Subject / Started by Replies / Views Last post
11 Replies
4,404 Views
Last post July 14, 2017, 11:12:53 AM
by El Sid
DIY Simple Output Transformer

Started by Mars « 1 2 3 ... 5 »

65 Replies
50,718 Views
Last post August 14, 2018, 11:12:31 PM
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8 Replies
3,445 Views
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by Family_Dog
Sansui AU111 Valve Amplifier

Started by Ampdog « 1 2 3 ... 5 »

63 Replies
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Last post November 27, 2018, 02:04:55 AM
by Ampdog
Sansui-AU 111 revisited

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35 Replies
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by Ampdog
Steinhart Schematic

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17 Replies
11,203 Views
Last post September 28, 2016, 02:51:40 AM
by Ampdog
Valve etiquette and care

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79 Replies
24,000 Views
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by TriodeFan
What Make Valve?

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24 Replies
6,749 Views
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by Cross_over
1 Replies
906 Views
Last post March 22, 2013, 07:57:54 AM
by shrek
"Solid State" Pentodes

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16 Replies
2,740 Views
Last post May 06, 2016, 03:21:24 PM
by Ampdog
4 Replies
788 Views
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by Ampdog
14 Replies
1,320 Views
Last post August 24, 2018, 11:43:49 PM
by Ampdog
12au7 tubes

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56 Replies
3,516 Views
Last post July 31, 2017, 07:08:26 PM
by JohnnyIC
7 Replies
579 Views
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by Scubadude
1 Replies
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Last post Yesterday at 07:43:21 PM
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2 Replies
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5 Replies
1,892 Views
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9 Replies
1,375 Views
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2 Replies
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by Ampdog
1 Replies
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Last post September 06, 2018, 06:00:50 PM
by Kent Kassler
5687 vs 5687wb

Started by fredeb « 1 2 »

28 Replies
3,007 Views
Last post May 09, 2016, 11:36:43 AM
by fredeb

 

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