ask your general tube related questions here
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- Transformer flux
by kku » Wed Aug 08, 2012 1:16 am
- 0 Replies
- 1427 Views
- Last post by kku
Wed Aug 08, 2012 1:16 am
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- Tape loops?
by Blair » Fri Aug 03, 2012 4:22 pm
- 2 Replies
- 1389 Views
- Last post by Blair
Sat Aug 04, 2012 9:04 am
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- 6BD5GT usage ill-advised
by EWBrown » Mon Jul 30, 2012 7:47 pm
- 2 Replies
- 1971 Views
- Last post by Shannon Parks
Tue Jul 31, 2012 6:06 am
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- Cathode Follower to lower output impedance?
by Blair » Mon Jun 25, 2012 7:53 am
- 31 Replies
- 9346 Views
- Last post by Geek
Sat Jul 28, 2012 5:01 pm
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- 22R across speaker terminal to G on one channel only?
by 20to20 » Wed Jul 25, 2012 10:02 am
- 5 Replies
- 1670 Views
- Last post by 20to20
Wed Jul 25, 2012 3:23 pm
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- Static sheild wire on power transformer?
by Blair » Mon Jul 23, 2012 5:37 pm
- 4 Replies
- 1705 Views
- Last post by Blair
Tue Jul 24, 2012 12:34 pm
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- Hanging a toroid under the top plate?
by Blair » Sun Jul 15, 2012 2:06 pm
- 14 Replies
- 3847 Views
- Last post by kheper
Mon Jul 16, 2012 4:50 pm
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- Harman Kardon A-224 diagram ?
by 20to20 » Sun Jul 15, 2012 8:18 am
- 4 Replies
- 2306 Views
- Last post by 20to20
Mon Jul 16, 2012 9:33 am
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- Heath a7e
by leadtower » Wed Aug 12, 2009 11:35 am
- 13 Replies
- 5100 Views
- Last post by EWBrown
Sun Jul 15, 2012 7:54 pm
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- negative feedback question
by nyazzip » Thu Jul 12, 2012 10:48 am
- 8 Replies
- 2306 Views
- Last post by nyazzip
Fri Jul 13, 2012 1:16 pm
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- VLF on output to speakers (Stealth 12A6 PP)
by soundbrigade » Mon Apr 21, 2008 5:49 am
- 4 Replies
- 2193 Views
- Last post by Geek
Thu Jul 12, 2012 7:30 pm
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- Microphonics?
by Blair » Sat Jul 07, 2012 1:23 pm
- 6 Replies
- 1853 Views
- Last post by EWBrown
Sun Jul 08, 2012 3:20 pm
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- Speaker Load Simulation
by LinuxGuru » Sat Jul 07, 2012 4:26 pm
- 1 Replies
- 987 Views
- Last post by Geek
Sun Jul 08, 2012 12:03 am
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- New triode strapped 6AV5 and 6B4G Curves (PDFs and XLS)
by Shannon Parks » Thu Jul 05, 2012 6:33 am
- 9 Replies
- 6341 Views
- Last post by Shannon Parks
Fri Jul 06, 2012 6:43 am
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- Blonder tongue audio baton project
by ioginy » Tue Jul 03, 2012 8:12 pm
- 0 Replies
- 1619 Views
- Last post by ioginy
Tue Jul 03, 2012 8:12 pm
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- Weber Output Transformers
by Blair » Sat May 12, 2012 7:01 am
- 20 Replies
- 6932 Views
- Last post by Blair
Mon Jul 02, 2012 7:31 am
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- Tube "sweet spot"
by joncar » Sun Jun 24, 2012 10:31 am
- 12 Replies
- 3705 Views
- Last post by msmpe
Sun Jul 01, 2012 8:06 pm
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- Push pull line stage
by battradio » Wed Jun 27, 2012 2:17 pm
- 0 Replies
- 1535 Views
- Last post by battradio
Wed Jun 27, 2012 2:17 pm
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- Headphone tube 2c51 schematic
by spiritm2r » Tue Jun 26, 2012 3:12 am
- 0 Replies
- 1547 Views
- Last post by spiritm2r
Tue Jun 26, 2012 3:12 am
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- "The Last PAS, by David Vorhis"
by Geek » Sun Jun 24, 2012 2:11 am
- 0 Replies
- 1715 Views
- Last post by Geek
Sun Jun 24, 2012 2:11 am
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- I need some EE help.
by DeathRex » Sat Jun 23, 2012 9:51 am
- 2 Replies
- 1905 Views
- Last post by DeathRex
Sat Jun 23, 2012 4:47 pm
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- newest acquisition
by nyazzip » Wed Jun 20, 2012 10:35 pm
- 1 Replies
- 1058 Views
- Last post by Geek
Thu Jun 21, 2012 12:09 am
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- Hammond 1627SE wired for 6 Ohm?
by soundbrigade » Tue Jun 19, 2012 1:33 pm
- 5 Replies
- 1921 Views
- Last post by Gingertube
Wed Jun 20, 2012 11:22 pm
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- How much ripple is acceptable at speaker jacks?
