Subject / Started by Replies / Views Last post
11 Replies
3,379 Views
Last post July 14, 2017, 11:12:53 AM
by El Sid
DIY Simple Output Transformer

Started by Mars « 1 2 3 ... 5 »

63 Replies
44,356 Views
Last post June 10, 2018, 06:03:17 PM
by Ampdog
8 Replies
2,535 Views
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32 Replies
9,709 Views
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1 Replies
927 Views
Last post October 31, 2017, 08:45:06 PM
by Family_Dog
46 Replies
22,576 Views
Last post January 10, 2014, 03:38:33 PM
by Ampdog
Sansui-AU 111 revisited

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35 Replies
8,992 Views
Last post July 16, 2018, 01:34:51 AM
by Ampdog
Steinhart Schematic

Started by Family_Dog « 1 2 »

17 Replies
9,351 Views
Last post September 28, 2016, 02:51:40 AM
by Ampdog
Valve etiquette and care

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

79 Replies
19,175 Views
Last post October 25, 2016, 09:21:30 PM
by TriodeFan
What Make Valve?

Started by MadHat « 1 2 »

23 Replies
4,785 Views
Last post July 29, 2016, 11:09:08 AM
by Triton
1 Replies
866 Views
Last post March 22, 2013, 07:57:54 AM
by shrek
"Solid State" Pentodes

Started by Eejit « 1 2 »

16 Replies
2,350 Views
Last post May 06, 2016, 03:21:24 PM
by Ampdog
4 Replies
729 Views
Last post May 15, 2016, 12:29:30 PM
by Ampdog
9 Replies
460 Views
Last post June 25, 2018, 12:30:46 PM
by Mars
12au7 tubes

Started by diklip « 1 2 3 4 »

56 Replies
2,842 Views
Last post July 31, 2017, 07:08:26 PM
by JohnnyIC
7 Replies
219 Views
Last post June 27, 2018, 06:07:03 AM
by Scubadude
2 Replies
678 Views
Last post April 20, 2017, 04:10:09 PM
by Mars
5 Replies
1,796 Views
Last post September 18, 2013, 11:41:32 AM
by handsome
9 Replies
1,298 Views
Last post August 22, 2014, 08:13:57 PM
by handsome
2 Replies
557 Views
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by Kent Kassler
6 Replies
2,774 Views
Last post December 05, 2012, 02:44:49 AM
by Ampdog
5687 vs 5687wb

Started by fredeb « 1 2 »

28 Replies
2,638 Views
Last post May 09, 2016, 11:36:43 AM
by fredeb
5C3S vs 5AR4

Started by fredeb « 1 2 »

18 Replies
2,716 Views
Last post October 28, 2016, 06:06:13 PM
by Family_Dog
6 Replies
2,391 Views
Last post November 27, 2012, 04:05:29 AM
by Ampdog
6922 Tube

Started by Kontanie « 1 2 »

24 Replies
4,678 Views
Last post November 27, 2014, 10:40:55 PM
by Ampdog

 

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