ask your general tube related questions here
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- Pwr supply question
by Rick90405 » Mon Dec 17, 2012 2:20 pm
- 8 Replies
- 2803 Views
- Last post by Rick90405
Tue Dec 18, 2012 9:19 pm
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- 4CX35
by Ty_Bower » Fri Dec 14, 2012 7:12 pm
- 4 Replies
- 1681 Views
- Last post by Geek
Sat Dec 15, 2012 11:55 am
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- jelabs 76/6sn7 linestage
by janna » Sat Nov 24, 2012 10:34 am
- 7 Replies
- 10046 Views
- Last post by SDS-PAGE
Thu Dec 13, 2012 4:18 pm
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- Testing Frequency Response
by Blair » Wed Dec 12, 2012 7:11 am
- 8 Replies
- 2004 Views
- Last post by 20to20
Thu Dec 13, 2012 7:50 am
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- B+ Turn On Delay Question
by skidave » Fri Dec 07, 2012 12:48 pm
- 7 Replies
- 3233 Views
- Last post by Blair
Wed Dec 12, 2012 7:15 am
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- What's wrong with my schematic?
by DeathRex » Mon Dec 03, 2012 4:07 pm
- 7 Replies
- 3949 Views
- Last post by soundbrigade
Tue Dec 11, 2012 10:42 am
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- Nixie Clock Suggestions?
by dustinsterk » Fri Dec 07, 2012 3:48 pm
- 4 Replies
- 1703 Views
- Last post by dustinsterk
Tue Dec 11, 2012 9:42 am
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- 6j5
by battradio » Tue Aug 14, 2012 12:52 am
- 2 Replies
- 1666 Views
- Last post by battradio
Tue Dec 11, 2012 12:02 am
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- looking for a dual section 1" diam. capacitor
by dividebytube » Wed Dec 05, 2012 2:00 pm
- 3 Replies
- 1328 Views
- Last post by Geek
Thu Dec 06, 2012 11:34 am
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- Preamp with ECC88 (6922, 6DJ7)
by Thunder » Sat Dec 01, 2012 10:09 pm
- 4 Replies
- 2651 Views
- Last post by Thunder
Mon Dec 03, 2012 6:32 pm
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- Tube/valve amplifier (Line-stage) with ECC83 (12AX7)
by Thunder » Thu Nov 22, 2012 8:43 am
- 5 Replies
- 2372 Views
- Last post by Geek
Sun Dec 02, 2012 2:45 pm
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- 12SN7 Rozenblitz Grounded Grid Preamp.
by coop402 » Wed Dec 28, 2011 9:37 am
- 8 Replies
- 4784 Views
- Last post by Thunder
Sat Dec 01, 2012 10:27 pm
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- Push Pull Bias for a 6B4G
by battradio » Sun Nov 18, 2012 6:06 pm
- 4 Replies
- 2790 Views
- Last post by battradio
Sun Nov 25, 2012 5:12 pm
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- Tube/valve preamplifier with ECC88
by Thunder » Thu Nov 22, 2012 12:47 am
- 2 Replies
- 4705 Views
- Last post by Thunder
Fri Nov 23, 2012 1:11 am
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- 300B line stage
by EWBrown » Sat Oct 13, 2012 11:14 am
- 10 Replies
- 4271 Views
- Last post by Geek
Thu Nov 22, 2012 4:42 pm
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- Flexible shielded hookup wire
by Mark Williams » Mon Nov 19, 2012 8:10 am
- 10 Replies
- 4555 Views
- Last post by nyazzip
Thu Nov 22, 2012 1:11 am
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- Tube amp blowing fuses and rectifiers when on for a while
by Blair » Thu Nov 15, 2012 9:35 pm
- 15 Replies
- 4172 Views
- Last post by burnedfingers
Sun Nov 18, 2012 5:23 am
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- XSE10-4-8K question
by DeathRex » Sat Nov 17, 2012 11:38 am
- 7 Replies
- 2833 Views
- Last post by DeathRex
Sat Nov 17, 2012 3:36 pm
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- Power Transformer ratings?
by Blair » Fri Jun 15, 2012 10:26 am
- 20 Replies
- 5391 Views
- Last post by Geek
Tue Nov 13, 2012 12:37 am
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- Burn in amp
by xecluded » Fri Nov 09, 2012 10:20 pm
- 7 Replies
- 2727 Views
- Last post by xecluded
Mon Nov 12, 2012 8:04 am
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- EICO ST-40 Iron and Tubes
by retox » Thu Oct 04, 2012 11:08 am
- 16 Replies
- 10483 Views
- Last post by EWBrown
Fri Nov 09, 2012 7:09 pm
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- ST-70 Output Iron?
by Blair » Tue Nov 06, 2012 10:02 pm
- 17 Replies
- 4539 Views
- Last post by Blair
Fri Nov 09, 2012 9:54 am
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- Tube Current
by Blair » Tue Nov 06, 2012 10:37 pm
- 1 Replies
- 1168 Views
- Last post by kheper
Wed Nov 07, 2012 4:30 am
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- "loudness" circuit
by nyazzip » Sat Nov 03, 2012 1:57 pm
- 6 Replies
- 3962 Views
- Last post by kheper
Sun Nov 04, 2012 6:48 am
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- HK Citation II output iron for EL34
by Blair » Sat Nov 03, 2012 7:59 am
- 5 Replies
- 1633 Views
- Last post by Blair
Sat Nov 03, 2012 11:59 am
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- A 30 years old DIY amplifier.
