Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 04:59:01 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 04:59:01 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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94 Replies
46891 Views |
April 13, 2021, 10:08:06 pmby pullshocks |
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Masco MA-25 power supply question
Started by luthierwnc |
5 Replies
5628 Views |
April 13, 2021, 02:09:43 pm by PRR |
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Teflon cable.
Started by Mike_J |
6 Replies
6417 Views |
April 13, 2021, 12:47:51 pm by Mike_J |
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Hot Rod Deluxe switch issue
Started by gfj |
0 Replies
4404 Views |
April 13, 2021, 02:42:49 am by gfj |
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Help with master volume
Started by Irkin_Bollikans |
6 Replies
6414 Views |
April 13, 2021, 12:36:35 am by d95err |
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AC15/AA964 Princeton/Tweed Hybrid
Started by dwinstonwood « 1 2 » |
66 Replies
23839 Views |
April 11, 2021, 12:55:47 pm by dwinstonwood |
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Bias a Silvertone 1474
Started by jamesedmunda |
7 Replies
5632 Views |
April 11, 2021, 12:53:16 pm by jamesedmunda |
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Trying to interpret the LTP.
Started by Mike_J |
30 Replies
14145 Views |
April 10, 2021, 06:00:33 pm by Mike_J |
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40 Replies
20111 Views |
April 10, 2021, 04:34:22 pm by Mike_J |
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Adding NFB to single ended marshall amp
Started by jordan86 |
26 Replies
13196 Views |
April 10, 2021, 12:56:47 pm by shooter |
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5 Replies
5122 Views |
April 10, 2021, 08:06:00 am by markmalin |
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15 Replies
10213 Views |
April 09, 2021, 10:13:29 am by PharmRock |
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15 Replies
8613 Views |
April 09, 2021, 07:48:55 am by SILVERGUN |
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Silvertone 1484 Reverb going on and off
Started by jimlat |
5 Replies
4836 Views |
April 09, 2021, 05:10:38 am by terminalgs |
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Tools for fine tuning an amp.
Started by Mike_J |
32 Replies
15212 Views |
April 08, 2021, 10:58:00 am by Mike_J |
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Transformer Testing
Started by Opry Audio |
7 Replies
6800 Views |
April 07, 2021, 07:17:05 pm by SILVERGUN |
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Deluxe Reverb Intermittant Power Loss
Started by luthierwnc |
2 Replies
3870 Views |
April 07, 2021, 06:32:29 pm by luthierwnc |
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3 Replies
4836 Views |
April 07, 2021, 06:07:02 pm by spunko |
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6V6 Bias on SF Princeton Reverb
Started by terminalgs |
2 Replies
6272 Views |
April 07, 2021, 09:31:54 am by pdf64 |
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19 Replies
8430 Views |
April 07, 2021, 08:15:29 am by Matt-O |
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LND150 loop
Started by Vlada |
1 Replies
6769 Views |
April 06, 2021, 06:32:11 pm by 2deaf |
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55 Replies
21253 Views |
April 06, 2021, 02:39:49 pm by shooter |
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Super Reverb Deluxe Power Transformer
Started by xandaz |
14 Replies
6851 Views |
April 06, 2021, 05:55:19 am by xandaz |
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What's the greatest EL34 ever made?
Started by SoundCity85 |
7 Replies
6333 Views |
April 06, 2021, 02:22:07 am by Bieworm |
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Ampbooks SLO 12AX7 Bias Calculation
Started by Gregwor |
23 Replies
14438 Views |
April 05, 2021, 07:35:26 pm by HotBluePlates |
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8 Replies
7831 Views |
April 05, 2021, 03:09:16 pm by PharmRock |
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10 Replies
6107 Views |
April 05, 2021, 11:21:35 am by Bieworm |
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54 Replies
25768 Views |
April 04, 2021, 06:50:17 pm by Mike_J |
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4 Replies
4574 Views |
April 04, 2021, 05:35:42 pm by nepalnt21 |
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N.o.s. Marshall p.t. Help?
Started by eggbert |
4 Replies
4862 Views |
April 04, 2021, 03:18:48 pm by acheld |
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Reverb tank troubleshooting
Started by Clarkey |
4 Replies
7805 Views |
April 04, 2021, 10:55:13 am by sluckey |
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74 Replies
23770 Views |
April 04, 2021, 08:46:56 am by pbman1953 |
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14 Replies
7887 Views |
April 03, 2021, 06:39:44 am by sluckey |
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How can I make this switch usable?
Started by Mike_J |
13 Replies
7286 Views |
April 02, 2021, 06:36:08 pm by Mike_J |
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Reverb Tanks: low impedance
Started by shaun |
6 Replies
5246 Views |
April 02, 2021, 06:26:32 pm by PRR |
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Custom Vibrolux rebuild
Started by jlaj |
2 Replies
3717 Views |
April 02, 2021, 01:00:05 pm by jlaj |
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4 Replies
4509 Views |
April 02, 2021, 12:55:16 pm by jlaj |
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Dissimilar plate resistors in the LTP
Started by jewishjay |
1 Replies
3492 Views |
April 02, 2021, 12:09:22 pm by SILVERGUN |
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66 Replies
27925 Views |
April 02, 2021, 10:45:32 am by Williamblake |
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Peavey’s Secret
Started by Jacob |
8 Replies
7548 Views |
April 02, 2021, 10:14:56 am by Jacob |
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7 Replies
8163 Views |
April 02, 2021, 07:02:58 am by jlaj |
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Measuring output trasnformer secondaries
Started by texwest |
6 Replies
4500 Views |
April 01, 2021, 10:39:39 pm by PRR |
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5 Replies
4804 Views |
April 01, 2021, 04:39:17 pm by HotBluePlates |
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Unwanted distortion trailing notes
Started by Wanabejimi |
3 Replies
5712 Views |
April 01, 2021, 12:25:37 pm by pdf64 |
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9 Replies
7123 Views |
April 01, 2021, 12:22:11 pm by Mike_J |
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22 Replies
9314 Views |
April 01, 2021, 08:12:24 am by Shack |
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1st stage grid stopper question
Started by burt_toast |
2 Replies
3987 Views |
April 01, 2021, 07:41:25 am by burt_toast |
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Tone pots killing volume
Started by pda041376 |
3 Replies
4299 Views |
March 31, 2021, 07:27:41 pm by HotBluePlates |
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7 Replies
6186 Views |
March 31, 2021, 07:25:57 pm by HotBluePlates |
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60 Replies
27012 Views |
March 31, 2021, 07:02:52 pm by Mike_J |
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