2275(1600min) 35/35.1ma 14 day FREE returns
 
Buy It Now or Best Offer
$12.50
Free shipping
Listed:Feb-06 21:56
GE 5U4GB tube IW188-5 tests NOS@2250/2275(1600min) 35/35.2ma 14 day FREE returns
 
Buy It Now or Best Offer
$12.50
Free shipping
Listed:Feb-06 21:47
NOS Raytheon 35W4 tube tested 14 day warranty W/free return shipping
 
Buy it now
$6.75
Free shipping
Listed:Feb-04 12:20
pair Sylvania  5Y3GT tubes test NOS 30.5/29.8 & 30.4/31.2ma 14 day FREE returns
 
Buy it now
$20.00
Free shipping
Listed:Feb-04 04:08
Tung-Sol 5Y3GT tests NOS @2050/2075 (1600min) & 31.8/32.2ma 14 day FREE returns
 
Buy It Now or Best Offer
$16.75
Free shipping
Listed:Feb-04 03:51
Tung-Sol 5Y3GT tests NOS @2050/2100 (1600min) & 32/32.5ma 14 day FREE returns
 
Buy It Now or Best Offer
$16.75
Free shipping
Listed:Feb-04 01:19
CBS/RCA 5Y3 GT tests NOS @1950/2000 (1600min) & 30.5/30.8ma 14 day FREE returns
 
Buy It Now or Best Offer
$14.75
Free shipping
Listed:Feb-03 13:52
RCA 5Y3 GT tube tests NOS @2000/2050 (1600min) & 31.3/30.9ma 14 day FREE returns
 
Buy It Now or Best Offer
$16.75
Free shipping
Listed:Feb-03 13:46
RCA 5Y3 GT tube tests NOS @2100/2100 (1600min) & 32.3/32.7ma 14 day FREE returns
 
Buy It Now or Best Offer
$17.50
Free shipping
Listed:Feb-03 13:00
GE 5Y3 GT tube tests NOS @2000/2050 (1600min) & 31/31.5ma 14 day FREE returns
 
Buy It Now or Best Offer
$14.50
Free shipping
Listed:Feb-03 12:43
Sylvania JAN 5814A 12AU7 tube tests NOS 14 day warranty W/free return shipping
 
Buy it now
$9.50
Free shipping
Listed:Jan-24 23:01
Sylvania JAN 5814A 12AU7 tube tests NOS 14 day warranty W/free return shipping
 
Buy it now
$9.50
Free shipping
Listed:Jan-24 22:55
Sylvania JAN 5814A 12AU7 tube tests NOS 14 day warranty W/free return shipping
 
Buy it now
$9.50
Free shipping
Listed:Jan-24 22:49
 GE 12AT7 tube tests NOS 14 day warranty W/free return shipping Fender Marshall
 
Buy It Now or Best Offer
$9.75
Free shipping
Listed:Jan-24 21:58
Motorola by Tung Sol 12AT7 tube tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$9.75
Free shipping
Listed:Jan-24 21:42
Bell&Howell Tung Sol 12AT7 tube tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$10.75
Free shipping
Listed:Jan-24 21:31
RCA 12AT7 tube tests NOS 14 day warranty W/free return shipping Fender Marshall
 
Buy It Now or Best Offer
$15.75
Free shipping
Listed:Jan-24 20:08
Motorola 5U4 GB tube  tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$9.00
Free shipping
Listed:Jan-21 00:22
Sylvania 6BQ5 EL84 tube tests strong 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$16.75
Free shipping
Listed:Jan-20 23:09
RCA 6BQ5 tube tests strong 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$16.75
Free shipping
Listed:Jan-20 23:03
auditioned NOS Westinghouse 12BZ7 tube blk plts 12AX7 sub W/monster tone Fender
 
Buy it now
$14.75
Free shipping
Listed:Jan-20 21:20
auditioned NOS Westinghouse 12BZ7 tube blk plts 12AX7 sub W/monster tone Fender
 
Buy it now
$14.75
Free shipping
Listed:Jan-20 21:14
auditioned NOS Westinghouse 12BZ7 tube blk plates  Killer 12AX7 sub TONE Fender
 
Buy it now
$14.75
Free shipping
Listed:Jan-20 07:40
 GE 12AT7 tube tests NOS 14 day warranty W/free return shipping Fender Marshall
 
Buy It Now or Best Offer
$9.75
Free shipping
Listed:Jan-20 06:40
 GE 12AT7WA 6201 tube blk plt 3mica tests NOS 14 day warranty W/free return ship
 
Buy It Now or Best Offer
$14.75
Free shipping
Listed:Jan-18 00:03
 GE 12AT7WA 6201 tube  3 mica tests NOS 14 day warranty W/free return ship
 
Buy It Now or Best Offer
$12.75
Free shipping
Listed:Jan-17 21:43
 GE 12AT7WA 6201 tube tests NOS 14 day warranty W/free return ship   Fender amps
 
Buy It Now or Best Offer
$12.75
Free shipping
Listed:Jan-17 21:15
pair of RCA 6U10 tubes for your Ampeg 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$15.75
Free shipping
Listed:Oct-12 05:12
RCA 6U10 tube tests strong for your Ampeg 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$7.25
Free shipping
Listed:Oct-05 10:03
NOS RCA 6SN7GTB tube black plates 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$21.33
Free shipping
Listed:Oct-05 09:58
NOS RCA 6SN7GTB coin base tube 14 day warranty W/free return shipping
 
Buy it now
$16.50
Free shipping
Listed:Oct-05 09:57
Mullard labeled GE  6AQ8 tube tests NOS balanced 14 day warranty W/free rtn ship
 
Buy It Now or Best Offer
$23.50
Free shipping
Listed:Oct-02 13:59
Telefunken 6AQ8 tube Incredibly strong tube, balanced 14 day warranty
 
Buy It Now or Best Offer
$25.00
Free shipping
Listed:Oct-02 13:45
Ip matched pair Sylvania 6K6GT NOS tubes NIB match tests Satisfaction Guaranteed
 
Buy It Now or Best Offer
$23.75
Free shipping
Listed:Sep-26 21:51
auditioned Valvo 12AT7 ECC81 tube strong test 14 day warranty W/free return ship
 
Buy It Now or Best Offer
$22.00
Free shipping
Listed:Sep-26 09:52
auditioned GE 12AT7WA 6201 tube tests strong 14 day warranty W/free return ship
 
Buy It Now or Best Offer
$9.75
Free shipping
Listed:Sep-11 07:38
RCA 6U10 tube tests NOS for your Ampeg  14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$9.25
Free shipping
Listed:Sep-08 02:39
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$7.25
Free shipping
Listed:Sep-08 02:28
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$7.25
Free shipping
Listed:Sep-08 02:25
GE 6U10 tube for your Ampeg amp  14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$7.25
Free shipping
Listed:Sep-07 21:46
GE 6U10 tube for your Ampeg amp tests NOS 14 day warranty W/free return shipping
 
Buy It Now or Best Offer
$9.25
Free shipping
Listed:Sep-07 21:38
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