Tubes
46 topics • Page 1 of 1
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- ENG/RUS "Mullard" 12AX7s disassembled & compared
by dai h. » Mon Dec 29, 2014 10:52 pm - 1 Replies
- 10943 Views
- Last post by David B
Tue Jun 21, 2016 9:44 pm
- ENG/RUS "Mullard" 12AX7s disassembled & compared
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- Sylvania Gold Brand Tubes brochure (and more)
by dai h. » Thu Apr 23, 2015 8:53 am - 8 Replies
- 11564 Views
- Last post by dai h.
Thu May 28, 2015 5:43 pm
- Sylvania Gold Brand Tubes brochure (and more)
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- Why Tubes Sound Different....
by the boogie man » Sun Mar 22, 2015 6:11 pm - 2 Replies
- 4631 Views
- Last post by dai h.
Wed Mar 25, 2015 6:09 am
- Why Tubes Sound Different....
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- Korg and Noritake develop tube like device
by dai h. » Sun Jan 25, 2015 12:09 pm - 1 Replies
- 4423 Views
- Last post by dai h.
Tue Jan 27, 2015 8:43 pm
- Korg and Noritake develop tube like device
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- Russian tube factory footage [YT]
by dai h. » Fri Jan 16, 2015 10:29 am - 2 Replies
- 4625 Views
- Last post by dai h.
Mon Jan 19, 2015 5:58 am
- Russian tube factory footage [YT]
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- Triode Loadline Simulator [web link]
by dai h. » Thu Nov 27, 2014 7:00 am - 0 Replies
- 4282 Views
- Last post by dai h.
Thu Nov 27, 2014 7:00 am
- Triode Loadline Simulator [web link]
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- Solid state 5Y3 emulator [schematic link]
by dai h. » Wed Nov 19, 2014 5:10 pm - 2 Replies
- 4798 Views
- Last post by dai h.
Fri Nov 21, 2014 7:32 pm
- Solid state 5Y3 emulator [schematic link]
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- interesting tidbits re:noise, QLTY CNTRL, tube life
by dai h. » Fri Feb 14, 2014 10:01 am - 6 Replies
- 8778 Views
- Last post by dai h.
Sun Apr 06, 2014 6:13 pm
- interesting tidbits re:noise, QLTY CNTRL, tube life
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- Fancy a few sets of these?
by neikeel » Fri Jan 31, 2014 7:10 am - 9 Replies
- 9462 Views
- Last post by dai h.
Sat Feb 08, 2014 11:05 pm
- Fancy a few sets of these?
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- old audio tube ad scans (Amperex, Mullard, etc.)
by dai h. » Wed Dec 11, 2013 8:13 am - 2 Replies
- 6337 Views
- Last post by dai h.
Wed Jan 01, 2014 6:29 pm
- old audio tube ad scans (Amperex, Mullard, etc.)
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- Unidentified 12AU7
by deForest46 » Wed Sep 18, 2013 4:31 pm - 2 Replies
- 5635 Views
- Last post by Jeff West
Thu Sep 19, 2013 10:55 pm
- Unidentified 12AU7
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- 12AX7 Test Modification For B&K 707
by David B » Sat Jul 27, 2013 1:27 pm - 2 Replies
- 5919 Views
- Last post by David B
Sun Jul 28, 2013 9:52 am
- 12AX7 Test Modification For B&K 707
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- Vacuum Tube Valley magazine issues readable online
by dai h. » Sun Jul 21, 2013 3:13 am - 1 Replies
- 4916 Views
- Last post by David B
Sun Jul 21, 2013 4:26 pm
- Vacuum Tube Valley magazine issues readable online
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- Vacuum tubes made in the Czech Republic
by David B » Wed Feb 13, 2013 11:17 pm - 7 Replies
- 10037 Views
- Last post by dai h.
Sun Feb 17, 2013 12:32 am
- Vacuum tubes made in the Czech Republic
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- Mullard - The Blackburn Vacuum Tubes Factory
by David B » Sun May 13, 2012 11:54 am - 2 Replies
- 6353 Views
- Last post by David B
Sun May 20, 2012 10:27 am
- Mullard - The Blackburn Vacuum Tubes Factory
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- Unknown tubes
by Ivabiggun » Mon Dec 26, 2011 8:40 pm - 1 Replies
- 4702 Views
- Last post by dai h.
Tue Dec 27, 2011 1:11 am
- Unknown tubes
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- [Youtube] RCA presents... Electrons on Parade
by dai h. » Wed Sep 22, 2010 6:40 pm - 2 Replies
- 5618 Views
- Last post by dai h.
Thu Sep 23, 2010 9:00 pm
- [Youtube] RCA presents... Electrons on Parade
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- (more) old Tube Manuals on line for download
by dai h. » Mon Jun 07, 2010 7:54 pm - 0 Replies
- 4257 Views
- Last post by dai h.
Mon Jun 07, 2010 7:54 pm
- (more) old Tube Manuals on line for download
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- new English made ECC81/82/83 types!?
1, 2
by dai h. » Mon Sep 08, 2008 6:30 pm
- 16 Replies
- 20634 Views
- Last post by dai h.
Mon Dec 07, 2009 11:29 am
- new English made ECC81/82/83 types!?
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- April 1956 British-made metal base Philips EL34s?
by Jeff West » Sun Jan 18, 2009 3:18 am - 2 Replies
- 5731 Views
- Last post by David B
Sun Dec 06, 2009 12:23 pm
- April 1956 British-made metal base Philips EL34s?
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- GEC 6V6 revisisted- Bryan? Others?
by Jeff West » Wed May 27, 2009 9:30 pm
- 2 Replies
- 5904 Views
- Last post by Jeff West
Sun Jun 14, 2009 12:46 am
- GEC 6V6 revisisted- Bryan? Others?
