Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 08:54:19 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:19 pm | ||
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| rafe and 41 Guests are viewing this board. | ||||
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5 Replies
5587 Views |
June 07, 2012, 07:31:02 pmby HotBluePlates |
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5879 CF vs paralleled 12A_7 CF
Started by tubenit |
5 Replies
3867 Views |
June 07, 2012, 11:57:13 am by Fresh_Start |
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1 Replies
2773 Views |
June 07, 2012, 04:52:42 am by FYL |
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Princeton Reverb Bias Circuit
Started by jim |
19 Replies
16463 Views |
June 06, 2012, 09:18:36 pm by Fresh_Start |
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Goody Box / Capacitors
Started by plexi50 |
12 Replies
5295 Views |
June 06, 2012, 05:19:09 pm by Willabe |
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3 Replies
3308 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
7897 Views |
June 06, 2012, 04:00:11 pm by plexi50 |
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12AX7 Micpreamp
Started by supro66 |
4 Replies
3990 Views |
June 06, 2012, 07:39:33 am by bakerlite |
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0 Replies
2348 Views |
June 06, 2012, 05:13:39 am by EL34 |
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4 Replies
3002 Views |
June 05, 2012, 09:24:41 am by Ed_Chambley |
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random voltage measuring question.
Started by bakerlite |
5 Replies
3961 Views |
June 04, 2012, 09:42:40 pm by PRR |
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13 Replies
5263 Views |
June 04, 2012, 08:14:19 pm by JayB |
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Shorted Tube Question
Started by Davidg |
8 Replies
4162 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
3743 Views |
June 04, 2012, 01:37:05 pm by Colas LeGrippa |
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5150 III Volume Problem
Started by plexi50 |
22 Replies
9136 Views |
June 04, 2012, 08:28:01 am by plexi50 |
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6 Replies
3704 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
3007 Views |
June 03, 2012, 07:23:21 pm by drgonzonm |
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Question about 12AX7 parallel - bias
Started by bluesbear |
15 Replies
10399 Views |
June 03, 2012, 04:49:27 pm by sluckey |
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5F1 issue...
Started by SleepLess |
45 Replies
16011 Views |
June 03, 2012, 02:27:00 pm by SleepLess |
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4 Replies
4179 Views |
June 03, 2012, 09:55:44 am by tubenit |
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Need four 6GW8/ECL86 tubes
Started by LooseChange |
8 Replies
11377 Views |
June 02, 2012, 12:50:19 am by zendragon63 |
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Diode Question
Started by Ed_Chambley |
1 Replies
2711 Views |
June 01, 2012, 10:06:43 pm by HotBluePlates |
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12 Replies
7602 Views |
May 31, 2012, 06:48:24 pm by mresistor |
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5 Replies
3692 Views |
May 31, 2012, 05:06:05 pm by navdave |
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Hiwatt: What's V3B?
Started by jeff |
6 Replies
3525 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
8437 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
3104 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
6285 Views |
May 30, 2012, 08:57:16 am by Colas LeGrippa |
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12 Replies
7838 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
8100 Views |
May 29, 2012, 10:42:40 pm by DummyLoad |
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6 Replies
4582 Views |
May 29, 2012, 04:00:39 pm by HotBluePlates |
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How to relic solder joints?
Started by BigE |
9 Replies
6014 Views |
May 29, 2012, 03:24:33 pm by HotBluePlates |
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5 Replies
3292 Views |
May 29, 2012, 10:43:02 am by John |
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0 Replies
2450 Views |
May 29, 2012, 09:13:46 am by Dynamo |
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20 Replies
7745 Views |
May 29, 2012, 02:52:03 am by TIMBO |
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TOS parts question
Started by daveyajd |
11 Replies
4815 Views |
May 28, 2012, 11:06:49 pm by Willabe |
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Sluckey's dual preamp 2204?
Started by bnwitt |
17 Replies
7127 Views |
May 28, 2012, 10:10:22 pm by sluckey |
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bogen ch30 hack.
Started by DummyLoad |
7 Replies
5205 Views |
May 28, 2012, 10:32:36 am by DummyLoad |
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Removing footswitch from circuit board
Started by John |
3 Replies
3143 Views |
May 27, 2012, 02:30:21 pm by John |
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0 Replies
2374 Views |
May 27, 2012, 11:16:15 am by EL34 |
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MOVED: Custom Turret board drilling program
Started by EL34 |
0 Replies
2563 Views |
May 27, 2012, 11:13:52 am by EL34 |
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Guitar strings poll
Started by EL34 |
0 Replies
3180 Views |
May 27, 2012, 11:08:36 am by EL34 |
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My latest amp
Started by archangele |
3 Replies
4495 Views |
May 26, 2012, 05:37:23 pm by TubeGeek |
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104 Replies
44130 Views |
May 26, 2012, 08:44:04 am by Platefire |
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2 Replies
4202 Views |
May 25, 2012, 06:57:09 pm by fdesalvo |
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SUPER REVERB SILVER FACE
Started by Colas LeGrippa |
0 Replies
2538 Views |
May 25, 2012, 08:30:14 am by Colas LeGrippa |
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Hot Rod Deluxe More Channel
Started by plexi50 |
0 Replies
2743 Views |
May 25, 2012, 08:28:38 am by plexi50 |
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Marshall tube socket wiring
Started by Sev |
3 Replies
3566 Views |
May 25, 2012, 06:23:34 am by sluckey |
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TOS new build issues
Started by talsmag |
8 Replies
3957 Views |
May 25, 2012, 05:14:07 am by tubenit |
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Scored a Hiwatt DR504...
Started by TubeGeek |
15 Replies
8818 Views |
May 25, 2012, 12:11:50 am by Ritchie200 |
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