ask your general tube related questions here
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- Hickok Testers and Dynamic Conductance
by Shannon Parks » Tue Dec 28, 2004 1:19 pm
- 3 Replies
- 3219 Views
- Last post by Rick
Fri Feb 11, 2005 8:51 pm
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- cracky glue on NOS (1976) 6SN7 / 6H8C
by JochenH » Thu Jan 27, 2005 1:04 pm
- 3 Replies
- 3819 Views
- Last post by mesherm
Mon Jan 31, 2005 4:08 pm
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- Loctal tubes for cheapskates (like me)
by EWBrown » Mon Jan 24, 2005 6:55 am
- 0 Replies
- 2612 Views
- Last post by EWBrown
Mon Jan 24, 2005 6:55 am
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- Saratov (Sovtek) KT66s
by EWBrown » Mon Oct 25, 2004 11:47 am
- 16 Replies
- 14061 Views
- Last post by EWBrown
Fri Jan 14, 2005 1:20 pm
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- Good Interconnect Article
by Shannon Parks » Thu Dec 09, 2004 4:10 pm
- 1 Replies
- 3102 Views
- Last post by evsentry3
Thu Dec 09, 2004 8:35 pm
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- Electrolytics 101
by EWBrown » Fri Dec 03, 2004 1:47 pm
- 0 Replies
- 2698 Views
- Last post by EWBrown
Fri Dec 03, 2004 1:47 pm
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- Quick really stupid question on capacitors...
by Guest » Sun Nov 28, 2004 10:55 pm
- 2 Replies
- 3190 Views
- Last post by EWBrown
Mon Nov 29, 2004 1:09 pm
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- cigar humidor as tube amp case
by Jochen » Mon Nov 22, 2004 3:31 pm
- 4 Replies
- 4090 Views
- Last post by mesherm
Tue Nov 23, 2004 11:59 am
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- Capacitor numbering
by TerrySmith » Sun Nov 21, 2004 2:54 pm
- 2 Replies
- 3237 Views
- Last post by erichayes
Mon Nov 22, 2004 2:41 am
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- Phase splitter design
by dhuebert » Wed Nov 10, 2004 8:39 am
- 3 Replies
- 5102 Views
- Last post by Shannon Parks
Fri Nov 12, 2004 3:18 pm
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- unusual biasing
by dhuebert » Thu Nov 04, 2004 8:46 am
- 6 Replies
- 5193 Views
- Last post by DortoH
Fri Nov 05, 2004 12:46 pm
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- Preamp boards from Hong Kong??????
by Guest » Fri Oct 22, 2004 7:06 pm
- 8 Replies
- 6037 Views
- Last post by Shannon Parks
Thu Nov 04, 2004 6:58 am
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- Mystery Power Supply
by nineno » Sat Oct 30, 2004 8:03 am
- 0 Replies
- 2390 Views
- Last post by nineno
Sat Oct 30, 2004 8:03 am
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- Alternate methods of Transconductance Measuring?
by Shannon Parks » Mon Oct 25, 2004 6:24 am
- 1 Replies
- 2879 Views
- Last post by Shannon Parks
Fri Oct 29, 2004 2:58 pm
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- Power Supply School
by nineno » Tue Oct 26, 2004 10:07 pm
- 7 Replies
- 5952 Views
- Last post by Shannon Parks
Thu Oct 28, 2004 6:42 am
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- resistor 101
by EWBrown » Tue Oct 26, 2004 1:18 pm
- 1 Replies
- 2846 Views
- Last post by erichayes
Wed Oct 27, 2004 12:00 pm
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- Calculating PSU load
by DortoH » Tue Oct 26, 2004 5:53 pm
- 3 Replies
- 3632 Views
- Last post by Shannon Parks
Wed Oct 27, 2004 8:36 am
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- Whats going on here?
by DortoH » Mon Oct 25, 2004 3:23 pm
- 3 Replies
- 3607 Views
- Last post by EWBrown
Tue Oct 26, 2004 5:43 am
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- 6AQ8
by dhuebert » Tue Oct 12, 2004 8:05 am
- 2 Replies
- 5580 Views
- Last post by dhuebert
Mon Oct 25, 2004 7:38 am
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- What would you measure?
by zozo » Fri Sep 24, 2004 11:38 am
- 1 Replies
- 2761 Views
- Last post by Shannon Parks
Mon Sep 27, 2004 6:25 am
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- SCA-35 need to know?
