Welcome To the Hoffman Amplifiers Forum
April 25, 2026, 09:06:30 pm
Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 09:06:30 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| W5FH and 32 Guests are viewing this board. | ||||
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Allen 5F1+ (or something like it)
Started by munkeyboy |
45 Replies
17515 Views |
April 03, 2024, 12:43:18 pmby passaloutre |
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Hoffman PR with Raw Control
Started by Jrusto |
4 Replies
3776 Views |
April 03, 2024, 12:03:04 pm by mresistor |
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9 Replies
5167 Views |
April 03, 2024, 07:35:40 am by MrPink |
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5F1 build using EIA wiring color code!
Started by XYZGnomon |
7 Replies
4842 Views |
April 02, 2024, 03:22:02 pm by sluckey |
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Wiring Colors and how you use them
Started by Ed_Chambley |
37 Replies
14946 Views |
April 01, 2024, 12:38:22 pm by sluckey |
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trouble with a relay supply circuit
Started by luthierwnc |
9 Replies
4875 Views |
April 01, 2024, 12:32:43 pm by luthierwnc |
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1982 Rivera Super Champ Reverb Tank?
Started by plexi50 |
5 Replies
7241 Views |
April 01, 2024, 10:07:49 am by mrobbins |
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Push/pull 6V6 amp build dilemma
Started by AmberB |
36 Replies
12635 Views |
March 31, 2024, 05:59:52 pm by PRR |
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Ampeg G15 Pilot Light
Started by Ryan22 |
10 Replies
5313 Views |
March 31, 2024, 03:26:30 pm by mresistor |
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Rectification help
Started by joesatch |
7 Replies
4456 Views |
March 31, 2024, 02:32:32 pm by joesatch |
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DuMar-V6 with AO-29 PT
Started by CrocMule |
32 Replies
11670 Views |
March 31, 2024, 12:40:09 pm by CrocMule |
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Choke size
Started by Diverted |
8 Replies
5504 Views |
March 30, 2024, 10:07:00 pm by Diverted |
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First Project Considerations
Started by hpdonat |
12 Replies
6214 Views |
March 30, 2024, 04:41:10 pm by electrical |
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How to set AC load for triode testing
Started by acheld |
9 Replies
5119 Views |
March 30, 2024, 04:10:19 pm by shooter |
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8417 Power Tubes
Started by plexi50 |
9 Replies
5617 Views |
March 30, 2024, 10:45:56 am by shooter |
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8-10W SE question
Started by Diverted |
4 Replies
4094 Views |
March 29, 2024, 11:17:19 pm by PRR |
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JTM50 tone controls
Started by Brownie |
5 Replies
4687 Views |
March 29, 2024, 07:22:26 pm by pdf64 |
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Gibson BA15-RV Bass Control
Started by separateness |
0 Replies
3861 Views |
March 28, 2024, 07:47:58 pm by separateness |
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3 Replies
3914 Views |
March 28, 2024, 07:28:56 pm by Lambertini |
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Reverb mounting and connections
Started by dude |
1 Replies
3596 Views |
March 28, 2024, 05:12:38 pm by tdvt |
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Bruno UG 30 vs DR Z Wreck
Started by cap217 |
4 Replies
5311 Views |
March 28, 2024, 09:10:41 am by cap217 |
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19 Replies
8389 Views |
March 27, 2024, 01:19:46 pm by pullshocks |
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12 Replies
7704 Views |
March 27, 2024, 09:57:59 am by Yeatzee |
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Half power Princeton Reverb
Started by Jrusto |
12 Replies
6098 Views |
March 27, 2024, 07:04:54 am by pdf64 |
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Cold clipper question.
Started by Colas LeGrippa |
10 Replies
5880 Views |
March 26, 2024, 09:56:00 pm by Colas LeGrippa |
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18 Replies
8384 Views |
March 26, 2024, 07:51:01 pm by HotBluePlates |
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65' Twin Reverb motorboating
Started by SMSgtCC |
44 Replies
10771 Views |
March 26, 2024, 01:38:03 pm by mresistor |
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AB763 built incrementally - question
Started by jbrrrrr |
4 Replies
3673 Views |
March 26, 2024, 02:24:40 am by Beezerboy |
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1 Replies
3995 Views |
March 25, 2024, 07:13:04 am by sluckey |
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Half Power Switch
Started by TIMBO |
5 Replies
4194 Views |
March 25, 2024, 05:46:32 am by kagliostro |
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9 Replies
5576 Views |
March 25, 2024, 03:29:39 am by tubeswell |
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16 Replies
7185 Views |
March 24, 2024, 09:49:18 pm by glass54 |
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11 Replies
7256 Views |
March 24, 2024, 02:52:02 pm by PRR |
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25 Replies
8911 Views |
March 24, 2024, 09:12:43 am by wsscott |
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JCM 2000 TSL100 issue
Started by Colas LeGrippa |
8 Replies
4641 Views |
March 24, 2024, 07:38:28 am by Latole |
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grounding question
Started by Beezerboy |
5 Replies
3781 Views |
March 24, 2024, 01:05:10 am by Beezerboy |
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US transformer in a UK amp
Started by BadDave |
2 Replies
3060 Views |
March 23, 2024, 10:45:32 pm by PRR |
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Dual Cathode Resistors
Started by clyde |
19 Replies
6495 Views |
March 23, 2024, 03:59:51 am by kagliostro |
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22 Replies
8472 Views |
March 23, 2024, 02:53:42 am by Jerry garrcia |
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Checking frequency with MM
Started by dude |
6 Replies
3844 Views |
March 22, 2024, 09:49:58 pm by passaloutre |
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13 Replies
7186 Views |
March 22, 2024, 11:38:44 am by tubeswell |
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Identify hifi output transformer taps
Started by atmars |
3 Replies
3267 Views |
March 21, 2024, 10:53:21 pm by atmars |
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0 Replies
2510 Views |
March 21, 2024, 11:41:05 am by markmalin |
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Existing chassis holes?
Started by passaloutre |
13 Replies
5364 Views |
March 21, 2024, 08:19:12 am by kagliostro |
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Circuit Analysis
Started by Nathan |
5 Replies
3971 Views |
March 20, 2024, 07:41:13 am by Nathan |
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Pull down resistor question
Started by g-man |
4 Replies
3321 Views |
March 19, 2024, 11:18:15 pm by stratomaster |
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What parts determine tone?
Started by pbman1953 |
38 Replies
11805 Views |
March 19, 2024, 06:38:13 pm by pbman1953 |
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3 Replies
3967 Views |
March 19, 2024, 03:48:37 pm by stratomaster |
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Risson Marvel 12E bias setting cold
Started by Pavedog |
42 Replies
12902 Views |
March 19, 2024, 01:00:48 pm by johnnyreece |
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Matamp GT120 clone build
Started by hiegdk |
5 Replies
6719 Views |
March 19, 2024, 09:00:21 am by MadAsAHatter |
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