Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 03:13:15 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 03:13:15 am | ||
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| 0 Members and 24 Guests are viewing this board. | ||||
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22 Replies
2821 Views |
March 07, 2025, 09:02:50 pmby Platefire |
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11 Replies
2109 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
864 Views |
March 07, 2025, 06:05:01 pm by punkykatt |
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Fender Gibbs Reverb pan questions
Started by mresistor |
8 Replies
1676 Views |
March 07, 2025, 03:42:58 am by Bieworm |
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23 Replies
3745 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
733 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
951 Views |
March 05, 2025, 04:34:02 pm by passaloutre |
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filter cap values, traynor yba4
Started by colorado |
2 Replies
740 Views |
March 05, 2025, 10:03:54 am by shooter |
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3 Replies
816 Views |
March 05, 2025, 05:40:14 am by Merlin |
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Schematics and layout drawings.
Started by Willabe |
28 Replies
5021 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
1149 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
1358 Views |
March 02, 2025, 08:57:15 pm by PharmRock |
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6N5P Russian made
Started by Cliff Rogers |
3 Replies
1450 Views |
March 02, 2025, 09:56:53 am by jansch |
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Hello from a new member
Started by stw307 |
37 Replies
6947 Views |
March 02, 2025, 03:40:43 am by stw307 |
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6 Replies
1112 Views |
March 02, 2025, 02:32:47 am by Latole |
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L pad passive attenuator
Started by Snake5150 |
3 Replies
957 Views |
February 28, 2025, 06:28:20 pm by Merlin |
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8 Replies
1376 Views |
February 28, 2025, 01:37:49 pm by Redwood |
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Help identifying heavy hum
Started by kasperbergholt |
7 Replies
1230 Views |
February 28, 2025, 01:28:28 pm by tubeswell |
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9 Replies
2007 Views |
February 28, 2025, 12:15:59 pm by shooter |
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Triwec Output Transformer info needed
Started by wsscott |
3 Replies
887 Views |
February 28, 2025, 08:09:51 am by wsscott |
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My First Tube Amp Build
Started by mar2112 |
9 Replies
1640 Views |
February 27, 2025, 10:16:25 pm by mar2112 |
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3 Prong Grounded Cord Reference
Started by plexi50 |
4 Replies
1129 Views |
February 27, 2025, 09:23:37 am by jjasilli |
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Testing output transformer
Started by fossilshark |
2 Replies
989 Views |
February 26, 2025, 02:16:09 pm by kagliostro |
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134 Replies
17844 Views |
February 25, 2025, 07:55:54 pm by Richs1979 |
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23 Replies
3118 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
706 Views |
February 25, 2025, 05:16:35 pm by goldstache |
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DIY attenuator build
Started by Snake5150 |
11 Replies
1741 Views |
February 25, 2025, 11:42:19 am by 66Strat |
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capactior/ ESR meter recommendations
Started by joesatch |
3 Replies
1154 Views |
February 25, 2025, 10:50:20 am by Willabe |
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Fixed biasing el84s
Started by jordan86 |
8 Replies
1360 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
898 Views |
February 25, 2025, 04:28:26 am by tubeswell |
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Matchless Clubman build
Started by didierleclair |
11 Replies
2191 Views |
February 24, 2025, 06:25:19 pm by pdf64 |
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DuKane Super Amp Build
Started by dmp |
2 Replies
999 Views |
February 24, 2025, 11:49:30 am by dmp |
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Impedance selector wiring
Started by Snake5150 |
1 Replies
790 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
3214 Views |
February 23, 2025, 02:45:00 pm by Platefire |
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Power Supply Issue
Started by TomG |
6 Replies
964 Views |
February 22, 2025, 08:10:54 pm by TomG |
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Reverb Circuit Recommendations
Started by Thisismyname |
12 Replies
1616 Views |
February 22, 2025, 10:06:18 am by Thisismyname |
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lubricating a sliding eq
Started by pbman1953 |
5 Replies
951 Views |
February 22, 2025, 08:16:28 am by shooter |
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super original 64 vibrochamp recap??
Started by bullkelp |
33 Replies
2773 Views |
February 22, 2025, 02:56:52 am by Latole |
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8K OT with EL34's how?
Started by joesatch |
26 Replies
3138 Views |
February 21, 2025, 11:07:53 am by jojokeo |
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Early Gibson GA 40 Foot Switch Wiring
Started by plexi50 |
14 Replies
5141 Views |
February 20, 2025, 01:01:58 pm by Platefire |
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2 Replies
890 Views |
February 20, 2025, 08:50:33 am by Lauri |
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Parallel v1 guidance
Started by joesatch |
6 Replies
1317 Views |
February 19, 2025, 11:35:51 pm by tubeswell |
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Hiss at idle ... ideas?
Started by Diverted |
9 Replies
1309 Views |
February 18, 2025, 02:48:32 pm by Willabe |
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Buguera G5 Infinium bad work
Started by J. Ignacio |
15 Replies
2056 Views |
February 18, 2025, 07:57:19 am by ac427v |
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Jtm 45 tone stack
Started by Snake5150 |
23 Replies
2410 Views |
February 17, 2025, 09:18:54 pm by Snake5150 |
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5e3 Adjustable Cathode Resistor Mod
Started by SteveInMN |
17 Replies
2603 Views |
February 16, 2025, 12:07:48 pm by SEL49 |
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'63 Tremolux with scratchy pots
Started by SteveInMN |
13 Replies
1855 Views |
February 16, 2025, 10:10:24 am by SteveInMN |
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Fender 6G4A Super / Intensity Pot Pop!
Started by plexi50 |
49 Replies
4525 Views |
February 15, 2025, 03:30:27 pm by plexi50 |
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14 Replies
10974 Views |
February 15, 2025, 03:57:20 am by pdf64 |
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42 Replies
4043 Views |
February 14, 2025, 02:51:44 pm by Woodrow F Call |
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