by Tubeamp » Thu Nov 01, 2012 1:15 am
- 2 Replies
- 1481 Views
- Last post by Tubeamp
Thu Nov 01, 2012 8:45 am
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- 8417 vs. 6550 / KT88
by Blair » Wed Sep 05, 2007 3:49 pm
- 11 Replies
- 13047 Views
- Last post by Blair
Tue Oct 30, 2012 9:03 pm
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- LED bias?
by Blair » Fri Oct 26, 2012 10:25 am
- 8 Replies
- 7131 Views
- Last post by EWBrown
Sun Oct 28, 2012 7:28 pm
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- Baldwin Organ Power transformer?
by Blair » Wed Oct 24, 2012 1:16 pm
- 8 Replies
- 3048 Views
- Last post by Blair
Fri Oct 26, 2012 3:47 pm
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- Schematic search
by msmpe » Fri Oct 19, 2012 12:02 am
- 5 Replies
- 1758 Views
- Last post by msmpe
Sun Oct 21, 2012 10:53 am
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- Good tube combination for Priboi amp?
by soundbrigade » Wed Oct 03, 2012 10:43 am
- 13 Replies
- 7990 Views
- Last post by azazello
Fri Oct 19, 2012 11:22 am
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- Using industrial transformers in reverse for HT
by Newbietube » Wed Oct 17, 2012 5:25 pm
- 3 Replies
- 1295 Views
- Last post by Blair
Thu Oct 18, 2012 7:33 pm
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- Mullard 7025?
by nyazzip » Wed Oct 17, 2012 11:15 pm
- 3 Replies
- 1768 Views
- Last post by mesherm
Thu Oct 18, 2012 1:25 am
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- Scott LK 30
by Linn lover » Tue Oct 16, 2012 8:43 pm
- 2 Replies
- 2167 Views
- Last post by kheper
Tue Oct 16, 2012 9:38 pm
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- power transformer current
by ioginy » Mon Oct 15, 2012 9:59 pm
- 6 Replies
- 1914 Views
- Last post by ioginy
Tue Oct 16, 2012 9:22 am
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- YouTube Channel
by kt88pppamp » Thu Oct 11, 2012 8:55 pm
- 1 Replies
- 996 Views
- Last post by Shannon Parks
Fri Oct 12, 2012 6:38 am
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- Phantom grid noise?
by ioginy » Sat Oct 06, 2012 9:57 am
- 2 Replies
- 1312 Views
- Last post by Gingertube
Sun Oct 07, 2012 10:22 pm
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- How it's made: Vacuum Tubes
by EWBrown » Wed Sep 12, 2012 7:34 pm
- 2 Replies
- 1304 Views
- Last post by nyazzip
Wed Sep 26, 2012 1:01 pm
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- What's the difference between these two output transformer?
by Blair » Mon Sep 17, 2012 6:11 pm
- 1 Replies
- 1456 Views
- Last post by Blair
Tue Sep 25, 2012 7:07 am
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- Bogen MO-200A conversion
by Blair » Mon Aug 13, 2012 7:29 pm
- 53 Replies
- 13230 Views
- Last post by Blair
Tue Sep 18, 2012 8:07 pm
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- Dumb question?
by msmpe » Tue Aug 28, 2012 3:58 pm
- 15 Replies
- 4174 Views
- Last post by msmpe
Tue Sep 04, 2012 5:51 pm
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- Is the Budgie SE appropriate as 1st time build
by fatuncle » Tue Aug 28, 2012 9:01 am
- 4 Replies
- 1625 Views
- Last post by Shannon Parks
Thu Aug 30, 2012 5:29 pm
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- Does anyone have the schematic for Langevin AM 5116-B preamp
by battradio » Thu Aug 30, 2012 12:49 pm
- 0 Replies
- 1404 Views
- Last post by battradio
Thu Aug 30, 2012 12:49 pm
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- A severely damaged amplifier!
by Tubeamp » Wed Aug 29, 2012 8:28 am
- 4 Replies
- 2361 Views
- Last post by Tubeamp
Wed Aug 29, 2012 11:35 am
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- Fixing bell dents in transformers?
by Blair » Mon Aug 27, 2012 8:26 pm
- 8 Replies
- 2452 Views
- Last post by Blair
Wed Aug 29, 2012 8:21 am
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- using a laptop as a source
by nyazzip » Mon Jul 23, 2012 12:39 am
- 16 Replies
- 4306 Views
- Last post by CpuZapper
Fri Aug 24, 2012 12:54 pm
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- selenium bridge rectifier replacement question
by bzuidgeest » Sat Aug 18, 2012 5:43 am
- 9 Replies
- 2942 Views
- Last post by bzuidgeest
Tue Aug 21, 2012 7:12 am
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- Electrolytic capacitors reforming
by aandre2200 » Fri Aug 17, 2012 11:41 am
- 10 Replies
- 3022 Views
- Last post by aandre2200
Sat Aug 18, 2012 10:56 am
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- Winders?
by Blair » Mon Aug 06, 2012 6:37 am
- 30 Replies
- 6766 Views
- Last post by Geek
Thu Aug 16, 2012 6:26 pm
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- 6S4 as an output tube US made not Russian
by battradio » Sun Aug 12, 2012 9:37 pm
- 7 Replies
- 2854 Views
- Last post by battradio
Tue Aug 14, 2012 5:52 pm
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