Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 06:41:25 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:41:25 am | ||
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What the world needs - another D-style amp
Started by Joel |
6 Replies
2416 Views |
April 07, 2023, 03:07:18 pmby Platefire |
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26 Replies
4178 Views |
April 07, 2023, 02:56:38 pm by mresistor |
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Fresh 5E3 Build sounds dull and lifeless.
Started by maxupp |
10 Replies
2970 Views |
April 07, 2023, 01:22:24 pm by JPK |
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PL509 PP transformers?
Started by Balticnoiseforge |
14 Replies
5823 Views |
April 07, 2023, 09:04:26 am by Balticnoiseforge |
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Blows a fuse at high volume
Started by jewishjay |
16 Replies
3938 Views |
April 06, 2023, 08:53:35 pm by dude |
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12ax7 spacing
Started by fossilshark |
3 Replies
2263 Views |
April 06, 2023, 07:13:54 pm by tubenit |
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Cathode bypass capacitor blend pot
Started by sgbrewing |
12 Replies
3452 Views |
April 06, 2023, 02:28:08 pm by PRR |
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New Mojotone Deluxe Reverb noise question
Started by ARhodes |
3 Replies
2003 Views |
April 06, 2023, 11:47:18 am by tubeswell |
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Hiwatt DR103 baffler
Started by Sansteeth |
6 Replies
2355 Views |
April 06, 2023, 05:25:09 am by Sansteeth |
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Breadboard from parts laying around
Started by uki |
1 Replies
1616 Views |
April 06, 2023, 12:07:17 am by tubeswell |
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Sluckey Trem-O-Nator optocoupler drive
Started by W5FH |
8 Replies
2555 Views |
April 05, 2023, 06:12:14 pm by TenderTendon |
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8 Replies
2981 Views |
April 05, 2023, 02:04:22 pm by shaun |
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Cathode biased EL-84
Started by AlNewman |
22 Replies
4825 Views |
April 05, 2023, 02:05:08 am by tubeswell |
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23 Replies
4330 Views |
April 04, 2023, 11:18:54 pm by HotBluePlates |
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Charging an amps e-caps
Started by dude |
13 Replies
3194 Views |
April 04, 2023, 11:10:09 pm by HotBluePlates |
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Recta-Selecta switch???(now with pics)
Started by jeff |
24 Replies
3616 Views |
April 04, 2023, 07:37:21 pm by jeff |
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Amp starts and no sound
Started by mmilo |
5 Replies
2214 Views |
April 04, 2023, 02:49:58 pm by EL34 |
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FDR new build - needs drain down resistor
Started by Petedub |
3 Replies
1777 Views |
April 04, 2023, 11:43:44 am by tubeswell |
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5E3 Madness
Started by p2pAmps |
17 Replies
5361 Views |
April 03, 2023, 10:21:54 pm by BarryW |
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Philco 727
Started by AlNewman |
3 Replies
1726 Views |
April 03, 2023, 08:49:35 pm by AlNewman |
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1 Replies
1661 Views |
April 03, 2023, 07:15:52 pm by sluckey |
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Hum 5e3 New Building
Started by Blackface5f6 |
1 Replies
1576 Views |
April 03, 2023, 02:07:09 pm by Lectroid |
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12 Replies
2949 Views |
April 03, 2023, 10:36:36 am by bmccowan |
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Miscellaneous Hoffman Amp Videos
Started by purpletele |
11 Replies
3075 Views |
April 02, 2023, 09:15:29 pm by purpletele |
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19 Replies
3919 Views |
April 02, 2023, 12:56:53 pm by waldner |
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6 Replies
2003 Views |
April 02, 2023, 12:37:07 pm by bmccowan |
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Transformer part
Started by joesatch |
18 Replies
3786 Views |
April 02, 2023, 09:49:42 am by bmccowan |
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48 Replies
8512 Views |
April 02, 2023, 08:59:47 am by dude |
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Help with AC switch
Started by dunner84 |
7 Replies
2350 Views |
April 01, 2023, 08:43:25 am by mresistor |
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Variac question
Started by dude |
21 Replies
4454 Views |
March 31, 2023, 04:30:43 pm by dude |
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Harmonic tremolo - needs tweaking
Started by octa |
13 Replies
2916 Views |
March 30, 2023, 05:19:11 am by sluckey |
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38 Replies
11540 Views |
March 29, 2023, 08:12:38 pm by AmberB |
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Simplified AC10SRT question.
Started by Allbaldo |
7 Replies
2577 Views |
March 29, 2023, 07:36:30 pm by Allbaldo |
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12 Replies
3628 Views |
March 29, 2023, 06:38:46 pm by Sonny ReVerb |
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Trouble tighening a jewel holder
Started by RadioComm |
8 Replies
2761 Views |
March 29, 2023, 05:45:15 pm by bmccowan |
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Another good deed headache Crate VC3112
Started by rake |
9 Replies
2345 Views |
March 29, 2023, 04:10:26 pm by rake |
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10 Replies
2770 Views |
March 29, 2023, 06:41:38 am by jeff |
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7 Replies
2154 Views |
March 28, 2023, 06:30:15 pm by kagliostro |
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3 Replies
2043 Views |
March 28, 2023, 12:16:06 pm by sluckey |
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8 Replies
2355 Views |
March 28, 2023, 06:52:14 am by Madjackhatter |
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7591 PP Circuit Recommendations
Started by imgumby001 |
6 Replies
2398 Views |
March 27, 2023, 07:24:31 pm by Sonny ReVerb |
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9 Replies
4846 Views |
March 27, 2023, 02:25:01 pm by dude |
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Pro Junior fx loop
Started by Rockranger |
2 Replies
1839 Views |
March 27, 2023, 02:10:41 pm by Rockranger |
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Silver Face Princeton B+ voltage
Started by AmberB |
12 Replies
3130 Views |
March 27, 2023, 11:25:20 am by mresistor |
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Positive Feedback?
Started by shaun |
10 Replies
2943 Views |
March 27, 2023, 10:49:58 am by shaun |
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6AQ5 jcm800 lite
Started by slowferrari |
16 Replies
4474 Views |
March 27, 2023, 05:50:36 am by tubenit |
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Yet another tremolo thread...
Started by AmberB |
5 Replies
2125 Views |
March 26, 2023, 01:25:25 pm by HotBluePlates |
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Plexi 6v6 - Any mods?
Started by martinman |
13 Replies
3141 Views |
March 26, 2023, 01:11:52 pm by Beezerboy |
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How is SLOPE = -1 / Ra ??
Started by Lectroid |
23 Replies
4972 Views |
March 26, 2023, 11:52:41 am by Lectroid |
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Blues Deluxe Reissue Popping Noise
Started by evad567 |
1 Replies
1738 Views |
March 26, 2023, 10:45:47 am by dude |
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