Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 05:33:57 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 05:33:57 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 75 Guests are viewing this board. | ||||
|
|
Ampeg VT-40 Screen Grid Question
Started by Jack1962 |
1 Replies
2870 Views |
April 05, 2015, 09:36:25 amby sluckey |
|
|
What to build with this AO-29?
Started by Toxophilite |
35 Replies
8286 Views |
April 05, 2015, 01:20:12 am by Toxophilite |
|
|
|
Fender Amp schematic/layout problems
Started by Underwood |
12 Replies
3983 Views |
April 04, 2015, 05:44:03 pm by meycom |
|
|
|
Quad Bias Supply
Started by TIMBO |
18 Replies
5793 Views |
April 03, 2015, 11:44:37 pm by TIMBO |
|
|
|
Question on KT-66 vs 6L6 vs EL34K
Started by markmalin |
8 Replies
3719 Views |
April 03, 2015, 08:17:54 pm by shooter |
|
|
197 Replies
48422 Views |
April 03, 2015, 05:16:12 pm by TIMBO |
|
|
|
|
Tone stacks 5F6A vs Ab763
Started by Toxophilite |
17 Replies
11498 Views |
April 02, 2015, 11:18:29 pm by jjasilli |
|
|
|
35 Replies
9937 Views |
April 02, 2015, 04:18:44 pm by jojokeo |
|
|
|
|
When Perfect is too Perfect
Started by TerryD |
2 Replies
2339 Views |
April 02, 2015, 12:48:24 pm by shooter |
|
|
|
No sound when on, then suddenly sound
Started by aro |
30 Replies
6873 Views |
April 02, 2015, 10:20:45 am by aro |
|
|
|
How to improve tremolo intensity?
Started by MadMax |
12 Replies
11393 Views |
April 01, 2015, 08:17:42 pm by MadMax |
|
|
|
adding a Power Amp IN?
Started by Mook |
2 Replies
2193 Views |
April 01, 2015, 06:43:29 pm by Mook |
|
|
|
Help organize my board layout
Started by hesamadman |
14 Replies
4513 Views |
March 31, 2015, 02:52:44 pm by EL34 |
|
|
|
6 Replies
2844 Views |
March 31, 2015, 02:50:23 pm by EL34 |
|
|
|
|
100 Replies
29316 Views |
March 31, 2015, 12:26:05 pm by Siku Music |
|
|
|
|
18W Stout input channels
Started by terminalgs |
11 Replies
5816 Views |
March 31, 2015, 11:44:44 am by terminalgs |
|
|
|
bias switching
Started by shooter |
15 Replies
4922 Views |
March 31, 2015, 04:05:14 am by kagliostro |
|
|
|
1 Replies
2094 Views |
March 30, 2015, 01:39:12 pm by kagliostro |
|
|
|
|
todays haul
Started by Toxophilite |
2 Replies
2136 Views |
March 30, 2015, 10:42:31 am by Toxophilite |
|
|
|
Ampeg V-4BH low output
Started by BigE |
2 Replies
2028 Views |
March 30, 2015, 08:45:37 am by BigE |
|
|
|
Sluckey AB763 lite build question
Started by Toxophilite |
16 Replies
5011 Views |
March 29, 2015, 11:29:09 pm by Toxophilite |
|
|
|
Output P/T suggestion
Started by ernie_jr |
5 Replies
2962 Views |
March 29, 2015, 06:51:42 pm by DummyLoad |
|
|
|
Champion 600 reissue
Started by Toxophilite |
4 Replies
2879 Views |
March 29, 2015, 04:05:23 pm by Toxophilite |
|
|
|
10 Replies
5647 Views |
March 29, 2015, 02:34:28 pm by TubeGeek |
|
|
|
|
Hoffman Princeton Reverb Build
Started by sclinchy |
3 Replies
2158 Views |
March 29, 2015, 07:28:59 am by EL34 |
|
|
|
Amp Switching Circuit Popping
Started by 8Len8 |
12 Replies
6887 Views |
March 28, 2015, 03:38:34 pm by 2deaf |
|
|
|
2 Replies
2168 Views |
March 28, 2015, 01:53:18 pm by MakerDP |
|
|
|
|
Weber power transformer hookup options
Started by 1gonecat |
6 Replies
3458 Views |
March 27, 2015, 05:36:25 am by 1gonecat |
|
|
|
9 Replies
3147 Views |
March 27, 2015, 04:34:02 am by kagliostro |
|
|
|
|
0 Replies
1840 Views |
March 26, 2015, 09:36:25 am by guitarboy58 |
|
|
|
|
Causes of inadequate output power
Started by Matt C. |
5 Replies
2617 Views |
March 25, 2015, 08:29:21 pm by PRR |
|
|
|
Reverb is sucking my signal?!?!
