Welcome To the Hoffman Amplifiers Forum
March 10, 2026, 07:25:07 pm
Welcome To the Hoffman Amplifiers ForumMarch 10, 2026, 07:25:07 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 31 Guests are viewing this board. | ||||
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Debugging suggestions for buzzing amp?
Started by Lectroid |
2 Replies
1373 Views |
March 17, 2025, 03:04:05 pmby Lectroid |
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Rectification question
Started by joesatch |
6 Replies
2604 Views |
March 16, 2025, 02:20:05 pm by joesatch |
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Cri-Call by HIFI Valve Baby Alarm Unit
Started by Rontone |
15 Replies
4624 Views |
March 14, 2025, 04:34:05 pm by shooter |
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tube effects loop schematic
Started by Tone Junkie |
19 Replies
22278 Views |
March 13, 2025, 12:10:22 pm by Latole |
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15 Replies
3251 Views |
March 12, 2025, 06:56:22 pm by roarshock |
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Single jack 5E3 on a 5F2 chassis
Started by Brownie |
11 Replies
4021 Views |
March 12, 2025, 05:30:00 pm by tubeswell |
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8 Replies
2204 Views |
March 11, 2025, 07:16:32 pm by Markbou |
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6 Replies
2532 Views |
March 10, 2025, 05:22:55 am by fkitch |
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silver jubilee turret layout
Started by joesatch |
5 Replies
1901 Views |
March 09, 2025, 10:16:51 pm by glass54 |
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Magnatone MP5 - Tremolo help...
Started by O-Fuzz |
24 Replies
9714 Views |
March 09, 2025, 03:28:14 pm by Zoe Warren |
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Vibrolux Reverb OT Taps and volume
Started by Skeeter_pdx |
16 Replies
3596 Views |
March 09, 2025, 12:00:47 pm by Willabe |
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5 Replies
2249 Views |
March 08, 2025, 08:51:36 am by bmccowan |
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8 Replies
2463 Views |
March 07, 2025, 09:19:01 pm by Skeeter_pdx |
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22 Replies
4335 Views |
March 07, 2025, 09:02:50 pm by Platefire |
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11 Replies
4414 Views |
March 07, 2025, 07:04:20 pm by tubeswell |
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47uf/50v caps in place of 47uf/100v cap
Started by punkykatt |
3 Replies
1542 Views |
March 07, 2025, 06:05:01 pm by punkykatt |
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Fender Gibbs Reverb pan questions
Started by mresistor |
8 Replies
2661 Views |
March 07, 2025, 03:42:58 am by Bieworm |
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23 Replies
5472 Views |
March 06, 2025, 04:31:47 pm by HotBluePlates |
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5F1 first build preamp voltages issue
Started by FREYES_7 |
2 Replies
1446 Views |
March 06, 2025, 07:18:16 am by FREYES_7 |
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LED bias and negative feedback
Started by passaloutre |
4 Replies
1819 Views |
March 05, 2025, 04:34:02 pm by passaloutre |
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filter cap values, traynor yba4
Started by colorado |
2 Replies
1455 Views |
March 05, 2025, 10:03:54 am by shooter |
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3 Replies
1639 Views |
March 05, 2025, 05:40:14 am by Merlin |
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Schematics and layout drawings.
Started by Willabe |
28 Replies
7297 Views |
March 04, 2025, 01:00:20 pm by passaloutre |
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Mesa Mark II C (sp10a) export
Started by 74-335 |
4 Replies
1937 Views |
March 04, 2025, 10:24:34 am by acheld |
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Mini TOS SE with FX Loop Build
Started by PharmRock |
7 Replies
2207 Views |
March 02, 2025, 08:57:15 pm by PharmRock |
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6N5P Russian made
Started by Cliff Rogers |
3 Replies
2338 Views |
March 02, 2025, 09:56:53 am by jansch |
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Hello from a new member
Started by stw307 |
37 Replies
10151 Views |
March 02, 2025, 03:40:43 am by stw307 |
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6 Replies
2277 Views |
March 02, 2025, 02:32:47 am by Latole |
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L pad passive attenuator
Started by Snake5150 |
3 Replies
1724 Views |
February 28, 2025, 06:28:20 pm by Merlin |
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8 Replies
2263 Views |
February 28, 2025, 01:37:49 pm by Redwood |
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Help identifying heavy hum
Started by kasperbergholt |
7 Replies
2236 Views |
February 28, 2025, 01:28:28 pm by tubeswell |
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9 Replies
3151 Views |
February 28, 2025, 12:15:59 pm by shooter |
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Triwec Output Transformer info needed
Started by wsscott |
3 Replies
1613 Views |
February 28, 2025, 08:09:51 am by wsscott |
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My First Tube Amp Build
Started by mar2112 |
9 Replies
2637 Views |
February 27, 2025, 10:16:25 pm by mar2112 |
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3 Prong Grounded Cord Reference
Started by plexi50 |
4 Replies
1978 Views |
February 27, 2025, 09:23:37 am by jjasilli |
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Testing output transformer
Started by fossilshark |
2 Replies
1768 Views |
February 26, 2025, 02:16:09 pm by kagliostro |
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134 Replies
26067 Views |
February 25, 2025, 07:55:54 pm by Richs1979 |
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23 Replies
4931 Views |
February 25, 2025, 07:38:36 pm by Willabe |
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Fender Custom 68’ Pro Reverb findings
Started by goldstache |
0 Replies
1303 Views |
February 25, 2025, 05:16:35 pm by goldstache |
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DIY attenuator build
Started by Snake5150 |
11 Replies
3079 Views |
February 25, 2025, 11:42:19 am by 66Strat |
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capactior/ ESR meter recommendations
Started by joesatch |
3 Replies
2008 Views |
February 25, 2025, 10:50:20 am by Willabe |
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Fixed biasing el84s
Started by jordan86 |
8 Replies
2603 Views |
February 25, 2025, 05:46:40 am by Merlin |
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Master volume and grid leak resistors
Started by Snake5150 |
2 Replies
1584 Views |
February 25, 2025, 04:28:26 am by tubeswell |
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Matchless Clubman build
Started by didierleclair |
11 Replies
3476 Views |
February 24, 2025, 06:25:19 pm by pdf64 |
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DuKane Super Amp Build
Started by dmp |
2 Replies
1683 Views |
February 24, 2025, 11:49:30 am by dmp |
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Impedance selector wiring
Started by Snake5150 |
1 Replies
1419 Views |
February 23, 2025, 04:01:16 pm by SEL49 |
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Silvertone 1472 0n the bench(Platefire)
Started by rafe |
27 Replies
4752 Views |
February 23, 2025, 02:45:00 pm by Platefire |
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Power Supply Issue
Started by TomG |
6 Replies
1919 Views |
February 22, 2025, 08:10:54 pm by TomG |
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Reverb Circuit Recommendations
Started by Thisismyname |
12 Replies
3323 Views |
February 22, 2025, 10:06:18 am by Thisismyname |
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lubricating a sliding eq
Started by pbman1953 |
5 Replies
1801 Views |
February 22, 2025, 08:16:28 am by shooter |
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