Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 05:50:07 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 05:50:07 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| SEL49 and 74 Guests are viewing this board. | ||||
|
|
18 Replies
3943 Views |
April 23, 2022, 05:07:48 pmby HotBluePlates |
|
|
|
|
Oscillation on vintage guitar amp
Started by Charles_63 |
2 Replies
2070 Views |
April 23, 2022, 02:12:54 pm by Charles_63 |
|
|
|
15 watt PA amp
Started by isaac_teller |
5 Replies
2324 Views |
April 23, 2022, 12:36:47 pm by isaac_teller |
|
|
|
3 Replies
2469 Views |
April 22, 2022, 08:48:08 pm by thetragichero |
|
|
|
|
Mixing Resistor Explanation (AB763)
Started by clbraddock |
8 Replies
5067 Views |
April 22, 2022, 11:54:57 am by PharmRock |
|
|
|
Channel switching
Started by Johnnydoright |
8 Replies
3236 Views |
April 21, 2022, 07:01:02 pm by RadioComm |
|
|
|
resistor identification
Started by joesatch |
6 Replies
3196 Views |
April 21, 2022, 09:11:34 am by mresistor |
|
|
|
11 Replies
3323 Views |
April 21, 2022, 12:18:06 am by Bieworm |
|
|
|
|
5 Replies
2512 Views |
April 20, 2022, 10:19:39 am by spunko |
|
|
|
|
Excessive Amp Noise Level
Started by Tbone55 |
12 Replies
3305 Views |
April 20, 2022, 09:20:26 am by Tbone55 |
|
|
|
13 Replies
10677 Views |
April 20, 2022, 08:42:36 am by SILVERGUN |
|
|
|
|
Will this work?
Started by Stuff4bikes |
8 Replies
2453 Views |
April 20, 2022, 08:17:18 am by Stuff4bikes |
|
|
|
21 Replies
5660 Views |
April 20, 2022, 04:51:10 am by shooter |
|
|
|
|
3 Replies
2349 Views |
April 19, 2022, 09:32:20 pm by Willabe |
|
|
|
|
375-0-375 PT a bit high?
Started by mini612 |
9 Replies
2861 Views |
April 19, 2022, 09:29:16 pm by PRR |
|
|
|
6 Replies
2981 Views |
April 18, 2022, 08:59:11 pm by PharmRock |
|
|
|
|
14 Replies
8834 Views |
April 18, 2022, 11:22:34 am by pdf64 |
|
|
|
|
SoLow watt ECL84
Started by bmccowan |
12 Replies
4551 Views |
April 18, 2022, 10:19:15 am by bmccowan |
|
|
|
Microphonic 4AB3C1B reverb tank
Started by punkykatt |
9 Replies
3757 Views |
April 18, 2022, 04:39:57 am by Latole |
|
|
|
4 Replies
2171 Views |
April 17, 2022, 11:26:36 pm by thetragichero |
|
|
|
|
3 Replies
2024 Views |
April 17, 2022, 07:27:42 pm by PharmRock |
|
|
|
|
Are my rectifier diodes dead?
Started by plumcrazyfx |
4 Replies
2058 Views |
April 17, 2022, 01:05:45 pm by plumcrazyfx |
|
|
|
5F2A - New Build Low Volume - Input?
Started by goangling |
22 Replies
5235 Views |
April 16, 2022, 04:15:34 pm by goangling |
|
|
|
That sweet sweet blackface treble sound
Started by 22uf |
2 Replies
1972 Views |
April 16, 2022, 11:23:08 am by uki |
|
|
|
FI SONIC KT88 COMBO
Started by TIMBO |
19 Replies
8084 Views |
April 15, 2022, 11:03:26 pm by TIMBO |
|
|
|
silvertone twin twelve reverb issue
Started by unclerny |
14 Replies
8679 Views |
April 15, 2022, 08:20:21 pm by nichesound |
|
|
|
Silvertone 1484 reverb mod please help!
