Subject / Started by Replies / Views Last post
11 Replies
1,794 Views
Last post July 14, 2017, 11:12:53 AM
by El Sid
8 Replies
1,227 Views
Last post July 01, 2017, 02:03:38 PM
by rgcook
DIY Simple Output Transformer

Started by Mars « 1 2 3 ... 5 »

60 Replies
35,463 Views
Last post January 19, 2017, 10:48:16 PM
by Ampdog
Sansui-AU 111 revisited

Started by Ampdog « 1 2 3 »

31 Replies
4,710 Views
Last post January 04, 2017, 01:40:49 PM
by Ampdog
Valve etiquette and care

Started by King_Julian_S « 1 2 3 ... 6 »

79 Replies
11,134 Views
Last post October 25, 2016, 09:21:30 PM
by TriodeFan
32 Replies
4,879 Views
Last post October 25, 2016, 01:41:45 PM
by TriodeFan
Steinhart Schematic

Started by Family_Dog « 1 2 »

17 Replies
6,306 Views
Last post September 28, 2016, 02:51:40 AM
by Ampdog
What Make Valve?

Started by MadHat « 1 2 »

23 Replies
2,170 Views
Last post July 29, 2016, 11:09:08 AM
by Triton
46 Replies
15,481 Views
Last post January 10, 2014, 03:38:33 PM
by Ampdog
Armstrong restored

Started by afroaudio « 1 2 »

20 Replies
377 Views
Last post September 18, 2017, 10:42:57 PM
by Ajay-L
WE300B tubes

Started by Cuco « 1 2 »

20 Replies
814 Views
Last post September 18, 2017, 02:50:00 PM
by Moog
Dynaco ST-70

Started by diklip « 1 2 3 4 »

50 Replies
1,285 Views
Last post September 15, 2017, 11:31:20 PM
by Ampdog
10 Replies
228 Views
Last post September 15, 2017, 03:33:54 PM
by Ampdog
11 Replies
255 Views
Last post September 10, 2017, 11:54:16 AM
by Akomeogi
22 Replies
552 Views
Last post September 01, 2017, 06:23:02 PM
by hope
8 Replies
422 Views
Last post August 30, 2017, 10:48:34 PM
by Qualityten
0 Replies
106 Views
Last post August 29, 2017, 05:56:51 PM
by Mars
10 Replies
353 Views
Last post August 29, 2017, 04:13:27 PM
by Family_Dog
9 Replies
365 Views
Last post August 27, 2017, 07:52:56 PM
by vinyljan
14 Replies
808 Views
Last post August 24, 2017, 12:13:01 PM
by El Sid
9 Replies
421 Views
Last post August 10, 2017, 10:43:27 AM
by GMaestro
Bias setting

Started by diklip

8 Replies
193 Views
Last post August 09, 2017, 11:50:12 PM
by fredeb
17 Replies
603 Views
Last post August 04, 2017, 05:03:15 PM
by charles
7 Replies
264 Views
Last post August 03, 2017, 01:32:46 PM
by handsome
12au7 tubes

Started by diklip « 1 2 3 4 »

56 Replies
1,154 Views
Last post July 31, 2017, 07:08:26 PM
by JohnnyIC

 

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