Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 07:47:03 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:47:03 pm | ||
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| apeontheweb and 46 Guests are viewing this board. | ||||
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JTM50 tone controls
Started by Brownie |
5 Replies
3540 Views |
March 29, 2024, 07:22:26 pmby pdf64 |
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Gibson BA15-RV Bass Control
Started by separateness |
0 Replies
2722 Views |
March 28, 2024, 07:47:58 pm by separateness |
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3 Replies
2871 Views |
March 28, 2024, 07:28:56 pm by Lambertini |
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Reverb mounting and connections
Started by dude |
1 Replies
2596 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
4017 Views |
March 28, 2024, 09:10:41 am by cap217 |
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19 Replies
6725 Views |
March 27, 2024, 01:19:46 pm by pullshocks |
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12 Replies
6072 Views |
March 27, 2024, 09:57:59 am by Yeatzee |
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Half power Princeton Reverb
Started by Jrusto |
12 Replies
4697 Views |
March 27, 2024, 07:04:54 am by pdf64 |
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Cold clipper question.
Started by Colas LeGrippa |
10 Replies
4563 Views |
March 26, 2024, 09:56:00 pm by Colas LeGrippa |
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18 Replies
6897 Views |
March 26, 2024, 07:51:01 pm by HotBluePlates |
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65' Twin Reverb motorboating
Started by SMSgtCC |
44 Replies
8734 Views |
March 26, 2024, 01:38:03 pm by mresistor |
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AB763 built incrementally - question
Started by jbrrrrr |
4 Replies
2774 Views |
March 26, 2024, 02:24:40 am by Beezerboy |
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1 Replies
2958 Views |
March 25, 2024, 07:13:04 am by sluckey |
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Half Power Switch
Started by TIMBO |
5 Replies
3157 Views |
March 25, 2024, 05:46:32 am by kagliostro |
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9 Replies
4274 Views |
March 25, 2024, 03:29:39 am by tubeswell |
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16 Replies
5577 Views |
March 24, 2024, 09:49:18 pm by glass54 |
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11 Replies
5851 Views |
March 24, 2024, 02:52:02 pm by PRR |
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25 Replies
7126 Views |
March 24, 2024, 09:12:43 am by wsscott |
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JCM 2000 TSL100 issue
Started by Colas LeGrippa |
8 Replies
3471 Views |
March 24, 2024, 07:38:28 am by Latole |
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grounding question
Started by Beezerboy |
5 Replies
2938 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
2270 Views |
March 23, 2024, 10:45:32 pm by PRR |
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Dual Cathode Resistors
Started by clyde |
19 Replies
5158 Views |
March 23, 2024, 03:59:51 am by kagliostro |
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22 Replies
6543 Views |
March 23, 2024, 02:53:42 am by Jerry garrcia |
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Checking frequency with MM
Started by dude |
6 Replies
2850 Views |
March 22, 2024, 09:49:58 pm by passaloutre |
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13 Replies
5461 Views |
March 22, 2024, 11:38:44 am by tubeswell |
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Identify hifi output transformer taps
Started by atmars |
3 Replies
2534 Views |
March 21, 2024, 10:53:21 pm by atmars |
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0 Replies
1882 Views |
March 21, 2024, 11:41:05 am by markmalin |
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Existing chassis holes?
Started by passaloutre |
13 Replies
4183 Views |
March 21, 2024, 08:19:12 am by kagliostro |
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Circuit Analysis
Started by Nathan |
5 Replies
3162 Views |
March 20, 2024, 07:41:13 am by Nathan |
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Pull down resistor question
Started by g-man |
4 Replies
2662 Views |
March 19, 2024, 11:18:15 pm by stratomaster |
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What parts determine tone?
Started by pbman1953 |
38 Replies
9423 Views |
March 19, 2024, 06:38:13 pm by pbman1953 |
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3 Replies
3082 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
10140 Views |
March 19, 2024, 01:00:48 pm by johnnyreece |
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Matamp GT120 clone build
Started by hiegdk |
5 Replies
5622 Views |
March 19, 2024, 09:00:21 am by MadAsAHatter |
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Add Vu meter to pre-amp
Started by BrainDeadAmps |
0 Replies
1861 Views |
March 19, 2024, 01:15:41 am by BrainDeadAmps |
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29 Replies
11335 Views |
March 18, 2024, 07:06:29 pm by wsscott |
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MOVED: ADA MP1 schematic question
Started by sluckey |
0 Replies
1844 Views |
March 18, 2024, 03:22:34 pm by sluckey |
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Hoffman Princeton build in a PRRI Chassis
Started by Jrusto |
5 Replies
2695 Views |
March 18, 2024, 11:59:17 am by sluckey |
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5 Replies
2703 Views |
March 18, 2024, 11:58:10 am by Miyagi_83 |
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6 Replies
2879 Views |
March 17, 2024, 07:25:31 pm by HotBluePlates |
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26 Replies
8380 Views |
March 16, 2024, 11:22:29 pm by murrayatuptown |
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Another Mystery Transformer Query, sorry...
Started by tdvt |
6 Replies
2874 Views |
March 16, 2024, 09:03:48 pm by tdvt |
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Step down PT test
Started by AlNewman |
18 Replies
5415 Views |
March 16, 2024, 06:13:56 pm by AlNewman |
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5 Replies
3522 Views |
March 15, 2024, 12:11:34 am by passaloutre |
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6 Replies
2860 Views |
March 14, 2024, 07:29:24 pm by Lambertini |
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0 Replies
2244 Views |
March 14, 2024, 05:22:34 pm by spunko |
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7 Replies
3258 Views |
March 14, 2024, 09:44:52 am by daveneary |
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Ampro PA-3 head
Started by CrocMule |
16 Replies
5091 Views |
March 13, 2024, 10:08:08 pm by PRR |
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27 Replies
6172 Views |
March 13, 2024, 08:48:24 am by tdvt |
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31 Replies
7970 Views |
March 13, 2024, 12:28:55 am by tinkering |
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