Started by chrisq |
16 Replies
11565 Views |
April 15, 2022, 08:14:30 pm by nichesound |
|
|
|
4 Replies
2108 Views |
April 15, 2022, 06:50:55 pm by fdesalvo |
|
|
|
|
Unusual fault
Started by Rgeebee |
8 Replies
2414 Views |
April 15, 2022, 06:05:35 pm by Rgeebee |
|
|
32 Replies
9582 Views |
April 15, 2022, 04:31:30 pm by shooter |
|
|
|
|
What amp to build
Started by Grees01 |
38 Replies
6725 Views |
April 15, 2022, 03:43:47 pm by owen |
|
|
|
18 Replies
3755 Views |
April 15, 2022, 03:07:19 pm by Platefire |
|
|
|
|
Input jack Grounding best practice
Started by acheld |
22 Replies
10902 Views |
April 15, 2022, 02:55:30 pm by joesatch |
|
|
|
5 Replies
2586 Views |
April 15, 2022, 10:57:12 am by mresistor |
|
|
|
|
Ciao a tutti
Started by Bonfigl92 |
3 Replies
2433 Views |
April 15, 2022, 03:41:43 am by Latole |
|
|
|
11 Replies
3512 Views |
April 14, 2022, 08:42:43 pm by Esquirefreak |
|
|
|
|
Old Pro Junior Weird Noise
Started by Travis8 |
35 Replies
6052 Views |
April 14, 2022, 10:58:43 am by Travis8 |
|
|
|
Preamp only build
Started by joesatch |
2 Replies
1914 Views |
April 12, 2022, 04:20:22 pm by joesatch |
|
|
|
14 Replies
4302 Views |
April 12, 2022, 02:54:30 pm by punkykatt |
|
|
|
|
First Build report - Schedule 40 GA-5
Started by jaydeshan |
3 Replies
2227 Views |
April 11, 2022, 09:07:21 pm by jaydeshan |
|
|
|
6 Replies
2512 Views |
April 11, 2022, 08:35:53 pm by thetragichero |
|
|
|
|
7 Replies
2997 Views |
April 11, 2022, 07:28:07 pm by PharmRock |
|
|
|
|
Getter turning white, why?
Started by Sansteeth |
8 Replies
2432 Views |
April 11, 2022, 07:17:29 pm by PRR |
|
|
|
1 Replies
1746 Views |
April 11, 2022, 02:08:31 pm by SILVERGUN |
|
|
|
|
2 Replies
1881 Views |
April 11, 2022, 12:36:09 pm by hiegdk |
|
|
|
|
Plexi clone power and bias problems
Started by jewellworks |
4 Replies
2196 Views |
April 11, 2022, 10:45:44 am by uki |
|
|
51 Replies
7696 Views |
April 11, 2022, 10:27:46 am by Erik Aa |
|
|
|
|
Load line and biasing issues
Started by Breadbored |
3 Replies
2058 Views |
April 11, 2022, 08:35:15 am by Breadbored |
|
|
|
Negative bias connection on GZ34
Started by Bieworm |
3 Replies
2313 Views |
April 11, 2022, 08:25:29 am by tubeswell |
|
|
|
21 Replies
4250 Views |
April 10, 2022, 01:15:38 pm by thetragichero |
|
Normal Topic
Hot Topic (More than 25 replies)
Very Hot Topic (More than 50 replies)
Locked Topic
Sticky Topic
Poll
| Choose a link from the Hoffman Amplifiers parts catalog |
||
|
Mobile Device Catalog Link |
Yard Sale Discontinued |
Misc. Hardware |
| What's New |
Board Building Parts |
Amp trim Handles |
|
Lamps Diodes |
Hoffman Turret Boards |
Channel Switching |
| Resistors |
Fender Eyelet Boards |
Screws/Nuts Washers |
|
Jacks/Plugs Connectors |
Misc Eyelet Boards |
Tools |
| Capacitors |
Custom Boards |
Tubes Valves |
|
Pots Knobs |
Fuses/Cords |
Chassis |
|
Tube Sockets |
Switches |
Wire Cable |