Welcome To the Hoffman Amplifiers Forum
July 25, 2026, 05:35:32 am
Welcome To the Hoffman Amplifiers ForumJuly 25, 2026, 05:35:32 am | ||
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Bluezmeister
Started by TIMBO |
23 Replies
6976 Views |
May 17, 2025, 05:41:04 amby tubenit |
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5F6-A Build Stumped. Thank you!!!
Started by JimmyJam |
7 Replies
3461 Views |
May 16, 2025, 01:29:49 pm by mresistor |
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warbler-related project
Started by Willabe |
23 Replies
6886 Views |
May 15, 2025, 09:37:05 am by Brinkman |
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5E9-A Depth control and PI bias
Started by stratomaster |
5 Replies
3818 Views |
May 15, 2025, 02:15:11 am by stratomaster |
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24 Replies
10833 Views |
May 13, 2025, 08:09:16 pm by jbefumo |
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Moonlight Tone Control
Started by Jonas |
1 Replies
3139 Views |
May 13, 2025, 06:09:58 am by Merlin |
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Fender 6G8/6G12 inspired build
Started by Esquirefreak |
12 Replies
4284 Views |
May 13, 2025, 02:19:38 am by tubeswell |
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11 Replies
4269 Views |
May 12, 2025, 06:31:49 pm by scstill |
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6 Replies
3757 Views |
May 12, 2025, 07:41:39 am by Nathan |
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Acceptable noise in new amp build
Started by dusty712 |
2 Replies
3429 Views |
May 11, 2025, 06:13:42 pm by dusty712 |
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8 Replies
4010 Views |
May 11, 2025, 07:50:25 am by pbman1953 |
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15 Replies
5368 Views |
May 10, 2025, 06:49:54 pm by pullshocks |
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7 Replies
3809 Views |
May 10, 2025, 06:11:36 pm by Harvester |
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LND 150 FX loop pcb
Started by joesatch |
17 Replies
5811 Views |
May 10, 2025, 05:00:57 pm by tristanc |
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Riviera amp with a mysterious fault
Started by hylaphone |
6 Replies
4015 Views |
May 09, 2025, 08:21:58 am by hylaphone |
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Tube Town EF86 AC18 Tweaks
Started by jjschessmaster |
4 Replies
3632 Views |
May 09, 2025, 05:09:27 am by jjschessmaster |
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3 Replies
3440 Views |
May 09, 2025, 03:42:15 am by BlackCrowe604 |
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9 Replies
4441 Views |
May 07, 2025, 04:25:44 pm by dogburn |
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8 Replies
5626 Views |
May 06, 2025, 06:47:08 pm by tubeswell |
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2 Replies
3200 Views |
May 06, 2025, 12:21:55 pm by CascoSieg |
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Sunn Model T clone individual tube bias
Started by dusty712 |
30 Replies
9407 Views |
May 05, 2025, 06:15:18 am by dusty712 |
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Got a Blues Deville RI
Started by Nathan |
18 Replies
6308 Views |
May 01, 2025, 02:04:50 pm by Willabe |
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Choke placement and orientation
Started by dusty712 |
5 Replies
4086 Views |
April 30, 2025, 08:55:09 pm by dusty712 |
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Pentode operation in preamp and 2nd stage
Started by scstill |
3 Replies
4639 Views |
April 30, 2025, 06:23:10 pm by DummyLoad |
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20 Replies
7943 Views |
April 30, 2025, 02:56:53 pm by tubeswell |
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How to identify rectifier tube
Started by punkykatt |
8 Replies
3834 Views |
April 29, 2025, 07:54:32 pm by punkykatt |
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Testing Output Transformers
Started by fossilshark |
9 Replies
4858 Views |
April 28, 2025, 01:35:56 pm by fossilshark |
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21 Replies
6467 Views |
April 27, 2025, 09:30:24 pm by tubeswell |
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1 Replies
3038 Views |
April 27, 2025, 05:23:34 am by Merlin |
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Diagnosing smell from NOS tubes
Started by shattered |
22 Replies
6888 Views |
April 26, 2025, 09:46:15 pm by passaloutre |
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Princeton clone reverb low output
Started by Lectroid |
13 Replies
5276 Views |
April 26, 2025, 10:31:41 am by Willabe |
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cap to ground on mid pot?
Started by joesatch |
7 Replies
4347 Views |
April 25, 2025, 03:54:52 pm by Willabe |
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O-scope - When all else fails
Started by stratomaster |
7 Replies
4373 Views |
April 24, 2025, 01:38:01 pm by stratomaster |
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Single Channel 6G6
Started by sclinchy |
10 Replies
8039 Views |
April 24, 2025, 09:01:09 am by jonathan_kea |
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18watt Cascade preamp layout
Started by distortionhead |
25 Replies
7828 Views |
April 24, 2025, 04:54:54 am by distortionhead |
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Jet city custom 22
Started by Tone Junkie |
2 Replies
3652 Views |
April 23, 2025, 11:41:16 am by Tone Junkie |
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TAD KT66 with loose base
Started by RoadShow |
9 Replies
4404 Views |
April 22, 2025, 11:25:39 am by RoadShow |
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70 Replies
24293 Views |
April 21, 2025, 08:28:27 pm by tubeswell |
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12 Replies
12078 Views |
April 21, 2025, 03:39:27 pm by tremdoctor |
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48 Replies
20908 Views |
April 20, 2025, 11:28:59 am by Yeatzee |
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Bias current vs. voltage
Started by Lectroid |
8 Replies
4719 Views |
April 20, 2025, 09:56:26 am by Lectroid |
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15 Replies
6675 Views |
April 18, 2025, 12:24:21 pm by B-Rex |
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6 Replies
4678 Views |
April 17, 2025, 06:13:14 pm by BlackCrowe604 |
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hot rod deluxe dumble pcb
Started by Mattjaco1 |
5 Replies
4808 Views |
April 17, 2025, 11:18:45 am by Mattjaco1 |
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Bad reverb transformer? maybe the tank?
Started by KimboDb |
30 Replies
15329 Views |
April 16, 2025, 08:30:00 pm by tubeswell |
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Hammond 1140-LN-E Transformer
Started by exnihilfit |
5 Replies
4414 Views |
April 16, 2025, 12:25:10 pm by exnihilfit |
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4 Replies
4166 Views |
April 16, 2025, 07:54:00 am by Lectroid |
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24 Replies
8831 Views |
April 16, 2025, 04:47:27 am by Latole |
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Bias circuit assistance.
Started by joesatch |
4 Replies
3544 Views |
April 15, 2025, 12:03:04 pm by tubeswell |
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4 Replies
3869 Views |
April 15, 2025, 11:38:42 am by scstill |
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