Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 03:29:04 am
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 03:29:04 am | ||
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| 0 Members and 32 Guests are viewing this board. | ||||
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50K trimpot wiring in JCM800
Started by SleepLess |
11 Replies
5054 Views |
April 26, 2017, 11:04:44 amby sluckey |
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7 Replies
4482 Views |
April 26, 2017, 07:40:30 am by ratgon |
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Tremolo intensity too deep or intense
Started by dude |
5 Replies
4417 Views |
April 25, 2017, 03:46:31 pm by kagliostro |
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5 Replies
4911 Views |
April 24, 2017, 08:28:50 pm by frpax |
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Hoffmann 5F6A bias circuit
Started by Bangy |
13 Replies
7357 Views |
April 24, 2017, 06:19:09 pm by Bangy |
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Amp blew fuse, now hummmmms. Bad caps?
Started by jeff |
20 Replies
8397 Views |
April 24, 2017, 02:02:23 pm by jeff |
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2 Replies
3442 Views |
April 24, 2017, 11:21:47 am by kagliostro |
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CMB. 70s Orange/Matamp clone
Started by chocopower |
19 Replies
8937 Views |
April 24, 2017, 07:43:40 am by chocopower |
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Bias Voltage Transformer
Started by J Rindt |
10 Replies
6005 Views |
April 23, 2017, 03:50:33 pm by J Rindt |
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HoSo56 Minimalist
Started by Deric |
4 Replies
4427 Views |
April 23, 2017, 02:33:49 pm by tubenit |
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16 Replies
10523 Views |
April 23, 2017, 01:56:55 pm by HotBluePlates |
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Homemade Orange Tiny Terror clone
Started by sarkipinty |
3 Replies
7034 Views |
April 23, 2017, 03:28:35 am by birt |
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16 Replies
9477 Views |
April 22, 2017, 02:57:07 pm by Sonny ReVerb |
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Amp construction methods
Started by fossilshark |
5 Replies
5247 Views |
April 21, 2017, 12:06:25 pm by Ed_Chambley |
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68 Super Reverb doing very strange things
Started by TerryD |
4 Replies
3738 Views |
April 21, 2017, 10:25:59 am by TerryD |
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30 Replies
11694 Views |
April 20, 2017, 12:15:16 pm by kagliostro |
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5879 tube examples
Started by tubenit |
19 Replies
15044 Views |
April 19, 2017, 09:38:10 pm by jojokeo |
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Ideal 12ax7 bias
Started by Colas LeGrippa |
12 Replies
9537 Views |
April 19, 2017, 06:45:25 pm by PRR |
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Stereo 5f2a build - TMB stack issue
Started by cusebassman |
19 Replies
8338 Views |
April 19, 2017, 06:16:02 pm by cusebassman |
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How do you check an output transformer
Started by TerryD |
7 Replies
4438 Views |
April 19, 2017, 05:06:47 pm by Bluemeany |
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Suggestions needed for new project
Started by frpax |
8 Replies
4935 Views |
April 19, 2017, 04:54:52 pm by SILVERGUN |
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New build eating power tubes
Started by GeorgeG |
24 Replies
8769 Views |
April 19, 2017, 01:59:00 pm by GeorgeG |
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13 Replies
5773 Views |
April 18, 2017, 12:13:44 pm by drgonzonm |
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MOVED: Davoli Krundal D8066 schematic ?
Started by Willabe |
0 Replies
3407 Views |
April 18, 2017, 08:47:10 am by Willabe |
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Hoffman 100W Plexi Power Supply Layout
Started by Ledzepp007 |
4 Replies
3954 Views |
April 17, 2017, 09:23:25 pm by sluckey |
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0 Replies
3146 Views |
April 17, 2017, 05:07:57 pm by Willabe |
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0 Replies
3440 Views |
April 17, 2017, 02:26:16 pm by Willabe |
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Help with Bias on a 68 Super Reverb
Started by TerryD |
4 Replies
4225 Views |
April 17, 2017, 10:00:45 am by TerryD |
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Adding a gain stage
Started by fossilshark |
21 Replies
14335 Views |
April 17, 2017, 08:13:01 am by Crate50watt |
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transformer help please
Started by jase128 |
4 Replies
3743 Views |
April 16, 2017, 06:11:56 pm by jase128 |
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Another go at this Tremolo.....
Started by TIMBO |
12 Replies
4380 Views |
April 16, 2017, 10:12:33 am by tubenit |
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23 Replies
7978 Views |
April 16, 2017, 09:08:35 am by jeff |
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EL34 tubes with 540v screen voltage
Started by chocopower |
34 Replies
14528 Views |
April 15, 2017, 08:16:10 pm by chocopower |
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Need more treble
Started by fossilshark |
4 Replies
4107 Views |
April 15, 2017, 04:02:05 pm by DummyLoad |
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5 Replies
10359 Views |
April 15, 2017, 01:10:53 am by smackoj |
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18w project
Started by jay_back_in_chicago « 1 2 » |
51 Replies
18042 Views |
April 14, 2017, 11:43:51 pm by Willabe |
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0 Replies
2960 Views |
April 14, 2017, 07:56:33 pm by Willabe |
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Fine tuning a 12ax7
Started by Colas LeGrippa |
9 Replies
5426 Views |
April 14, 2017, 04:13:15 pm by Colas LeGrippa |
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MOVED: Fulltone TTE pre-amp schematic?
Started by Willabe |
0 Replies
2952 Views |
April 13, 2017, 05:34:06 pm by Willabe |
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47 Replies
15960 Views |
April 12, 2017, 11:07:34 pm by jase128 |
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9 Replies
5355 Views |
April 12, 2017, 10:27:12 pm by HotBluePlates |
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Biasing cathode amp question
Started by dude |
13 Replies
7512 Views |
April 12, 2017, 06:11:44 pm by dude |
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8 Replies
8679 Views |
April 12, 2017, 08:38:45 am by GeorgeG |
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Plexi 50 Question
Started by taylorc315 |
3 Replies
3607 Views |
April 11, 2017, 11:06:58 pm by Ritchie200 |
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Question on Hoffman Deluxe Reverb build
Started by Joeriz |
5 Replies
4183 Views |
April 10, 2017, 07:11:41 pm by Tone Junkie |
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4 Replies
4640 Views |
April 10, 2017, 06:43:29 pm by smackoj |
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Power too low
Started by Leevi |
8 Replies
3867 Views |
April 10, 2017, 06:18:01 am by Leevi |
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OT for 6AQ5 in PP?
Started by fixitz |
3 Replies
3898 Views |
April 10, 2017, 01:55:23 am by fixitz |
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Tore-vibe, any downsides ?
Started by warioblast |
0 Replies
3133 Views |
April 09, 2017, 07:37:11 pm by warioblast |
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18 Replies
11130 Views |
April 08, 2017, 05:05:45 pm by frankenxtein |
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