by TerrySmith » Wed Sep 08, 2004 10:03 pm
- 9 Replies
- 7696 Views
- Last post by EWBrown
Mon Sep 20, 2004 10:15 am
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- 6C45Pi in a phono stage?
by pro_crip » Sat Aug 28, 2004 5:27 pm
- 7 Replies
- 7460 Views
- Last post by pro_crip
Fri Sep 03, 2004 7:28 am
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- Need proper method of energizing long unused amplifiers?
by Guest » Mon Aug 30, 2004 7:08 pm
- 6 Replies
- 5429 Views
- Last post by erichayes
Wed Sep 01, 2004 10:05 pm
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- Tube Time Delay Relays
by Guest » Fri Aug 20, 2004 4:15 pm
- 2 Replies
- 3007 Views
- Last post by erichayes
Sat Aug 21, 2004 1:10 pm
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- 6BM8 Question
by dhuebert » Tue Aug 17, 2004 9:16 am
- 2 Replies
- 3778 Views
- Last post by erichayes
Tue Aug 17, 2004 8:59 pm
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- AC or DC filament
by pro_crip » Mon Aug 02, 2004 5:12 pm
- 1 Replies
- 3090 Views
- Last post by EWBrown
Tue Aug 03, 2004 11:27 am
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- Vibrators
by Shannon Parks » Fri Jul 23, 2004 6:34 am
- 6 Replies
- 6309 Views
- Last post by Casher O'Neill
Sun Jul 25, 2004 7:58 pm
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- '83' mercury vapor rectifiers
by Shannon Parks » Wed Jun 23, 2004 8:13 pm
- 4 Replies
- 6476 Views
- Last post by erichayes
Thu Jun 24, 2004 2:24 pm
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- just getting started
by Guest » Fri Jun 18, 2004 12:33 am
- 2 Replies
- 2933 Views
- Last post by EWBrown
Fri Jun 18, 2004 8:27 am
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- How do I check transformers.
by ejfud » Fri Mar 19, 2004 7:19 am
- 5 Replies
- 5082 Views
- Last post by erichayes
Mon Mar 29, 2004 12:26 pm
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- What causes the brown residue/stain on some tubes?
by Shannon Parks » Fri Feb 06, 2004 12:45 pm
- 6 Replies
- 5219 Views
- Last post by Shannon Parks
Mon Mar 29, 2004 7:10 am
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- 12AX7a vs 12AX7
by Guest » Sun Mar 28, 2004 12:58 pm
- 4 Replies
- 9669 Views
- Last post by EWBrown
Mon Mar 29, 2004 6:45 am
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- Resources
by Shannon Parks » Sat Mar 13, 2004 8:11 am
- 1 Replies
- 2971 Views
- Last post by erichayes
Sat Mar 13, 2004 1:15 pm
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- What about RC snubbers on the ON/OFF switch?
by Shannon Parks » Fri Mar 05, 2004 10:19 pm
- 3 Replies
- 4077 Views
- Last post by Tom Bavis
Fri Mar 12, 2004 12:46 pm
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- Everything you ever wanted to know about screen grids
by EWBrown » Wed Mar 10, 2004 6:53 am
- 5 Replies
- 4605 Views
- Last post by dhuebert
Thu Mar 11, 2004 8:39 am
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- 30,000 watts Single Ended Triode
by TomMcNally » Tue Dec 20, 2005 5:37 pm
- 4 Replies
- 3750 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- Brand-spanking newbie!
by Guest » Fri Mar 18, 2005 9:06 am
- 2 Replies
- 2661 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- 10BQ5 tube substitution?
by Guest » Wed Sep 28, 2005 9:02 am
- 2 Replies
- 2867 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- Kinky Pentodes
by dhuebert » Tue Nov 08, 2005 8:29 am
- 1 Replies
- 2308 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- Substandard Tubes
by TomMcNally » Tue Mar 07, 2006 7:28 pm
- 2 Replies
- 2730 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- Sub-miniatures
by sorenj07 » Tue May 09, 2006 7:14 pm
- 1 Replies
- 2106 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- EL84 Opinion
by Guest » Tue Sep 26, 2006 2:14 pm
- 0 Replies
- 1883 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- PSU Capacitor Size
by DortoH » Sat Oct 30, 2004 11:51 am
- 2 Replies
- 2789 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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- Soldering Mistake, Now I need Help
by Guest » Sun Oct 31, 2004 11:07 am
- 6 Replies
- 4172 Views
- Last post by Guest
Wed Dec 31, 1969 6:00 pm
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