Welcome To the Hoffman Amplifiers Forum
April 25, 2026, 07:37:33 am
Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 07:37:33 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 14 Guests are viewing this board. | ||||
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Transformer wiring.
Started by AC4 |
37 Replies
8502 Views |
May 23, 2025, 03:23:48 pmby AC4 |
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Parallel Single Ended 5F1
Started by TurboGuitarMelton |
30 Replies
12686 Views |
May 22, 2025, 05:14:39 pm by shooter |
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Reliable source of tested 6P14P valves?
Started by Loomer |
6 Replies
2664 Views |
May 22, 2025, 04:10:14 pm by HotBluePlates |
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EVH5150III pilot light issue
Started by fossilshark |
4 Replies
2383 Views |
May 22, 2025, 01:00:38 pm by mresistor |
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Building Mojotone Princeton Reverb Kit
Started by yahoo |
6 Replies
2567 Views |
May 22, 2025, 11:34:54 am by Lectroid |
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60 Replies
8514 Views |
May 22, 2025, 06:50:55 am by wsscott |
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Using a 6Z4 to 6X4 adapter
Started by kasperbergholt |
5 Replies
2651 Views |
May 21, 2025, 12:04:27 pm by kasperbergholt |
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14 Replies
4001 Views |
May 21, 2025, 07:21:43 am by kagliostro |
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Turrets on PCB (image request)
Started by Opry Audio |
6 Replies
2610 Views |
May 21, 2025, 06:51:06 am by kagliostro |
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SE EL84 build - which PT?
Started by theRagman |
5 Replies
2514 Views |
May 20, 2025, 04:25:20 pm by theRagman |
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6BQ7a Valves
Started by TIMBO |
6 Replies
2501 Views |
May 20, 2025, 03:57:20 pm by kagliostro |
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18 Replies
6444 Views |
May 20, 2025, 01:48:27 pm by tubeswell |
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15 Replies
4294 Views |
May 20, 2025, 09:02:15 am by Willabe |
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16 Replies
4628 Views |
May 17, 2025, 07:30:27 pm by Willabe |
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19 Replies
9500 Views |
May 17, 2025, 03:22:15 pm by pdapalma |
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Bluezmeister
Started by TIMBO |
23 Replies
5348 Views |
May 17, 2025, 05:41:04 am by tubenit |
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5F6-A Build Stumped. Thank you!!!
Started by JimmyJam |
7 Replies
2351 Views |
May 16, 2025, 01:29:49 pm by mresistor |
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warbler-related project
Started by Willabe |
23 Replies
4735 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
2613 Views |
May 15, 2025, 02:15:11 am by stratomaster |
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24 Replies
9023 Views |
May 13, 2025, 08:09:16 pm by jbefumo |
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Moonlight Tone Control
Started by Jonas |
1 Replies
2145 Views |
May 13, 2025, 06:09:58 am by Merlin |
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Fender 6G8/6G12 inspired build
Started by Esquirefreak |
12 Replies
3118 Views |
May 13, 2025, 02:19:38 am by tubeswell |
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11 Replies
3063 Views |
May 12, 2025, 06:31:49 pm by scstill |
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6 Replies
2501 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
2301 Views |
May 11, 2025, 06:13:42 pm by dusty712 |
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8 Replies
2732 Views |
May 11, 2025, 07:50:25 am by pbman1953 |
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15 Replies
3960 Views |
May 10, 2025, 06:49:54 pm by pullshocks |
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7 Replies
2689 Views |
May 10, 2025, 06:11:36 pm by Harvester |
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LND 150 FX loop pcb
Started by joesatch |
17 Replies
4258 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
2737 Views |
May 09, 2025, 08:21:58 am by hylaphone |
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Tube Town EF86 AC18 Tweaks
Started by jjschessmaster |
4 Replies
2397 Views |
May 09, 2025, 05:09:27 am by jjschessmaster |
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3 Replies
2310 Views |
May 09, 2025, 03:42:15 am by BlackCrowe604 |
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9 Replies
2945 Views |
May 07, 2025, 04:25:44 pm by dogburn |
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8 Replies
4409 Views |
May 06, 2025, 06:47:08 pm by tubeswell |
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2 Replies
2124 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
6928 Views |
May 05, 2025, 06:15:18 am by dusty712 |
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Got a Blues Deville RI
Started by Nathan |
18 Replies
4342 Views |
May 01, 2025, 02:04:50 pm by Willabe |
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Choke placement and orientation
Started by dusty712 |
5 Replies
2868 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
2883 Views |
April 30, 2025, 06:23:10 pm by DummyLoad |
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20 Replies
5509 Views |
April 30, 2025, 02:56:53 pm by tubeswell |
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How to identify rectifier tube
Started by punkykatt |
8 Replies
2427 Views |
April 29, 2025, 07:54:32 pm by punkykatt |
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Testing Output Transformers
Started by fossilshark |
9 Replies
3446 Views |
April 28, 2025, 01:35:56 pm by fossilshark |
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21 Replies
4459 Views |
April 27, 2025, 09:30:24 pm by tubeswell |
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1 Replies
2036 Views |
April 27, 2025, 05:23:34 am by Merlin |
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Diagnosing smell from NOS tubes
Started by shattered |
22 Replies
4885 Views |
April 26, 2025, 09:46:15 pm by passaloutre |
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Princeton clone reverb low output
Started by Lectroid |
13 Replies
3686 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
3087 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
3066 Views |
April 24, 2025, 01:38:01 pm by stratomaster |
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Single Channel 6G6
Started by sclinchy |
10 Replies
6784 Views |
April 24, 2025, 09:01:09 am by jonathan_kea |
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18watt Cascade preamp layout
Started by distortionhead |
25 Replies
5946 Views |
April 24, 2025, 04:54:54 am by distortionhead |
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