tube 101
-
- Topics
- Replies
- Views
- Last post
-
- Help I.D. a 300B Brand?
by Geek » Sat Sep 23, 2017 10:08 pm
- 0 Replies
- 17 Views
- Last post by Geek
Sat Sep 23, 2017 10:08 pm
- Help I.D. a 300B Brand?
-
- Photobucket
by DeathRex » Mon Jul 17, 2017 8:03 am - 2 Replies
- 308 Views
- Last post by DeathRex
Tue Jul 18, 2017 9:56 am
- Photobucket
-
- single ended gu50 schematic
1, 2 by willie » Fri Oct 17, 2014 4:19 pm
- 16 Replies
- 5362 Views
- Last post by DeathRex
Wed Jul 12, 2017 11:29 am
- single ended gu50 schematic
-
- Power supply question
by dannyr » Sat Jun 24, 2017 3:05 pm
- 8 Replies
- 492 Views
- Last post by dannyr
Sat Jul 01, 2017 1:32 am
- Power supply question
-
- New Output-Tube Testing Method
by paart » Thu Jun 15, 2017 10:05 am - 1 Replies
- 174 Views
- Last post by Geek
Thu Jun 15, 2017 8:12 pm
- New Output-Tube Testing Method
-
- Speaker impedance. How close should actual load be?
by Newbietube » Thu Jan 12, 2017 2:36 pm - 3 Replies
- 485 Views
- Last post by Geek
Tue Mar 28, 2017 3:07 am
- Speaker impedance. How close should actual load be?
-
- Did everyone get their ruler from Digikey?
by DeathRex » Thu Feb 16, 2017 3:39 pm - 1 Replies
- 308 Views
- Last post by Geek
Sat Feb 18, 2017 3:04 am
- Did everyone get their ruler from Digikey?
-
- McIntosh MA 6100
1, 2 by DeathRex » Fri Apr 29, 2016 11:20 am
- 17 Replies
- 1749 Views
- Last post by Geek
Mon Jan 30, 2017 2:23 pm
- McIntosh MA 6100
-
- Running a transformer in reverse.
by Newbietube » Thu Nov 24, 2016 5:40 am - 4 Replies
- 1310 Views
- Last post by Newbietube
Thu Jan 12, 2017 2:28 pm
- Running a transformer in reverse.
-
- CCS for small signal pentodes
by DeathRex » Wed Jan 11, 2017 5:50 pm - 5 Replies
- 341 Views
- Last post by Geek
Thu Jan 12, 2017 1:01 pm
- CCS for small signal pentodes
-
- Help understanding some things about amplifier design
by mrtubenewbie » Tue Aug 02, 2016 12:08 pm
- 5 Replies
- 1533 Views
- Last post by Impmon
Fri Dec 16, 2016 11:41 pm
- Help understanding some things about amplifier design
-
- Opinion, pls, for tubes Golden Gate
by azazello » Tue Dec 06, 2016 12:15 pm - 4 Replies
- 1029 Views
- Last post by cdmawolf
Thu Dec 08, 2016 9:06 pm
- Opinion, pls, for tubes Golden Gate
-
- ST-70 Power supply questions
1, 2by franciscano » Sun Oct 30, 2016 5:57 am - 15 Replies
- 2319 Views
- Last post by Quad
Thu Nov 03, 2016 11:11 am
- ST-70 Power supply questions
-
- Dynaco Dyna PAS PC5 PC6 pcb
by erez1012 » Fri Sep 30, 2016 6:28 am
- 4 Replies
- 909 Views
- Last post by Gingertube
Tue Oct 04, 2016 11:19 pm
- Dynaco Dyna PAS PC5 PC6 pcb
-
- Diy tube amp recommandation
by franciscano » Sat Sep 10, 2016 10:39 pm - 5 Replies
- 1040 Views
- Last post by franciscano
Mon Sep 12, 2016 2:28 am
- Diy tube amp recommandation
-
- Philco Radio Gallery 1928-1960
by EWBrown » Wed Sep 07, 2016 7:18 pm - 2 Replies
- 603 Views
- Last post by EWBrown
Wed Sep 07, 2016 8:32 pm
- Philco Radio Gallery 1928-1960
-
- Introducing the 26E6WG - Plinker of the Day
by EWBrown » Mon Aug 15, 2016 1:01 pm - 4 Replies
- 1246 Views
- Last post by EWBrown
Mon Aug 29, 2016 3:43 pm
- Introducing the 26E6WG - Plinker of the Day
-
- Tube data for the 9AM10
by rsumperl » Sun Aug 28, 2016 7:31 pm - 2 Replies
- 678 Views
- Last post by EWBrown
Sun Aug 28, 2016 8:41 pm
- Tube data for the 9AM10
-
- Best new 6CA7/EL34?
