Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 04:32:55 pm
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:55 pm | ||
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Marshall JCM 800 power transformer
Started by jeff |
3 Replies
5614 Views |
June 11, 2012, 03:15:28 pmby sluckey |
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Speed Pot for Hoffman AB763 ?
Started by mresistor |
5 Replies
3862 Views |
June 11, 2012, 09:43:49 am by EL34 |
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oh lordy... another bogen CH30
Started by DummyLoad |
15 Replies
7867 Views |
June 10, 2012, 08:38:29 pm by DummyLoad |
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<<<solved>>>Red plating output section
Started by fdesalvo |
46 Replies
19799 Views |
June 10, 2012, 06:01:42 pm by fdesalvo |
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19 Replies
11364 Views |
June 10, 2012, 04:10:33 pm by six el six |
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JTM45 issue...
Started by SleepLess |
32 Replies
10966 Views |
June 10, 2012, 03:19:07 pm by stratele52 |
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20 Replies
15363 Views |
June 10, 2012, 01:13:53 pm by Tyrannocaster |
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smallest 12" combo?
Started by Quatro |
11 Replies
5482 Views |
June 10, 2012, 12:41:04 pm by Rev D |
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16 Replies
10432 Views |
June 10, 2012, 10:19:27 am by frank57 |
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Buss grounding question (TOS build)
Started by daveyajd |
10 Replies
7874 Views |
June 10, 2012, 09:29:36 am by Fresh_Start |
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1974 Champ strangely modified
Started by mresistor |
12 Replies
5717 Views |
June 09, 2012, 06:47:32 pm by darryl |
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5 Replies
3746 Views |
June 09, 2012, 04:57:08 pm by Colas LeGrippa |
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Silver Jubilee
Started by jeff |
10 Replies
5302 Views |
June 09, 2012, 07:29:00 am by jeff |
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Regency Amp: moving the bass peak
Started by Tyrannocaster |
27 Replies
11018 Views |
June 09, 2012, 06:38:19 am by Tyrannocaster |
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Chassis heat?
Started by stratavox |
3 Replies
3322 Views |
June 08, 2012, 09:19:25 pm by stratavox |
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2 Replies
4873 Views |
June 08, 2012, 11:34:23 am by Tyrannocaster |
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Cap on Standby switch
Started by fdesalvo |
26 Replies
15727 Views |
June 08, 2012, 11:22:15 am by Ritchie200 |
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5 Replies
4639 Views |
June 08, 2012, 08:08:29 am by Platefire |
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Sound with volume turned off
Started by musicfixerupper |
7 Replies
4368 Views |
June 08, 2012, 06:00:14 am by tubeswell |
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5 Replies
5948 Views |
June 07, 2012, 07:31:02 pm by HotBluePlates |
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5879 CF vs paralleled 12A_7 CF
Started by tubenit |
5 Replies
4165 Views |
June 07, 2012, 11:57:13 am by Fresh_Start |
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1 Replies
3057 Views |
June 07, 2012, 04:52:42 am by FYL |
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Princeton Reverb Bias Circuit
Started by jim |
19 Replies
16914 Views |
June 06, 2012, 09:18:36 pm by Fresh_Start |
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Goody Box / Capacitors
Started by plexi50 |
12 Replies
5669 Views |
June 06, 2012, 05:19:09 pm by Willabe |
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3 Replies
3618 Views |
June 06, 2012, 04:06:29 pm by plexi50 |
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what the hell? hot PT bolts? (solved)
Started by bakerlite |
21 Replies
8489 Views |
June 06, 2012, 04:00:11 pm by plexi50 |
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12AX7 Micpreamp
Started by supro66 |
4 Replies
4350 Views |
June 06, 2012, 07:39:33 am by bakerlite |
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0 Replies
2648 Views |
June 06, 2012, 05:13:39 am by EL34 |
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4 Replies
3324 Views |
June 05, 2012, 09:24:41 am by Ed_Chambley |
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random voltage measuring question.
Started by bakerlite |
5 Replies
4339 Views |
June 04, 2012, 09:42:40 pm by PRR |
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13 Replies
5648 Views |
June 04, 2012, 08:14:19 pm by JayB |
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Shorted Tube Question
Started by Davidg |
8 Replies
4522 Views |
June 04, 2012, 06:34:48 pm by Davidg |
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2 X paralleled power tubes SE
Started by Colas LeGrippa |
4 Replies
4067 Views |
June 04, 2012, 01:37:05 pm by Colas LeGrippa |
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5150 III Volume Problem
Started by plexi50 |
22 Replies
9578 Views |
June 04, 2012, 08:28:01 am by plexi50 |
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6 Replies
4038 Views |
June 04, 2012, 12:04:48 am by Tone Junkie |
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Filament transformer current question
Started by six el six |
4 Replies
3350 Views |
June 03, 2012, 07:23:21 pm by drgonzonm |
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Question about 12AX7 parallel - bias
Started by bluesbear |
15 Replies
10982 Views |
June 03, 2012, 04:49:27 pm by sluckey |
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5F1 issue...
Started by SleepLess |
45 Replies
16887 Views |
June 03, 2012, 02:27:00 pm by SleepLess |
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4 Replies
4527 Views |
June 03, 2012, 09:55:44 am by tubenit |
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Need four 6GW8/ECL86 tubes
Started by LooseChange |
8 Replies
11736 Views |
June 02, 2012, 12:50:19 am by zendragon63 |
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Diode Question
Started by Ed_Chambley |
1 Replies
2985 Views |
June 01, 2012, 10:06:43 pm by HotBluePlates |
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12 Replies
8125 Views |
May 31, 2012, 06:48:24 pm by mresistor |
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5 Replies
4006 Views |
May 31, 2012, 05:06:05 pm by navdave |
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Hiwatt: What's V3B?
Started by jeff |
6 Replies
3827 Views |
May 31, 2012, 05:18:46 am by sluckey |
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"New" (old) amp design and tremolo
Started by Tyrannocaster |
17 Replies
9035 Views |
May 31, 2012, 12:39:53 am by HotBluePlates |
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Best output section for KT88 or 6550
Started by Tone Junkie |
3 Replies
3449 Views |
May 30, 2012, 07:36:39 pm by andrew_k |
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Super Reverb BIAS issue
Started by Colas LeGrippa |
15 Replies
6707 Views |
May 30, 2012, 08:57:16 am by Colas LeGrippa |
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12 Replies
8243 Views |
May 30, 2012, 12:36:12 am by kagliostro |
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Anyone ever sell tubes to a reseller?
Started by Tsquared |
26 Replies
8510 Views |
May 29, 2012, 10:42:40 pm by DummyLoad |
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6 Replies
4909 Views |
May 29, 2012, 04:00:39 pm by HotBluePlates |
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