Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 02:45:07 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 02:45:07 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 62 Guests are viewing this board. | ||||
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Bell Sound 2215
Started by Eulipian |
9 Replies
3257 Views |
May 22, 2019, 05:05:28 pmby Eulipian |
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bias of preamp tubes with a pot
Started by ALBATROS1234 |
6 Replies
2751 Views |
May 22, 2019, 04:37:26 pm by ALBATROS1234 |
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4 Replies
3225 Views |
May 21, 2019, 08:18:27 pm by PRR |
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Amp Going Into Cut-Off?
Started by mwelch55 |
6 Replies
2705 Views |
May 21, 2019, 08:15:30 pm by PRR |
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DIY Marantz 7 Motorboating
Started by Ed_Chambley |
4 Replies
4360 Views |
May 21, 2019, 08:09:54 pm by PRR |
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94 Replies
20848 Views |
May 21, 2019, 07:50:50 pm by Jaymz77 |
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Conn Minuet 531 conversion
Started by jmccanna |
0 Replies
1691 Views |
May 21, 2019, 12:23:54 pm by jmccanna |
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10 Replies
4676 Views |
May 20, 2019, 07:58:24 pm by jjasilli |
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Looking for feedback on my design please?
Started by Amped |
27 Replies
7718 Views |
May 20, 2019, 05:32:59 pm by shooter |
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12 Replies
3250 Views |
May 20, 2019, 11:12:47 am by dude |
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5 Replies
3595 Views |
May 20, 2019, 09:48:05 am by pdf64 |
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Relay Board Turret Install Tip
Started by NSB_Chris |
0 Replies
1999 Views |
May 19, 2019, 08:07:36 pm by NSB_Chris |
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12 Replies
5224 Views |
May 18, 2019, 04:11:29 am by DummyLoad |
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Wire gauge and some more
Started by Oddvar |
1 Replies
1882 Views |
May 17, 2019, 05:44:49 am by sluckey |
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12 Replies
6074 Views |
May 16, 2019, 05:53:40 pm by Shack |
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14 Replies
6372 Views |
May 16, 2019, 10:29:17 am by BobL |
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Another 2204 Build
Started by Bjorn |
14 Replies
5575 Views |
May 16, 2019, 08:33:20 am by nandrewjackson |
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12A Input jack install
Started by Tbone55 |
17 Replies
8790 Views |
May 15, 2019, 04:57:55 pm by Tbone55 |
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Dead Channel: 1960 5G5 Pro Amp
Started by centervolume |
4 Replies
2409 Views |
May 15, 2019, 03:22:41 pm by centervolume |
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145 Replies
35611 Views |
May 14, 2019, 08:20:21 pm by shooter |
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Need help with repair
Started by Bogeytomd |
16 Replies
4331 Views |
May 14, 2019, 07:03:39 pm by shooter |
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Lowest wattage PP pentode power amp
Started by Heph333 |
11 Replies
6805 Views |
May 13, 2019, 01:45:05 pm by kagliostro |
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Finding OT impedance
Started by dude |
18 Replies
7849 Views |
May 13, 2019, 12:11:48 pm by ALBATROS1234 |
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Wierd Fender Champ II issue
Started by reggiepe |
5 Replies
2551 Views |
May 13, 2019, 12:46:51 am by st |
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Need to add a Line Out
Started by Joe6v6 |
6 Replies
2953 Views |
May 12, 2019, 04:59:40 pm by 2deaf |
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1 Replies
1779 Views |
May 12, 2019, 03:24:29 pm by PRR |
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JCM800 / Plexi clone idea
Started by walkman |
1 Replies
1852 Views |
May 12, 2019, 09:51:18 am by tubenit |
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DoubleCavers5.3
Started by shooter |
26 Replies
8092 Views |
May 11, 2019, 07:08:50 pm by shooter |
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What fuse in Bandmaster 230v?
Started by Oddvar |
4 Replies
2178 Views |
May 11, 2019, 01:57:53 pm by pdf64 |
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Fender dating
Started by shooter |
8 Replies
3434 Views |
May 11, 2019, 11:16:57 am by shooter |
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Vibro Champ Issues
Started by TurboGuitarMelton |
8 Replies
4523 Views |
May 10, 2019, 08:42:03 am by jjasilli |
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9 Replies
4635 Views |
May 09, 2019, 05:53:09 pm by silverfox |
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6550 Vibro Champ?
Started by Ludfistersound |
6 Replies
2842 Views |
May 09, 2019, 05:39:14 pm by jjasilli |
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Transformer Recommendation
Started by shark38j |
4 Replies
2593 Views |
May 09, 2019, 02:07:48 pm by PRR |
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New amp
Started by davidwpack |
32 Replies
8048 Views |
May 09, 2019, 12:37:58 pm by davidwpack |
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12 Replies
4380 Views |
May 08, 2019, 04:25:01 pm by shooter |
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6CJ6 and 6DL5 PP revisited
Started by murrayatuptown |
7 Replies
4329 Views |
May 08, 2019, 04:10:56 pm by murrayatuptown |
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B15N to ~100W output?
Started by afinitemind |
38 Replies
11493 Views |
May 08, 2019, 03:32:57 pm by kagliostro |
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Questions on channel switching
Started by NSB_Chris |
15 Replies
6536 Views |
May 08, 2019, 10:37:38 am by NSB_Chris |
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Vintage iron for AC-30 clone?
Started by MWaldorf |
2 Replies
2379 Views |
May 08, 2019, 01:00:34 am by MWaldorf |
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Hammond AO43 chassis
Started by dude |
3 Replies
2284 Views |
May 06, 2019, 08:24:06 pm by PRR |
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Silvertone 1481 mods
Started by galaxiex |
22 Replies
8463 Views |
May 06, 2019, 08:13:57 pm by galaxiex |
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Fowler's Hot Rod Plexi #39
Started by purpletele « 1 2 » |
51 Replies
16001 Views |
May 06, 2019, 07:24:20 pm by purpletele |
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Power Amp 40-50 Watts with 4 5881s
Started by mwelch55 |
3 Replies
2384 Views |
May 06, 2019, 05:31:53 pm by jjasilli |
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59 Replies
23759 Views |
May 06, 2019, 10:19:00 am by sluckey |
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Using proper choke
Started by dude |
10 Replies
4572 Views |
May 06, 2019, 10:01:38 am by DummyLoad |
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Filter caps wiring Bandmaster
Started by Oddvar |
2 Replies
2150 Views |
May 05, 2019, 10:54:24 am by Tony Bones |
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headphone out for tube amp
Started by Papa Jim |
6 Replies
4638 Views |
May 05, 2019, 08:49:45 am by MFowler |
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9 Replies
3278 Views |
May 04, 2019, 04:39:07 am by John |
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63 Replies
15849 Views |
May 03, 2019, 09:25:08 am by shooter |
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Hot Topic (More than 25 replies)
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Misc. Hardware |
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Jacks/Plugs Connectors |
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Tools |
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Tubes Valves |
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Pots Knobs |
Fuses/Cords |
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Tube Sockets |
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Wire Cable |