by joeztech » Sun Aug 21, 2016 2:22 pm - 2 Replies
- 734 Views
- Last post by joeztech
Sun Aug 21, 2016 3:41 pm
- Best new 6CA7/EL34?
-
- Couple of Russian "big boys"
by EWBrown » Sat Aug 20, 2016 7:50 pm - 1 Replies
- 715 Views
- Last post by Geek
Sat Aug 20, 2016 10:04 pm
- Couple of Russian "big boys"
-
- Sylvania SN-1551B mystery triode ?
by EWBrown » Wed Aug 17, 2016 3:56 pm - 2 Replies
- 792 Views
- Last post by EWBrown
Thu Aug 18, 2016 3:10 pm
- Sylvania SN-1551B mystery triode ?
-
- Three pairs of transformers and what to do with them
by soundbrigade » Tue Jul 26, 2016 4:35 pm - 8 Replies
- 1209 Views
- Last post by soundbrigade
Wed Jul 27, 2016 4:36 pm
- Three pairs of transformers and what to do with them
-
- Small SE amp with no pre-amp
by Vernrich » Wed Jun 15, 2016 11:50 pm - 3 Replies
- 1574 Views
- Last post by soundbrigade
Thu Jun 23, 2016 10:39 am
- Small SE amp with no pre-amp
-
- New ideas in an old fashioned AM tuner
1, 2 by LW1DSE » Mon Apr 25, 2016 7:28 am
- 17 Replies
- 3971 Views
- Last post by LW1DSE
Wed Jun 22, 2016 6:32 am
- New ideas in an old fashioned AM tuner
-
- Different tube distortion - why?
by soundbrigade » Sat Jun 11, 2016 8:59 am - 2 Replies
- 921 Views
- Last post by DeathRex
Sat Jun 11, 2016 8:09 pm
- Different tube distortion - why?
-
- VOX AC15 - DIY Repair assist
by JCB42 » Tue Jun 07, 2016 9:18 am - 0 Replies
- 943 Views
- Last post by JCB42
Tue Jun 07, 2016 9:18 am
- VOX AC15 - DIY Repair assist
-
- Amplifier Using B Minus instead of B Plus
by joeztech » Sun Jun 05, 2016 3:00 pm - 2 Replies
- 815 Views
- Last post by joeztech
Mon Jun 06, 2016 5:32 am
- Amplifier Using B Minus instead of B Plus
-
- Make Your Own Tubes- New Forum
by rmyauck » Sun May 29, 2016 9:25 am - 0 Replies
- 946 Views
- Last post by rmyauck
Sun May 29, 2016 9:25 am
- Make Your Own Tubes- New Forum
-
- Independent tube biasing?
by fcervone » Wed May 04, 2016 4:52 pm - 5 Replies
- 1516 Views
- Last post by dcriner
Sat May 28, 2016 4:46 pm
- Independent tube biasing?
