Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 12:14:55 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 12:14:55 pm | ||
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Reverb Hum on Super Reverb
Started by PlateVoltage « 1 2 » |
60 Replies
13953 Views |
May 08, 2022, 08:57:33 amby Leevi |
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11 Replies
5225 Views |
May 07, 2022, 03:10:34 pm by RadioComm |
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G2 PS PT little question
Started by kagliostro |
17 Replies
4339 Views |
May 07, 2022, 08:42:55 am by kagliostro |
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2 Replies
2001 Views |
May 07, 2022, 08:04:01 am by richierick |
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19 Replies
7798 Views |
May 05, 2022, 08:33:08 am by kagliostro |
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Soldano SP77 preamp
Started by Leevi |
40 Replies
17080 Views |
May 05, 2022, 04:47:38 am by d95err |
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Running two PT secondary taps in series?
Started by joesatch |
12 Replies
3613 Views |
May 05, 2022, 02:33:56 am by glass54 |
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13 Replies
3732 Views |
May 04, 2022, 10:40:14 pm by cspar |
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5F1 Motorboating
Started by TIMBO |
4 Replies
2689 Views |
May 04, 2022, 02:43:17 pm by TIMBO |
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hash noise on start-up?
Started by luthierwnc |
9 Replies
2674 Views |
May 03, 2022, 07:00:52 pm by luthierwnc |
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Mystery Output Tranformer Measurements
Started by Rontone |
11 Replies
3069 Views |
May 03, 2022, 12:06:49 pm by Rontone |
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8 Replies
3084 Views |
May 03, 2022, 08:39:04 am by Nathan |
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12 Replies
5501 Views |
May 02, 2022, 10:30:28 am by pdf64 |
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New Build - SilverClone
Started by Hazcat |
7 Replies
2863 Views |
May 01, 2022, 06:52:05 pm by Hazcat |
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help identify which tubes
Started by uki |
6 Replies
3304 Views |
May 01, 2022, 01:40:39 pm by HotBluePlates |
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Hammond 290HX Bias winding
Started by Guy77 |
19 Replies
6281 Views |
May 01, 2022, 09:45:26 am by Guy77 |
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52 Replies
9684 Views |
April 30, 2022, 09:05:44 pm by thetragichero |
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93 Replies
17875 Views |
April 30, 2022, 06:27:25 pm by shooter |
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5 Replies
2617 Views |
April 29, 2022, 11:46:54 pm by Thisismyname |
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25 Replies
5924 Views |
April 28, 2022, 04:34:17 pm by Lectroid |
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It’s been a long time.
Started by NO_H2O |
11 Replies
2953 Views |
April 27, 2022, 09:39:28 pm by dwinstonwood |
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5E3 Kit Build
Started by bbmade |
3 Replies
2427 Views |
April 27, 2022, 01:50:19 pm by dude |
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Champ OT 5K or 8K?
Started by texwest |
22 Replies
5147 Views |
April 26, 2022, 09:44:19 pm by PRR |
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Sunn Model T Clone "75 Watts"
Started by DoomGuy666 |
9 Replies
5118 Views |
April 26, 2022, 07:45:38 pm by owen |
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8-15w Donor Amp/Chassis Suggestion
Started by jordan86 |
39 Replies
6642 Views |
April 26, 2022, 06:38:53 pm by jordan86 |
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8 Replies
3408 Views |
April 26, 2022, 02:26:59 pm by EL34 |
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6K6GT's and 369HX
Started by dwinstonwood |
17 Replies
3907 Views |
April 26, 2022, 08:36:00 am by dwinstonwood |
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20 Replies
5529 Views |
April 25, 2022, 06:08:49 pm by pdf64 |
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8 Replies
4257 Views |
April 25, 2022, 06:00:17 pm by lantertronics |
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4 Replies
2496 Views |
April 25, 2022, 06:31:42 am by pdf64 |
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4 Replies
2331 Views |
April 24, 2022, 03:26:08 pm by jewishjay |
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2 Replies
2062 Views |
April 24, 2022, 09:03:30 am by pbman1953 |
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Twist-lock Cap Can Mounting Plate
Started by Sonny ReVerb |
10 Replies
3653 Views |
April 24, 2022, 05:53:41 am by sluckey |
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18-watt rectifier considerations
Started by PharmRock |
28 Replies
6647 Views |
April 23, 2022, 08:58:42 pm by thetragichero |
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4 Replies
3244 Views |
April 23, 2022, 08:22:30 pm by uki |
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18 Replies
4402 Views |
April 23, 2022, 05:07:48 pm by HotBluePlates |
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Oscillation on vintage guitar amp
Started by Charles_63 |
2 Replies
2242 Views |
April 23, 2022, 02:12:54 pm by Charles_63 |
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15 watt PA amp
Started by isaac_teller |
5 Replies
2584 Views |
April 23, 2022, 12:36:47 pm by isaac_teller |
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3 Replies
2748 Views |
April 22, 2022, 08:48:08 pm by thetragichero |
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Mixing Resistor Explanation (AB763)
Started by clbraddock |
8 Replies
5552 Views |
April 22, 2022, 11:54:57 am by PharmRock |
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Channel switching
Started by Johnnydoright |
8 Replies
3608 Views |
April 21, 2022, 07:01:02 pm by RadioComm |
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resistor identification
Started by joesatch |
6 Replies
3525 Views |
April 21, 2022, 09:11:34 am by mresistor |
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11 Replies
3706 Views |
April 21, 2022, 12:18:06 am by Bieworm |
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5 Replies
2816 Views |
April 20, 2022, 10:19:39 am by spunko |
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Excessive Amp Noise Level
Started by Tbone55 |
12 Replies
3695 Views |
April 20, 2022, 09:20:26 am by Tbone55 |
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13 Replies
11397 Views |
April 20, 2022, 08:42:36 am by SILVERGUN |
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Will this work?
Started by Stuff4bikes |
8 Replies
2742 Views |
April 20, 2022, 08:17:18 am by Stuff4bikes |
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21 Replies
6267 Views |
April 20, 2022, 04:51:10 am by shooter |
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3 Replies
2635 Views |
April 19, 2022, 09:32:20 pm by Willabe |
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375-0-375 PT a bit high?
Started by mini612 |
9 Replies
3204 Views |
April 19, 2022, 09:29:16 pm by PRR |
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