Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 07:30:47 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 07:30:47 pm | ||
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12 Replies
3596 Views |
May 16, 2022, 03:48:53 amby Latole |
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Output transformer for PP EL 34
Started by Stuff4bikes |
7 Replies
2507 Views |
May 15, 2022, 09:55:51 pm by Stuff4bikes |
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Mesa 50/50 Ch. A very low output
Started by JustMike |
6 Replies
2117 Views |
May 15, 2022, 02:02:29 pm by JustMike |
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2 issues, 2 different amps
Started by proaudioguy |
2 Replies
1673 Views |
May 13, 2022, 06:16:48 pm by proaudioguy |
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11 Replies
3699 Views |
May 13, 2022, 03:29:38 am by Latole |
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3 Replies
1773 Views |
May 12, 2022, 01:21:26 pm by kerobit |
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Max PD for SOVTEK 5881WXT?
Started by BlackCrowe604 |
6 Replies
2444 Views |
May 11, 2022, 04:54:16 am by pdf64 |
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5 Replies
2611 Views |
May 10, 2022, 08:57:38 pm by astronomicum |
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Cathode biasing EL34’s
Started by dude |
20 Replies
5678 Views |
May 10, 2022, 03:20:41 pm by dude |
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Non grounded reverb cables
Started by mresistor |
3 Replies
1847 Views |
May 09, 2022, 04:30:30 pm by sluckey |
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5E3 Voltages and PT Bias
Started by burgermeister |
29 Replies
7180 Views |
May 09, 2022, 11:20:21 am by PRR |
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Help wiring 2x12 cab
Started by joesatch |
6 Replies
2306 Views |
May 09, 2022, 07:33:28 am by jordan86 |
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Vox style CUT control in SE amp
Started by dunner84 |
7 Replies
2911 Views |
May 08, 2022, 07:40:43 pm by jordan86 |
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Stout Reverb Tone Stack
Started by Earlvis |
4 Replies
2161 Views |
May 08, 2022, 01:35:06 pm by tubeswell |
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Tone stack & NFB switch
Started by dwinstonwood |
3 Replies
1953 Views |
May 08, 2022, 10:38:57 am by dwinstonwood |
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Reverb Hum on Super Reverb
Started by PlateVoltage « 1 2 » |
60 Replies
12531 Views |
May 08, 2022, 08:57:33 am by Leevi |
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11 Replies
4815 Views |
May 07, 2022, 03:10:34 pm by RadioComm |
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G2 PS PT little question
Started by kagliostro |
17 Replies
3952 Views |
May 07, 2022, 08:42:55 am by kagliostro |
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2 Replies
1813 Views |
May 07, 2022, 08:04:01 am by richierick |
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19 Replies
6997 Views |
May 05, 2022, 08:33:08 am by kagliostro |
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Soldano SP77 preamp
Started by Leevi |
40 Replies
16398 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
3389 Views |
May 05, 2022, 02:33:56 am by glass54 |
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13 Replies
3388 Views |
May 04, 2022, 10:40:14 pm by cspar |
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5F1 Motorboating
Started by TIMBO |
4 Replies
2476 Views |
May 04, 2022, 02:43:17 pm by TIMBO |
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hash noise on start-up?
Started by luthierwnc |
9 Replies
2463 Views |
May 03, 2022, 07:00:52 pm by luthierwnc |
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Mystery Output Tranformer Measurements
Started by Rontone |
11 Replies
2854 Views |
May 03, 2022, 12:06:49 pm by Rontone |
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8 Replies
2826 Views |
May 03, 2022, 08:39:04 am by Nathan |
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12 Replies
5042 Views |
May 02, 2022, 10:30:28 am by pdf64 |
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New Build - SilverClone
Started by Hazcat |
7 Replies
2662 Views |
May 01, 2022, 06:52:05 pm by Hazcat |
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help identify which tubes
Started by uki |
6 Replies
2986 Views |
May 01, 2022, 01:40:39 pm by HotBluePlates |
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Hammond 290HX Bias winding
Started by Guy77 |
19 Replies
5636 Views |
May 01, 2022, 09:45:26 am by Guy77 |
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52 Replies
8712 Views |
April 30, 2022, 09:05:44 pm by thetragichero |
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93 Replies
16088 Views |
April 30, 2022, 06:27:25 pm by shooter |
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5 Replies
2321 Views |
April 29, 2022, 11:46:54 pm by Thisismyname |
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25 Replies
5352 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
2770 Views |
April 27, 2022, 09:39:28 pm by dwinstonwood |
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5E3 Kit Build
Started by bbmade |
3 Replies
2245 Views |
April 27, 2022, 01:50:19 pm by dude |
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Champ OT 5K or 8K?
Started by texwest |
22 Replies
4690 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
4720 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
6053 Views |
April 26, 2022, 06:38:53 pm by jordan86 |
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8 Replies
3118 Views |
April 26, 2022, 02:26:59 pm by EL34 |
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6K6GT's and 369HX
Started by dwinstonwood |
17 Replies
3538 Views |
April 26, 2022, 08:36:00 am by dwinstonwood |
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20 Replies
5052 Views |
April 25, 2022, 06:08:49 pm by pdf64 |
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8 Replies
3863 Views |
April 25, 2022, 06:00:17 pm by lantertronics |
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4 Replies
2218 Views |
April 25, 2022, 06:31:42 am by pdf64 |
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4 Replies
2109 Views |
April 24, 2022, 03:26:08 pm by jewishjay |
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2 Replies
1881 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
3302 Views |
April 24, 2022, 05:53:41 am by sluckey |
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18-watt rectifier considerations
Started by PharmRock |
28 Replies
5967 Views |
April 23, 2022, 08:58:42 pm by thetragichero |
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4 Replies
2985 Views |
April 23, 2022, 08:22:30 pm by uki |
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