-
- Vacuum Tube Time Machine
by shlafferty » Mon May 02, 2016 2:33 pm
- 3 Replies
- 1163 Views
- Last post by shlafferty
Fri May 06, 2016 7:33 am
- Vacuum Tube Time Machine
-
- Mcintosh C24 rebuild ideas
1, 2 by DeathRex » Wed Feb 10, 2016 3:57 pm
- 15 Replies
- 3424 Views
- Last post by DeathRex
Mon Apr 25, 2016 12:08 pm
- Mcintosh C24 rebuild ideas
-
- CBS-Hytron Dice-a-tron
by EWBrown » Mon Apr 18, 2016 7:08 pm - 6 Replies
- 1298 Views
- Last post by soundbrigade
Sun Apr 24, 2016 6:54 am
- CBS-Hytron Dice-a-tron
-
- need tube chart for califone 26V cosmopolitan 2
by flashbk13 » Fri Mar 25, 2016 8:48 pm
- 14 Replies
- 2648 Views
- Last post by flashbk13
Tue Apr 19, 2016 5:34 pm
- need tube chart for califone 26V cosmopolitan 2
-
- Low gain, low current, low impedance stage
by DeathRex » Mon Jun 15, 2015 6:18 pm - 3 Replies
- 1827 Views
- Last post by LW1DSE
Mon Apr 18, 2016 10:05 am
- Low gain, low current, low impedance stage
-
- Headphones and PP-amps
by soundbrigade » Sat Jun 06, 2015 3:32 pm - 7 Replies
- 2422 Views
- Last post by LW1DSE
Mon Apr 18, 2016 9:49 am
- Headphones and PP-amps
-
- Advice on a 6550 pp amp
by jbesound » Sat Mar 26, 2016 3:21 pm
- 4 Replies
- 1420 Views
- Last post by jbesound
Thu Apr 14, 2016 8:51 pm
- Advice on a 6550 pp amp
-
- Testing Rectifier Tube
by skidave » Tue Feb 09, 2016 10:56 am - 4 Replies
- 1292 Views
- Last post by LW1DSE
Thu Apr 14, 2016 1:03 pm
- Testing Rectifier Tube
-
- The Knifonium, the vacuum tube synthesizer
by EWBrown » Fri Apr 08, 2016 6:33 pm - 1 Replies
- 961 Views
- Last post by Geek
Sat Apr 09, 2016 12:26 am
- The Knifonium, the vacuum tube synthesizer
-
- Finished the ST-70 from Blair
by DeathRex » Sun Jan 24, 2016 4:48 pm
- 6 Replies
- 1502 Views
- Last post by DeathRex
Tue Jan 26, 2016 7:21 am
- Finished the ST-70 from Blair
-
- EC88 dirver PL84 push-pull,DIY with a picture tells a story.
by turing » Sun Jan 17, 2016 10:27 am - 13 Replies
- 2678 Views
- Last post by turing
Wed Jan 20, 2016 3:16 am
- EC88 dirver PL84 push-pull,DIY with a picture tells a story.
-
- My 6GB5 PPP
by DeathRex » Sun Dec 20, 2015 12:00 pm
- 12 Replies
- 3262 Views
- Last post by DeathRex
Fri Jan 15, 2016 11:29 am
- My 6GB5 PPP
-
- SE KT88 OPT Opinions
by blueglow » Thu Jan 14, 2016 7:41 pm - 1 Replies
- 902 Views
- Last post by Blair
Thu Jan 14, 2016 9:52 pm
- SE KT88 OPT Opinions
-
- DIY Triodes
1, 2 by George Schmermund » Sun Dec 13, 2015 7:53 pm
- 19 Replies
- 4903 Views
- Last post by EWBrown
Mon Jan 11, 2016 7:03 pm
- DIY Triodes
-
- The ST70 I got from Blair
by DeathRex » Mon Aug 24, 2015 6:59 am - 7 Replies
- 3444 Views
- Last post by DeathRex
Sat Jan 09, 2016 8:43 pm
- The ST70 I got from Blair
-
- WE-320A Border Blaster Tubes
by EWBrown » Thu Dec 31, 2015 8:12 pm - 4 Replies
- 1606 Views
- Last post by battradio
Sat Jan 02, 2016 11:38 am
- WE-320A Border Blaster Tubes
-
- Power On Time Delay Relay Circuit
by 6B4G » Sun Nov 22, 2015 1:54 am - 9 Replies
- 2115 Views
- Last post by Geek
Tue Dec 22, 2015 10:54 am
- Power On Time Delay Relay Circuit
-
- Low Cost, Regulated, Current Limited Heater Supply
by paart » Mon Jun 01, 2015 1:37 pm - 7 Replies
- 2765 Views
- Last post by paart
Sun Dec 20, 2015 4:32 pm
- Low Cost, Regulated, Current Limited Heater Supply
-
- Phono preamp hum
by DeathRex » Mon Nov 30, 2015 9:58 pm
- 13 Replies
- 2978 Views
- Last post by DeathRex
Wed Dec 09, 2015 11:21 pm
- Phono preamp hum
Who is online
Users browsing this forum: No registered users and 3 guests
Forum permissions
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum