Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:53:21 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:53:21 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 23 Guests are viewing this board. | ||||
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Help with this preamp schematic
Started by hesamadman |
9 Replies
4842 Views |
June 14, 2015, 09:57:10 pmby PRR |
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Single-ended Class A Another Dilemma
Started by Crispy |
28 Replies
6005 Views |
June 14, 2015, 07:23:05 pm by shooter |
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OT question
Started by dude |
7 Replies
2671 Views |
June 14, 2015, 05:22:45 pm by VMS |
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211 Replies
37729 Views |
June 14, 2015, 11:29:25 am by taylorc315 |
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2 Replies
1851 Views |
June 12, 2015, 03:05:25 pm by tompagan123 |
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1957 Vibrolux Tube Chart / Lookie This!
Started by plexi50 |
2 Replies
2074 Views |
June 10, 2015, 08:37:11 pm by plexi50 |
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Problem with a AB763 build
Started by rutledj |
7 Replies
2961 Views |
June 10, 2015, 12:57:31 pm by Willabe |
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Red Plating
Started by Jaymz77 |
0 Replies
1668 Views |
June 09, 2015, 10:04:40 pm by Jaymz77 |
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Clipping/Distorting issue with new AC15 Build
Started by Evergreen |
15 Replies
4710 Views |
June 09, 2015, 01:23:51 pm by VMS |
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4 Replies
2476 Views |
June 09, 2015, 12:20:41 am by PRR |
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Telefunken Date Code's
Started by plexi50 |
2 Replies
3123 Views |
June 07, 2015, 07:00:57 pm by plexi50 |
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Power Amps.
Started by pinkphiloyd « 1 2 » |
59 Replies
13461 Views |
June 07, 2015, 12:04:00 pm by kagliostro |
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5 Replies
2582 Views |
June 06, 2015, 09:38:59 pm by kagliostro |
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Transformer Induced Hum
Started by hesamadman |
7 Replies
3091 Views |
June 06, 2015, 08:33:21 pm by alerich |
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Phillips 10w PA Amp
Started by TIMBO |
5 Replies
2616 Views |
June 06, 2015, 04:04:09 pm by TIMBO |
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6 Replies
3145 Views |
June 06, 2015, 08:20:58 am by Fresh_Start |
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Cathodyne PI question
Started by hesamadman |
3 Replies
2307 Views |
June 05, 2015, 10:47:57 pm by HotBluePlates |
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Broken Vox ac50
Started by Mick-Dee |
4 Replies
2835 Views |
June 05, 2015, 10:32:32 am by kagliostro |
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3 Replies
1846 Views |
June 05, 2015, 09:51:26 am by kagliostro |
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Hoffman 5f2a Princeton question.
Started by Crispy |
5 Replies
2318 Views |
June 05, 2015, 08:39:39 am by Crispy |
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5E3 putting out 19 watts!?!?
Started by waldner |
16 Replies
6114 Views |
June 04, 2015, 09:27:17 pm by HotBluePlates |
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32 Replies
7990 Views |
June 04, 2015, 12:21:16 pm by kagliostro |
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6V6 Plexi Bias Adjustment
Started by GS1100 |
3 Replies
3349 Views |
June 03, 2015, 10:32:23 pm by tubeswell |
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7 Replies
4756 Views |
June 03, 2015, 01:04:55 pm by Platefire |
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6 Replies
2775 Views |
June 03, 2015, 09:25:25 am by Willabe |
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5F1 clone squeal
Started by zlanderous |
2 Replies
2446 Views |
June 03, 2015, 08:58:56 am by shooter |
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1 Replies
1946 Views |
June 02, 2015, 05:44:11 pm by ioplex |
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5 Replies
2700 Views |
June 02, 2015, 04:03:19 pm by nateflanigan |
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9 Replies
4305 Views |
June 02, 2015, 07:32:18 am by kagliostro |
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47 Replies
10578 Views |
June 02, 2015, 05:01:08 am by guitylerham |
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5e3 kit - 6v6 pin 1 to pin 8
Started by 6v6Pin1 |
2 Replies
2212 Views |
June 02, 2015, 12:17:04 am by PRR |
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'66 Reverberocket 7591 redplating
Started by firemedic |
8 Replies
3356 Views |
June 01, 2015, 06:56:09 pm by firemedic |
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5e3 kit - filament center tap
Started by 6v6Pin1 |
2 Replies
1939 Views |
June 01, 2015, 12:35:18 pm by 6v6Pin1 |
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cap voltage
Started by J Rindt |
7 Replies
2638 Views |
June 01, 2015, 05:53:25 am by sluckey |
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Optimizing Bias on 5F6A
Started by waldner |
7 Replies
3331 Views |
May 31, 2015, 02:17:32 am by waldner |
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Harmony H410A
Started by TIMBO |
4 Replies
3461 Views |
May 31, 2015, 12:23:33 am by TIMBO |
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2204 6v6 build bias problem
Started by Auke Jolman |
9 Replies
3273 Views |
May 30, 2015, 12:13:43 pm by Willabe |
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9 Replies
5101 Views |
May 30, 2015, 12:12:02 pm by Willabe |
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Looking for info on diode clipping
Started by hesamadman |
7 Replies
5424 Views |
May 30, 2015, 08:17:36 am by Fresh_Start |
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8 Replies
8549 Views |
May 29, 2015, 11:26:08 pm by purpletele |
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25 Replies
6677 Views |
May 29, 2015, 12:54:22 pm by Champ_49 |
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174 Replies
50039 Views |
May 29, 2015, 12:41:33 pm by Champ_49 |
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5 Replies
5369 Views |
May 29, 2015, 09:46:12 am by kagliostro |
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5 Replies
2403 Views |
May 28, 2015, 10:41:40 pm by PRR |
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Help me Hoffmanize this MV on 5F6a
Started by waldner |
24 Replies
5852 Views |
May 28, 2015, 03:36:01 pm by waldner |
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Bugera V22 combo for gutting/rebuild?
Started by MakerDP |
6 Replies
4156 Views |
May 28, 2015, 02:06:05 pm by eleventeen |
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HIFI build
Started by shooter |
5 Replies
1933 Views |
May 28, 2015, 09:06:55 am by shooter |
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Mute Switch
Started by lkrasner |
8 Replies
4178 Views |
May 28, 2015, 06:06:24 am by JB |
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PP 6V6 Cathode Bias Question
Started by ncusack |
4 Replies
3553 Views |
May 27, 2015, 01:33:51 am by tubeswell |
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50/100W british-style chassis source?
Started by firemedic |
3 Replies
2312 Views |
May 26, 2015, 08:08:32 pm by EL34 |
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