by Blair » Sat Jun 09, 2012 7:58 pm
- 9 Replies
- 2578 Views
- Last post by Blair
Mon Jun 11, 2012 1:43 pm
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- Transcendar OPT 80W 5K
by Blair » Thu Jun 07, 2012 9:18 am
- 13 Replies
- 3541 Views
- Last post by kheper
Sun Jun 10, 2012 5:41 am
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- Master Gain
by kt88pppamp » Sat Jun 09, 2012 9:49 pm
- 0 Replies
- 1586 Views
- Last post by kt88pppamp
Sat Jun 09, 2012 9:49 pm
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- a very curious problem
by nyazzip » Sat Jun 02, 2012 9:57 pm
- 12 Replies
- 3249 Views
- Last post by EWBrown
Wed Jun 06, 2012 6:16 pm
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- Bogen RP40A output transformers
by Blair » Sat Apr 14, 2012 8:25 pm
- 46 Replies
- 12170 Views
- Last post by Blair
Mon Jun 04, 2012 8:07 am
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- Back to the Future: Tubes V2.0
by EWBrown » Thu May 24, 2012 7:52 am
- 2 Replies
- 1341 Views
- Last post by ozzytube
Mon May 28, 2012 12:59 am
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- Best DHT output tube for Vrms into a 38 ohm load
by glen » Sat May 26, 2012 5:31 am
- 2 Replies
- 1259 Views
- Last post by glen
Sat May 26, 2012 11:20 pm
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- PAS cap ratings
by Carlp » Mon Mar 12, 2012 3:55 pm
- 15 Replies
- 4198 Views
- Last post by hawaii.ken
Sat May 26, 2012 1:32 am
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- ED8000
by alexg_ht » Fri Feb 15, 2008 11:22 pm
- 7 Replies
- 13402 Views
- Last post by azazello
Thu May 24, 2012 12:02 am
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- Strange Stability Enhancement Trick
by LinuxGuru » Fri May 11, 2012 4:44 pm
- 5 Replies
- 2287 Views
- Last post by dcgillespie
Sun May 13, 2012 2:39 pm
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- Tube amp kits
by soundbrigade » Fri May 11, 2012 1:20 pm
- 5 Replies
- 4284 Views
- Last post by soundbrigade
Sun May 13, 2012 12:45 am
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- wire, again
by nyazzip » Tue Apr 10, 2012 2:36 pm
- 10 Replies
- 3443 Views
- Last post by ChrisAlbertson
Sat May 12, 2012 8:22 pm
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- RIAA Preamp?
by Spobe » Tue Feb 22, 2011 7:59 pm
- 12 Replies
- 5183 Views
- Last post by Geek
Sun May 06, 2012 7:30 pm
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- 829 Pinout??
by soundbrigade » Mon Sep 21, 2009 9:09 am
- 24 Replies
- 30539 Views
- Last post by soundbrigade
Fri May 04, 2012 8:31 am
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- 180 volt battery bias for dc coupling se el84?
by Austin Translation » Wed Apr 25, 2012 4:05 pm
- 4 Replies
- 2141 Views
- Last post by Austin Translation
Sat Apr 28, 2012 1:54 am
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- PP output transformer wire colors
by nyazzip » Fri Apr 27, 2012 1:59 am
- 4 Replies
- 1568 Views
- Last post by nyazzip
Fri Apr 27, 2012 10:41 pm
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- Phono Cartridge Loading
by kt88pppamp » Thu Apr 26, 2012 9:02 pm
- 1 Replies
- 1344 Views
- Last post by Shannon Parks
Fri Apr 27, 2012 5:47 am
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- Ladder type volume pot ?
by Mark Williams » Wed Apr 04, 2012 6:35 pm
- 9 Replies
- 3026 Views
- Last post by highflyin9
Tue Apr 24, 2012 2:56 pm
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- decipher these speaker outputs...?
by nyazzip » Sun Apr 22, 2012 11:11 pm
- 5 Replies
- 1788 Views
- Last post by Geek
Tue Apr 24, 2012 3:12 am
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- single channel mic pre
by nyazzip » Sun Apr 22, 2012 9:31 pm
- 9 Replies
- 3750 Views
- Last post by nyazzip
Mon Apr 23, 2012 11:42 pm
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- Which output tube to use
by battradio » Fri Apr 20, 2012 4:11 pm
- 7 Replies
- 2434 Views
- Last post by battradio
Mon Apr 23, 2012 11:07 am
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- Center Frequencies and Q Factor
by kt88pppamp » Sat Apr 21, 2012 12:07 am
- 1 Replies
- 1104 Views
- Last post by Geek
Sat Apr 21, 2012 1:16 am
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- 6CA4 as HWR
by msmpe » Thu Apr 19, 2012 1:50 pm
- 4 Replies
- 1551 Views
- Last post by msmpe
Fri Apr 20, 2012 11:42 am
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- UTC output transformers
by battradio » Sat Mar 31, 2012 12:59 pm
- 7 Replies
- 5749 Views
- Last post by battradio
Mon Apr 16, 2012 7:00 pm
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- flea/head phone amp all DHT
by glen » Sun Apr 15, 2012 9:36 am
- 0 Replies
- 1817 Views
- Last post by glen
Sun Apr 15, 2012 9:36 am
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- Fisher SA300 Help
by cambe » Thu Apr 12, 2012 7:24 am
- 14 Replies
- 4241 Views
- Last post by kheper
Sat Apr 14, 2012 11:23 am
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- Help with Pentode Wiring on SE
by Blair » Sat Apr 14, 2012 6:39 am
- 10 Replies
- 2773 Views
- Last post by DeathRex
Sat Apr 14, 2012 10:23 am
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