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New Posts Show threads Philips 9014 and 9015 ChasLieb
11-2-2020 20:16
  Display thread 2 11-3-2020 16:29  Go to last post
by ChasLieb
New Hot Topic Show threads I think I fixed the problem with my Beveridge OTL DD amplifier Lew
10-13-2020 11:50
  Display thread 11 10-20-2020 14:32  Go to last post
by Lew
Old Hot Topic Show threads "Dun Mei Audio" OTL Amp - anyone seen one before? mmcc73
9-11-2020 07:43
  Display thread 14 9-15-2020 14:11  Go to last post
by mmcc73
New Hot Topic Show threads WANTED: Futterman H3 OTL project - Harvard Electronics or Tech Instruments rogerh113
8-7-2020 07:34
  Display thread 11 10-10-2020 13:58  Go to last post
by Lew
Old Topic Show threads weird RFI? LtMandella
6-13-2020 11:51
  Display thread 5 6-16-2020 12:40  Go to last post
by Ralph
Old Hot Topic Show threads 6LU8s, anyone? Lew
5-23-2020 10:14
  Display thread 56 6-30-2020 08:02  Go to last post
by Lew
Old Topic Show threads tubes 6082 Raytheon sprussog
5-8-2020 11:16
  Display thread 10 5-25-2020 09:57  Go to last post
by pictureguy
Old Topic Show threads I need help figuring out this part of my OTL djn
4-15-2020 09:50
  Display thread 5 4-15-2020 16:25  Go to last post
by Cory M.
Old Hot Topic Show threads How to fire up a 20 OTL??? djn
4-8-2020 14:10
  Display thread 32 4-29-2020 08:07  Go to last post
by djn
Old Topic Show threads these seem like a great deal? LtMandella
3-25-2020 14:30
  Display thread 4 4-10-2020 15:44  Go to last post
by LtMandella
Old Topic Show threads strange SACD problem airheadair
3-11-2020 09:00
  Display thread 3 3-15-2020 20:11  Go to last post
by airheadair
Old Topic Show threads Futterman OTL3 - R29 gets very hot therkild
2-27-2020 13:29
  Display thread 9 4-29-2020 14:02  Go to last post
by rhinohifi714
Old Topic Show threads How to tell when OTL amps are warmed up? Mike Mount
1-31-2020 12:34
  Display thread 2 1-31-2020 18:59  Go to last post
by mcdonald43
Old Topic Show threads Audiotailor Jade OTL upgrade? Ogh
1-22-2020 13:59
  Display thread 3 1-24-2020 05:10  Go to last post
by Ogh
Old Topic Show threads R&R tubes in Transcendent T8-LN LtMandella
11-30-2019 17:34
  Display thread 10 1-20-2020 15:21  Go to last post
by LtMandella
Old Topic Show threads Futterman headphone amp throwback
11-26-2019 10:48
  Display thread 4 12-9-2019 13:30  Go to last post
by throwback
Old Topic Show threads "Burning In" and Pre-Heating OTL Output Tubes Cory M.
9-15-2019 11:48
  Display thread 6 4-15-2020 14:34  Go to last post
by Cory M.
Old Topic Show threads otl parts Solar Bill
9-9-2019 10:11
  Display thread 1 9-15-2019 12:07  Go to last post
by Cory M.
Old Hot Topic Show threads Futterman H3 amp 'upgrades' rogerh113
7-31-2019 10:31
  Display thread 71 7-18-2020 06:40  Go to last post
by rogerh113
Old Topic Show threads 'New' output-stage powersupply for my MA-1/3.1s jeffreybehr
6-27-2019 12:59
  Display thread 2 8-6-2019 19:41  Go to last post
by jeffreybehr
Old Hot Topic Show threads New installation of my A-S OTL amps jeffreybehr
6-14-2019 20:36
  Display thread 22 7-9-2019 11:07  Go to last post
by jeffreybehr
Old Topic Show threads Help with Autotransformers Cory M.
6-13-2019 18:26
  Display thread 5 6-16-2019 14:06  Go to last post
by Cory M.
Old Topic Show threads I've been enjoying my first OTL amp over this long weekend- Cory M.
5-27-2019 18:38
  Display thread 1 5-27-2019 18:52  Go to last post
by LtMandella
Old Topic Show threads Russian Winged-C 6H13Cs only $5.10 plus shipping! jeffreybehr
5-18-2019 11:38
  Display thread 2 7-24-2019 12:53  Go to last post
by jeffreybehr
Old Topic Show threads Anyone tried one of these? mcdonald43
5-10-2019 19:18
  Display thread 2 5-13-2019 06:48  Go to last post
by LineArrayNut

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