Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:44 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:44 am | ||
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18 Watt Questions
Started by jeff |
23 Replies
15778 Views |
January 22, 2012, 11:31:24 amby Willabe |
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Lowering B+
Started by dude |
7 Replies
9440 Views |
January 21, 2012, 02:18:24 pm by stratele52 |
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Tracing a buzz?
Started by 12AX7 |
14 Replies
12838 Views |
January 21, 2012, 02:13:34 pm by stratele52 |
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12 Replies
9167 Views |
January 20, 2012, 09:18:23 pm by PRR |
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some pot questions
Started by 12AX7 |
31 Replies
20003 Views |
January 20, 2012, 06:15:23 pm by stratele52 |
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Odd noises in my amp...
Started by Mostro |
10 Replies
7887 Views |
January 20, 2012, 05:47:35 pm by Mostro |
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first guitar amp repair .dart alamo .
Started by Tom_Hull |
16 Replies
10877 Views |
January 20, 2012, 09:22:43 am by Tom_Hull |
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Ground Old Amp
Started by Otis |
9 Replies
7036 Views |
January 19, 2012, 05:41:02 pm by Willabe |
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Need help wiring a PT without any CT taps
Started by dude |
48 Replies
24831 Views |
January 19, 2012, 08:20:34 am by dude |
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Bridge rectifier straight talk
Started by firemedic |
8 Replies
7140 Views |
January 18, 2012, 10:14:27 pm by firemedic |
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6 Replies
5972 Views |
January 18, 2012, 07:21:55 pm by Colas LeGrippa |
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29 Replies
12778 Views |
January 18, 2012, 06:02:52 pm by Jack_Hester |
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18 Replies
13820 Views |
January 18, 2012, 05:46:06 am by EL34 |
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why a 22k presence pot?
Started by 12AX7 |
4 Replies
10094 Views |
January 18, 2012, 02:55:51 am by jojokeo |
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When the chase becomes more important....
Started by 12AX7 |
21 Replies
15145 Views |
January 17, 2012, 02:02:23 pm by 12AX7 |
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Champ Amp build! Need oddball cap
Started by blueznet |
10 Replies
7436 Views |
January 17, 2012, 12:44:25 pm by thermion |
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ampeg gu-12 trem issue
Started by thermion |
6 Replies
6508 Views |
January 17, 2012, 12:41:55 pm by thermion |
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Trem-O-Drive Transformer Question
Started by blown240 |
4 Replies
5586 Views |
January 16, 2012, 11:39:07 pm by PRR |
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14 Replies
14107 Views |
January 16, 2012, 05:56:37 pm by HotBluePlates |
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2 channel amp - Switching help!
Started by liagasg |
31 Replies
18135 Views |
January 16, 2012, 12:45:52 pm by liagasg |
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silvertone 1484 tremelo issue
Started by Steve S. |
3 Replies
4858 Views |
January 16, 2012, 12:11:33 pm by Steve S. |
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7 Replies
7279 Views |
January 16, 2012, 11:43:00 am by PRR |
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1975 Twin Reverb in for Repairs
Started by Platefire |
39 Replies
21037 Views |
January 16, 2012, 09:21:29 am by Willabe |
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Knobs for a Supro 1624
Started by LooseChange |
10 Replies
7307 Views |
January 16, 2012, 05:55:10 am by LooseChange |
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Single channel AB763 question?
Started by tdvt |
7 Replies
6297 Views |
January 15, 2012, 08:03:42 am by sluckey |
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help with old radio????
Started by zapped |
11 Replies
6881 Views |
January 14, 2012, 10:54:11 pm by PRR |
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1939 guitar amp
Started by PRR |
29 Replies
14305 Views |
January 14, 2012, 11:23:30 am by tubeswell |
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??? Amp Model
Started by plexi50 |
15 Replies
9997 Views |
January 13, 2012, 11:45:42 pm by bigsbybender |
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Built A Sch 40 GA-5 Today
Started by shortfuse |
23 Replies
10045 Views |
January 13, 2012, 10:39:19 pm by shortfuse |
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rectifier heater question
Started by bnew63 |
2 Replies
4062 Views |
January 13, 2012, 06:46:01 pm by bnew63 |
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5 Replies
5728 Views |
January 13, 2012, 06:45:23 pm by Willabe |
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7591 conversion to 6V6
Started by oldhippy |
25 Replies
25993 Views |
January 13, 2012, 04:10:41 pm by oldhippy |
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Alamo Electra 2570 Need a little help
Started by dude |
1 Replies
7537 Views |
January 13, 2012, 01:56:52 pm by dude |
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question regarding modifying pot value
Started by 12AX7 |
5 Replies
7440 Views |
January 13, 2012, 12:11:05 am by PRR |
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Verlage Amplifier troubles
Started by TubeGeek |
4 Replies
6062 Views |
January 12, 2012, 11:30:53 pm by PRR |
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triode / pentode
Started by Colas LeGrippa |
32 Replies
35263 Views |
January 12, 2012, 05:44:35 pm by HotBluePlates |
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7 Replies
6395 Views |
January 12, 2012, 08:57:13 am by kagliostro |
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choke help
Started by ernie_jr |
7 Replies
5728 Views |
January 11, 2012, 09:14:25 pm by HotBluePlates |
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negative feedback question
Started by navdave |
9 Replies
7190 Views |
January 11, 2012, 08:35:26 pm by printer2 |
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NTE558 diode
Started by schoolie |
4 Replies
4191 Views |
January 11, 2012, 07:00:52 pm by schoolie |
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HEADPHONE tube amp
Started by Colas LeGrippa |
13 Replies
9393 Views |
January 11, 2012, 06:08:16 pm by Colas LeGrippa |
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Inpedance Mismatch Question
Started by blown240 |
14 Replies
8060 Views |
January 11, 2012, 02:59:49 pm by jojokeo |
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Heater supply question
Started by John |
2 Replies
3802 Views |
January 11, 2012, 12:37:10 pm by John |
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5 Replies
6538 Views |
January 11, 2012, 09:07:13 am by kagliostro |
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Master Volume On 100 Watt SF Twin
Started by plexi50 |
6 Replies
4974 Views |
January 10, 2012, 03:15:57 pm by chuggy |
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internal connection
Started by jeff |
20 Replies
10140 Views |
January 10, 2012, 11:21:19 am by tonewood |
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OPT questions
Started by bnew63 |
6 Replies
5446 Views |
January 09, 2012, 03:10:14 pm by PRR |
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vintage diodes
Started by embotone |
2 Replies
3906 Views |
January 09, 2012, 03:00:58 pm by PRR |
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Question about Hoffman 5f6a bias circuit
Started by schoolie |
22 Replies
10510 Views |
January 09, 2012, 02:57:26 pm by Ed_Chambley |
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Rating of pots as variable resistors
Started by jeff |
5 Replies
4358 Views |
January 09, 2012, 02:46:25 pm by PRR |
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