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- Browned out plate voltage
by Mars Hall » Tue May 19, 2009 10:05 pm - 3 Replies
- 4700 Views
- Last post by BryanL
Tue May 26, 2009 8:18 am
- Browned out plate voltage
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- Brimar ECC83
by David B » Sat May 09, 2009 4:33 pm - 6 Replies
- 7758 Views
- Last post by David B
Wed May 13, 2009 12:53 pm
- Brimar ECC83
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- Eye witness info from GEC
1, 2by Jeff West » Fri Dec 19, 2008 2:40 pm - 19 Replies
- 46332 Views
- Last post by BryanL
Mon Apr 13, 2009 9:28 pm
- Eye witness info from GEC
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- 7591 sale, sort of.
by Brian Wallace » Fri Apr 10, 2009 9:33 pm
- 1 Replies
- 4056 Views
- Last post by David B
Fri Apr 10, 2009 10:24 pm
- 7591 sale, sort of.
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- The Subminature Vacuum Tube: The Cycle of Technology
by adrian » Tue Jul 01, 2008 1:49 pm - 3 Replies
- 5792 Views
- Last post by BryanL
Thu Mar 19, 2009 10:41 pm
- The Subminature Vacuum Tube: The Cycle of Technology
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- tube testers
by David B » Sun Nov 16, 2008 11:42 am - 7 Replies
- 7924 Views
- Last post by BryanL
Thu Mar 19, 2009 10:12 pm
- tube testers
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- SED 6L6GC disassembly and animation of function
by dai h. » Tue Mar 17, 2009 6:36 pm - 1 Replies
- 4327 Views
- Last post by Hamilton
Tue Mar 17, 2009 11:50 pm
- SED 6L6GC disassembly and animation of function
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- R.I.P.: Charlie Kittleson
by Jeff West » Wed Mar 04, 2009 11:28 am - 1 Replies
- 5291 Views
- Last post by David B
Thu Mar 05, 2009 10:58 pm
- R.I.P.: Charlie Kittleson
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- "boutique" tube maker in Japan
by dai h. » Thu Feb 05, 2009 7:58 am - 1 Replies
- 3978 Views
- Last post by Jeff West
Thu Feb 05, 2009 9:26 am
- "boutique" tube maker in Japan
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- Valvemaking film: Hammersmith Osram 1930
by Jeff West » Thu Feb 05, 2009 12:34 am - 1 Replies
- 4157 Views
- Last post by dai h.
Thu Feb 05, 2009 7:53 am
- Valvemaking film: Hammersmith Osram 1930
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- Vintage Radio Shack Porno
by Jeff West » Wed Jan 28, 2009 7:15 pm - 2 Replies
- 5084 Views
- Last post by Maschine
Sat Jan 31, 2009 9:45 am
- Vintage Radio Shack Porno
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- On or off (?) work on tubes and makers in preparation
by Jeff West » Tue Jan 06, 2009 1:32 am - 2 Replies
- 4609 Views
- Last post by Jeff West
Fri Jan 09, 2009 11:34 am
- On or off (?) work on tubes and makers in preparation
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- Adrian- Particular Heerlen tube
by Jeff West » Wed Jul 02, 2008 6:46 pm - 4 Replies
- 5929 Views
- Last post by Jeff West
Sat Dec 20, 2008 11:39 am
- Adrian- Particular Heerlen tube
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- Telling Matsushita 12AX7s from BEL
by Jeff West » Sun Oct 05, 2008 12:11 pm - 3 Replies
- 4994 Views
- Last post by Jeff West
Fri Dec 19, 2008 2:20 pm
- Telling Matsushita 12AX7s from BEL
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- Tungsram = Tungsten + Wolfsram (article on Tungsram company)
by dai h. » Mon Aug 11, 2008 7:45 am - 5 Replies
- 8339 Views
- Last post by Jeff West
Wed Sep 10, 2008 10:09 pm
- Tungsram = Tungsten + Wolfsram (article on Tungsram company)
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- [Youtube] neue Telefunken Rohren!
by dai h. » Fri Aug 08, 2008 9:10 pm - 1 Replies
- 4100 Views
- Last post by Jeff West
Mon Sep 08, 2008 8:54 pm
- [Youtube] neue Telefunken Rohren!
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- bit of info on obscure Orion Radio (Hungary) tubes
by dai h. » Sun Sep 07, 2008 6:44 pm - 0 Replies
- 3762 Views
- Last post by dai h.
Sun Sep 07, 2008 6:44 pm
- bit of info on obscure Orion Radio (Hungary) tubes
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- Tung-Sol brown base 7581As
by Jeff West » Sun Jul 27, 2008 5:28 pm - 0 Replies
- 3783 Views
- Last post by Jeff West
Sun Jul 27, 2008 5:28 pm
- Tung-Sol brown base 7581As
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- Dawn of EL34s
1, 2by Jeff West » Sun Jun 15, 2008 1:40 pm - 18 Replies
- 19471 Views
- Last post by Jeff West
Sun Jul 27, 2008 4:24 pm
- Dawn of EL34s
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- Wurlitzer SideMan
by Jeff West » Sat Jul 05, 2008 6:39 am - 0 Replies
- 3581 Views
- Last post by Jeff West
Sat Jul 05, 2008 6:39 am
- Wurlitzer SideMan
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- GEC ECC81/12AT7? (tube pics)
by dai h. » Fri Jun 20, 2008 6:10 am - 11 Replies
- 15931 Views
- Last post by Jeff West
Wed Jul 02, 2008 8:55 pm
- GEC ECC81/12AT7? (tube pics)
46 topics • Page 1 of 1
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