Started by hesamadman |
3 Replies
2446 Views |
March 25, 2015, 07:31:07 pm by hesamadman |
|
|
|
Turret Boards
Started by kl2mcbride |
18 Replies
5485 Views |
March 25, 2015, 10:57:40 am by Fresh_Start |
|
|
|
11 Replies
3786 Views |
March 25, 2015, 10:09:46 am by super&plexi |
|
|
|
|
My first amp build (18W)
Started by pickdropper |
14 Replies
4279 Views |
March 25, 2015, 09:36:36 am by supro66 |
|
|
|
Sudden flash in EL84
Started by hesamadman |
3 Replies
2532 Views |
March 25, 2015, 08:27:12 am by sluckey |
|
|
|
D'Mars ODS EL84 quad
Started by Glennjeff |
17 Replies
5676 Views |
March 25, 2015, 07:32:09 am by Glennjeff |
|
|
|
5e3M Deluxe 1 watt
Started by tubenit |
0 Replies
2286 Views |
March 25, 2015, 05:06:34 am by tubenit |
|
|
|
Push pull 50W, suggestions ?
Started by Colas LeGrippa |
7 Replies
2696 Views |
March 24, 2015, 09:23:48 pm by Glennjeff |
|
|
|
7 Replies
2759 Views |
March 24, 2015, 04:06:19 pm by sluckey |
|
|
|
|
Filament Overvoltage
Started by clyde |
7 Replies
3225 Views |
March 23, 2015, 07:40:53 pm by Willabe |
|
|
|
12AY7 8 pin equivalent
Started by TIMBO |
14 Replies
6991 Views |
March 23, 2015, 02:01:34 pm by TIMBO |
|
|
|
2 Replies
2510 Views |
March 23, 2015, 02:07:05 am by kagliostro |
|
|
|
|
HiFi for some dudes at work
Started by nateflanigan |
9 Replies
3530 Views |
March 23, 2015, 12:16:13 am by PRR |
|
|
|
New Revibe: done! Needs fixing!
Started by SleepLess |
8 Replies
3071 Views |
March 22, 2015, 05:50:33 pm by shooter |
|
|
|
RCA plug for speaker jack on Fender amp
Started by Underwood |
25 Replies
8037 Views |
March 22, 2015, 10:31:28 am by Jim Coash |
|
|
|
Deluxe reverb 2 channel or 1
Started by JGk |
6 Replies
3524 Views |
March 21, 2015, 11:37:39 pm by Fresh_Start |
|
|
|
Repairing Blackface Bassman AB165
Started by MakerDP |
14 Replies
7005 Views |
March 21, 2015, 11:10:49 pm by MakerDP |
|
|
|
SS rectifumcation
Started by Toxophilite |
5 Replies
2609 Views |
March 21, 2015, 01:17:50 am by Toxophilite |
|
|
|
What Am I Seeing?
Started by zendragon63 |
6 Replies
2936 Views |
March 20, 2015, 11:03:21 pm by PRR |
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 |