Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 04:32:39 pm
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:39 pm | ||
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wiring up power trany with 5v ct to 5u4gb
Started by chip |
3 Replies
4447 Views |
September 03, 2012, 10:58:50 pmby PRR |
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Pentode vs Triode connection
Started by Leevi |
3 Replies
6378 Views |
September 03, 2012, 09:09:24 am by Leevi |
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since this seems to be SE week...
Started by DummyLoad |
13 Replies
5920 Views |
September 03, 2012, 01:50:38 am by DummyLoad |
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Safely lower B+
Started by gtrbryan |
7 Replies
4386 Views |
September 02, 2012, 02:53:35 pm by stratele52 |
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6AQ5 Single Ended
Started by gtrbryan |
9 Replies
18321 Views |
September 02, 2012, 02:05:58 pm by HotBluePlates |
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UMMMMMMMMMMMMMM!!
Started by TIMBO |
17 Replies
8575 Views |
September 02, 2012, 11:22:44 am by kagliostro |
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Dukane Gets MV
Started by Platefire |
6 Replies
3816 Views |
September 02, 2012, 06:35:20 am by Platefire |
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3 Replies
3789 Views |
September 02, 2012, 04:14:26 am by kagliostro |
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9 Replies
4857 Views |
September 01, 2012, 12:43:09 pm by henry909 |
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volt meter on cathode
Started by John |
9 Replies
4366 Views |
August 31, 2012, 08:24:08 pm by John |
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10 Replies
5217 Views |
August 31, 2012, 01:46:04 pm by kagliostro |
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800vac supply on PT secondary
Started by unclerny |
23 Replies
8680 Views |
August 30, 2012, 06:35:05 pm by unclerny |
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What's the bias dealio ?!
Started by worth |
3 Replies
3161 Views |
August 30, 2012, 01:24:41 am by tubeswell |
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Princeton / adding loop Complete
Started by Ed_Chambley |
24 Replies
11476 Views |
August 29, 2012, 09:52:47 am by Ed_Chambley |
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using a magic eye as an audio amplifier
Started by birt |
16 Replies
11798 Views |
August 29, 2012, 05:25:45 am by tubeswell |
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Reverb Driver Question
Started by zendragon63 |
3 Replies
4351 Views |
August 28, 2012, 08:57:26 pm by PRR |
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6C10 style plug
Started by proaudioguy |
14 Replies
7558 Views |
August 27, 2012, 05:58:23 pm by proaudioguy |
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SE EL34 design considerations
Started by panhead |
6 Replies
4586 Views |
August 27, 2012, 03:35:21 am by jojokeo |
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Peavey Heritage
Started by Pappie |
2 Replies
3300 Views |
August 26, 2012, 08:25:47 pm by plexi50 |
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Signal bleeding through
Started by jeff |
22 Replies
9285 Views |
August 26, 2012, 07:48:47 pm by jeff |
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6973 tube anyone?
Started by terminalgs |
2 Replies
4212 Views |
August 26, 2012, 04:34:32 pm by gtrbryan |
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Capacitor Substitution Sanity Check
Started by cgiesel1 |
3 Replies
4624 Views |
August 25, 2012, 10:59:58 pm by cgiesel1 |
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3 Replies
4932 Views |
August 25, 2012, 12:25:43 pm by kagliostro |
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stupid bias question
Started by worth |
1 Replies
2717 Views |
August 25, 2012, 11:23:19 am by EL34 |
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Tweakin' a Kalamazoo M2 design...
Started by lowatter |
21 Replies
9444 Views |
August 25, 2012, 07:32:04 am by sluckey |
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mid pot.. linear or audio taper ?
Started by worth |
6 Replies
6639 Views |
August 25, 2012, 05:12:24 am by alerich |
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9 Replies
6453 Views |
August 25, 2012, 03:39:10 am by kagliostro |
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No Heater Voltage Bassman Head
Started by 7string |
11 Replies
6781 Views |
August 23, 2012, 09:37:31 pm by Ed_Chambley |
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Home-brew pot question.
Started by DummyLoad |
9 Replies
4200 Views |
August 23, 2012, 07:52:30 pm by DummyLoad |
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Gas Cooker
Started by cfreeborn |
6 Replies
4200 Views |
August 23, 2012, 06:29:04 pm by HotBluePlates |
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11 Replies
6683 Views |
August 22, 2012, 04:09:01 pm by terminalgs |
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Traynor YSR1 1968 Find w/ YF 410 Cab
Started by plexi50 |
20 Replies
9654 Views |
August 22, 2012, 01:14:40 pm by plexi50 |
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15 Replies
8017 Views |
August 22, 2012, 07:48:23 am by Geezer |
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Capacitor purpose question
Started by JonO |
11 Replies
6360 Views |
August 21, 2012, 11:03:44 pm by PRR |
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5E3 box, 6g3 tone stack
Started by Ed_Chambley |
2 Replies
5789 Views |
August 21, 2012, 03:40:22 pm by Ed_Chambley |
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PT voltage
Started by billcreller |
5 Replies
4115 Views |
August 20, 2012, 04:59:40 pm by billcreller |
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Weird tone in VOX AC30
Started by Leevi |
4 Replies
3397 Views |
August 20, 2012, 01:35:48 pm by bnwitt |
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Hissing JJs (6v6s)
Started by proaudioguy |
23 Replies
9897 Views |
August 20, 2012, 06:52:19 am by tubenit |
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10 Replies
11353 Views |
August 19, 2012, 03:12:12 pm by billcreller |
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Premier 90 Reverb humm issue
Started by LooseChange |
2 Replies
4758 Views |
August 18, 2012, 03:28:34 pm by HotBluePlates |
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Black-flip
Started by CraigB |
31 Replies
12598 Views |
August 18, 2012, 11:28:47 am by CraigB |
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Parallel EL34, SE 12 watts
Started by Ed_Chambley |
20 Replies
17210 Views |
August 18, 2012, 07:31:30 am by Ed_Chambley |
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10 Replies
9098 Views |
August 17, 2012, 04:43:15 pm by spacelabstudio |
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5 Replies
6512 Views |
August 16, 2012, 08:06:52 pm by HotBluePlates |
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Component identification
Started by six el six |
3 Replies
3639 Views |
August 15, 2012, 03:55:54 pm by Ed_Chambley |
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Stand Alone Reverb with bias vary Trem?
Started by Willabe |
14 Replies
7501 Views |
August 15, 2012, 10:59:57 am by Willabe |
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bias advice
Started by dscottguitars |
8 Replies
4626 Views |
August 14, 2012, 11:05:23 pm by dscottguitars |
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112 Replies
39764 Views |
August 14, 2012, 09:16:15 pm by Willabe |
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Two amps under one hood.
Started by jeff |
12 Replies
7021 Views |
August 14, 2012, 05:40:42 pm by jeff |
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Saved a Leslie 122 - Now what?
Started by tyru007 |
20 Replies
10943 Views |
August 13, 2012, 09:04:27 pm by proaudioguy |
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