Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:33:39 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:33:39 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 16 Guests are viewing this board. | ||||
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What to build with this AO-29?
Started by Toxophilite |
35 Replies
7457 Views |
April 05, 2015, 01:20:12 amby Toxophilite |
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Fender Amp schematic/layout problems
Started by Underwood |
12 Replies
3460 Views |
April 04, 2015, 05:44:03 pm by meycom |
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Quad Bias Supply
Started by TIMBO |
18 Replies
5131 Views |
April 03, 2015, 11:44:37 pm by TIMBO |
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Question on KT-66 vs 6L6 vs EL34K
Started by markmalin |
8 Replies
3179 Views |
April 03, 2015, 08:17:54 pm by shooter |
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197 Replies
40041 Views |
April 03, 2015, 05:16:12 pm by TIMBO |
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Tone stacks 5F6A vs Ab763
Started by Toxophilite |
17 Replies
9897 Views |
April 02, 2015, 11:18:29 pm by jjasilli |
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35 Replies
8458 Views |
April 02, 2015, 04:18:44 pm by jojokeo |
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When Perfect is too Perfect
Started by TerryD |
2 Replies
1891 Views |
April 02, 2015, 12:48:24 pm by shooter |
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No sound when on, then suddenly sound
Started by aro |
30 Replies
5847 Views |
April 02, 2015, 10:20:45 am by aro |
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How to improve tremolo intensity?
Started by MadMax |
12 Replies
10837 Views |
April 01, 2015, 08:17:42 pm by MadMax |
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adding a Power Amp IN?
Started by Mook |
2 Replies
1901 Views |
April 01, 2015, 06:43:29 pm by Mook |
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Help organize my board layout
Started by hesamadman |
14 Replies
3795 Views |
March 31, 2015, 02:52:44 pm by EL34 |
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6 Replies
2419 Views |
March 31, 2015, 02:50:23 pm by EL34 |
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100 Replies
26622 Views |
March 31, 2015, 12:26:05 pm by Siku Music |
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18W Stout input channels
Started by terminalgs |
11 Replies
5165 Views |
March 31, 2015, 11:44:44 am by terminalgs |
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bias switching
Started by shooter |
15 Replies
4271 Views |
March 31, 2015, 04:05:14 am by kagliostro |
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1 Replies
1745 Views |
March 30, 2015, 01:39:12 pm by kagliostro |
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todays haul
Started by Toxophilite |
2 Replies
1769 Views |
March 30, 2015, 10:42:31 am by Toxophilite |
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Ampeg V-4BH low output
Started by BigE |
2 Replies
1732 Views |
March 30, 2015, 08:45:37 am by BigE |
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Sluckey AB763 lite build question
Started by Toxophilite |
16 Replies
4418 Views |
March 29, 2015, 11:29:09 pm by Toxophilite |
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Output P/T suggestion
Started by ernie_jr |
5 Replies
2387 Views |
March 29, 2015, 06:51:42 pm by DummyLoad |
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Champion 600 reissue
Started by Toxophilite |
4 Replies
2464 Views |
March 29, 2015, 04:05:23 pm by Toxophilite |
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10 Replies
4945 Views |
March 29, 2015, 02:34:28 pm by TubeGeek |
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Hoffman Princeton Reverb Build
Started by sclinchy |
3 Replies
1926 Views |
March 29, 2015, 07:28:59 am by EL34 |
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Amp Switching Circuit Popping
Started by 8Len8 |
12 Replies
6050 Views |
March 28, 2015, 03:38:34 pm by 2deaf |
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2 Replies
1895 Views |
March 28, 2015, 01:53:18 pm by MakerDP |
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Weber power transformer hookup options
Started by 1gonecat |
6 Replies
2919 Views |
March 27, 2015, 05:36:25 am by 1gonecat |
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9 Replies
2792 Views |
March 27, 2015, 04:34:02 am by kagliostro |
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0 Replies
1629 Views |
March 26, 2015, 09:36:25 am by guitarboy58 |
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Causes of inadequate output power
Started by Matt C. |
5 Replies
2055 Views |
March 25, 2015, 08:29:21 pm by PRR |
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Reverb is sucking my signal?!?!
Started by hesamadman |
3 Replies
1869 Views |
March 25, 2015, 07:31:07 pm by hesamadman |
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Turret Boards
Started by kl2mcbride |
18 Replies
4670 Views |
March 25, 2015, 10:57:40 am by Fresh_Start |
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11 Replies
3229 Views |
March 25, 2015, 10:09:46 am by super&plexi |
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My first amp build (18W)
Started by pickdropper |
14 Replies
3655 Views |
March 25, 2015, 09:36:36 am by supro66 |
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Sudden flash in EL84
Started by hesamadman |
3 Replies
2257 Views |
March 25, 2015, 08:27:12 am by sluckey |
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D'Mars ODS EL84 quad
Started by Glennjeff |
17 Replies
5045 Views |
March 25, 2015, 07:32:09 am by Glennjeff |
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5e3M Deluxe 1 watt
Started by tubenit |
0 Replies
2019 Views |
March 25, 2015, 05:06:34 am by tubenit |
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Push pull 50W, suggestions ?
Started by Colas LeGrippa |
7 Replies
2422 Views |
March 24, 2015, 09:23:48 pm by Glennjeff |
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7 Replies
2462 Views |
March 24, 2015, 04:06:19 pm by sluckey |
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Filament Overvoltage
Started by clyde |
7 Replies
2768 Views |
March 23, 2015, 07:40:53 pm by Willabe |
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12AY7 8 pin equivalent
Started by TIMBO |
14 Replies
6433 Views |
March 23, 2015, 02:01:34 pm by TIMBO |
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2 Replies
2190 Views |
March 23, 2015, 02:07:05 am by kagliostro |
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HiFi for some dudes at work
Started by nateflanigan |
9 Replies
3039 Views |
March 23, 2015, 12:16:13 am by PRR |
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New Revibe: done! Needs fixing!
Started by SleepLess |
8 Replies
2582 Views |
March 22, 2015, 05:50:33 pm by shooter |
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RCA plug for speaker jack on Fender amp
Started by Underwood |
25 Replies
7282 Views |
March 22, 2015, 10:31:28 am by Jim Coash |
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Deluxe reverb 2 channel or 1
Started by JGk |
6 Replies
2949 Views |
March 21, 2015, 11:37:39 pm by Fresh_Start |
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Repairing Blackface Bassman AB165
Started by MakerDP |
14 Replies
6076 Views |
March 21, 2015, 11:10:49 pm by MakerDP |
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SS rectifumcation
Started by Toxophilite |
5 Replies
2309 Views |
March 21, 2015, 01:17:50 am by Toxophilite |
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What Am I Seeing?
Started by zendragon63 |
6 Replies
2584 Views |
March 20, 2015, 11:03:21 pm by PRR |
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Ampeg B18 loud HUMMMMMMMMMMMM
Started by nateflanigan |
6 Replies
3440 Views |
March 20, 2015, 07:07:49 pm by nateflanigan |
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