Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 08:36:47 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 08:36:47 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 16 Guests are viewing this board. | ||||
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power transformer voltage?
Started by okguitarman |
8 Replies
2553 Views |
June 05, 2019, 01:10:42 amby d95err |
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50 Replies
13065 Views |
June 04, 2019, 06:59:30 pm by John |
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busted tubes causes?
Started by ALBATROS1234 |
7 Replies
3261 Views |
June 04, 2019, 09:17:12 am by ALBATROS1234 |
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Sluckey AB763 Lite Amp
Started by Papa Jim |
1 Replies
1878 Views |
June 03, 2019, 12:08:36 pm by drumslinger2000 |
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7 Replies
2833 Views |
June 02, 2019, 08:06:19 pm by ALBATROS1234 |
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HT supply
Started by isaac_teller |
8 Replies
3432 Views |
June 02, 2019, 11:49:05 am by kagliostro |
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4 Replies
2187 Views |
June 01, 2019, 03:28:47 pm by shooter |
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7 Replies
4331 Views |
June 01, 2019, 01:12:32 am by VMS |
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Stupid Question board
Started by newguitarsmell |
12 Replies
3927 Views |
June 01, 2019, 12:56:33 am by DummyLoad |
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Transformer Voltage Question
Started by shark38j |
6 Replies
2575 Views |
May 30, 2019, 11:18:15 am by sluckey |
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What are these parts?
Started by daveyajd |
2 Replies
1963 Views |
May 30, 2019, 09:21:31 am by daveyajd |
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AC15 transformers
Started by jim |
7 Replies
3237 Views |
May 29, 2019, 12:21:36 pm by pdf64 |
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Standalone Preamp-Reverb-Vibrato Project
Started by alathIN |
24 Replies
7593 Views |
May 29, 2019, 10:39:02 am by alathIN |
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Supro 24 with ppimv?
Started by ALBATROS1234 |
22 Replies
5685 Views |
May 29, 2019, 09:41:40 am by ALBATROS1234 |
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power rail resistors
Started by ernie_jr |
2 Replies
1759 Views |
May 29, 2019, 06:31:51 am by ernie_jr |
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Bias measurement with bypass caps
Started by kenny1547 |
2 Replies
1733 Views |
May 28, 2019, 02:12:17 am by kenny1547 |
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8 Replies
3058 Views |
May 27, 2019, 11:46:31 pm by purpletele |
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Choke size
Started by daveyajd |
10 Replies
2997 Views |
May 27, 2019, 08:40:39 pm by vampwizzard |
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10 Replies
2811 Views |
May 27, 2019, 02:51:21 pm by TubeJunkie |
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4 Replies
1977 Views |
May 27, 2019, 12:00:44 pm by sluckey |
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Ever seen these before?
Started by Oddvar |
1 Replies
1766 Views |
May 27, 2019, 11:04:44 am by dude |
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IM freaking out please help
Started by scaredashell |
18 Replies
4017 Views |
May 27, 2019, 10:37:33 am by Joel in Texas |
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Rivera Era Fender Input Jack Question
Started by plumcrazyfx |
3 Replies
2006 Views |
May 27, 2019, 08:07:31 am by sluckey |
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7 Replies
4557 Views |
May 25, 2019, 10:33:34 pm by vampwizzard |
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Volume
Started by davidwpack « 1 2 » |
55 Replies
9936 Views |
May 25, 2019, 04:48:58 pm by shooter |
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8 Replies
3641 Views |
May 25, 2019, 07:10:56 am by Sonny ReVerb |
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10 Replies
5121 Views |
May 24, 2019, 02:18:53 am by bigdaddydiesel |
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strange 5C1 preamp characteristics
Started by SHaD0ST31N |
3 Replies
2358 Views |
May 23, 2019, 07:31:25 pm by SHaD0ST31N |
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1961 6G6A .25uf Astrons are done!
Started by Opry Audio |
2 Replies
1728 Views |
May 23, 2019, 04:25:56 pm by Opry Audio |
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2 Replies
1883 Views |
May 23, 2019, 03:26:18 pm by jjasilli |
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63 Replies
14673 Views |
May 23, 2019, 05:43:13 am by tubenit |
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7 Replies
4274 Views |
May 23, 2019, 12:28:35 am by purpletele |
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Bell Sound 2215
Started by Eulipian |
9 Replies
3096 Views |
May 22, 2019, 05:05:28 pm by Eulipian |
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bias of preamp tubes with a pot
Started by ALBATROS1234 |
6 Replies
2574 Views |
May 22, 2019, 04:37:26 pm by ALBATROS1234 |
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4 Replies
3034 Views |
May 21, 2019, 08:18:27 pm by PRR |
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Amp Going Into Cut-Off?
Started by mwelch55 |
6 Replies
2468 Views |
May 21, 2019, 08:15:30 pm by PRR |
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DIY Marantz 7 Motorboating
Started by Ed_Chambley |
4 Replies
4119 Views |
May 21, 2019, 08:09:54 pm by PRR |
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94 Replies
19971 Views |
May 21, 2019, 07:50:50 pm by Jaymz77 |
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Conn Minuet 531 conversion
Started by jmccanna |
0 Replies
1511 Views |
May 21, 2019, 12:23:54 pm by jmccanna |
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10 Replies
4474 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
7412 Views |
May 20, 2019, 05:32:59 pm by shooter |
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12 Replies
3047 Views |
May 20, 2019, 11:12:47 am by dude |
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5 Replies
3395 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
1828 Views |
May 19, 2019, 08:07:36 pm by NSB_Chris |
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12 Replies
4892 Views |
May 18, 2019, 04:11:29 am by DummyLoad |
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Wire gauge and some more
Started by Oddvar |
1 Replies
1746 Views |
May 17, 2019, 05:44:49 am by sluckey |
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12 Replies
5831 Views |
May 16, 2019, 05:53:40 pm by Shack |
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14 Replies
6046 Views |
May 16, 2019, 10:29:17 am by BobL |
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Another 2204 Build
Started by Bjorn |
14 Replies
5336 Views |
May 16, 2019, 08:33:20 am by nandrewjackson |
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12A Input jack install
Started by Tbone55 |
17 Replies
8317 Views |
May 15, 2019, 04:57:55 pm by Tbone55 |
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Misc. Hardware |
| What's New |
Board Building Parts |
Amp trim Handles |
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Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
| Resistors |
Fender Eyelet Boards |
Screws/Nuts Washers |
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Jacks/Plugs Connectors |
Misc Eyelet Boards |
Tools |
| Capacitors |
Custom Boards |
Tubes Valves |
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Pots Knobs |
Fuses/Cords |
Chassis |
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Tube Sockets |
Switches |
Wire Cable |