Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 05:41:30 am
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:41:30 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| danhei and 62 Guests are viewing this board. | ||||
|
|
29 Replies
7810 Views |
September 27, 2017, 04:17:41 pmby sluckey |
|
|
|
|
bogen cha-20 hack
Started by DummyLoad |
29 Replies
8531 Views |
September 27, 2017, 03:03:48 pm by gjesse |
|
|
Second channel of AB763 behaving oddly
Started by evancorylevine « 1 2 » |
78 Replies
15307 Views |
September 27, 2017, 07:12:17 am by evancorylevine |
|
|
How to use a current limiter
Started by bnwitt |
3 Replies
5534 Views |
September 26, 2017, 02:16:56 pm by SoundmasterG |
|
|
|
7 Replies
2810 Views |
September 26, 2017, 01:03:27 pm by shooter |
|
|
|
|
Low power of 5D3
Started by Leevi |
20 Replies
6332 Views |
September 26, 2017, 05:54:10 am by Leevi |
|
|
|
1 Replies
2266 Views |
September 25, 2017, 06:32:00 pm by shooter |
|
|
|
|
power tube orientation
Started by dennyg |
2 Replies
2234 Views |
September 25, 2017, 02:55:47 pm by dennyg |
|
|
|
Princeton Chorus DSL Conversion
Started by 2deaf |
8 Replies
3912 Views |
September 25, 2017, 02:38:17 pm by SILVERGUN |
|
|
|
5 Replies
7720 Views |
September 25, 2017, 02:42:08 am by burger |
|
|
|
|
67 Replies
19138 Views |
September 24, 2017, 07:50:52 pm by pompeiisneaks |
|
|
|
|
schematic translation/interpretation
Started by davidwpack |
2 Replies
2074 Views |
September 24, 2017, 04:11:33 pm by davidwpack |
|
|
|
SE Power & OT Z calcs
Started by dennyg |
11 Replies
3509 Views |
September 24, 2017, 02:56:33 pm by tubeswell |
|
|
|
5E3 grounding
Started by JB |
6 Replies
3473 Views |
September 24, 2017, 02:44:26 pm by bnwitt |
|
|
|
Current limiter
Started by NotSure |
9 Replies
2798 Views |
September 24, 2017, 02:01:00 pm by NotSure |
|
|
|
Blues Jr. Reverb Problem
Started by dpm309 |
5 Replies
2568 Views |
September 24, 2017, 01:31:00 pm by dpm309 |
|
|
|
29 Replies
6866 Views |
September 24, 2017, 12:56:32 pm by tedsorvino1 |
|
|
|
|
5 Replies
2973 Views |
September 24, 2017, 12:46:17 pm by 2deaf |
|
|
|
|
2 Replies
1928 Views |
September 24, 2017, 06:41:12 am by tubenit |
|
|
|
|
screen grid resistor choice for KT88's
Started by Curranm |
6 Replies
7245 Views |
September 21, 2017, 10:15:21 pm by tubeswell |
|
|
|
New Build With a Problem
Started by JKRamsey1991 |
13 Replies
3845 Views |
September 21, 2017, 07:34:04 pm by JKRamsey1991 |
|
|
|
3 Replies
2581 Views |
September 21, 2017, 01:29:55 pm by sluckey |
|
|
|
|
53 Replies
19794 Views |
September 21, 2017, 11:52:51 am by PRR |
|
|
|
|
Hoffman blues jr modified HELP ME!!
Started by ClippIn4tae |
30 Replies
6102 Views |
September 21, 2017, 09:05:11 am by ClippIn4tae |
|
|
|
using the relay for my two channel build
Started by Curranm |
15 Replies
3751 Views |
September 21, 2017, 09:00:06 am by Curranm |
|
|
|
1 Replies
2154 Views |
September 20, 2017, 07:09:05 pm by sluckey |
|
|
|
|
Lead boost idea(s)?
Started by dennyg |
10 Replies
3920 Views |
September 20, 2017, 03:27:42 pm by 2deaf |
|
|
|
25 Replies
7963 Views |
September 20, 2017, 10:28:49 am by jjasilli |
|
|
|
|
7 Replies
3735 Views |
September 19, 2017, 08:01:14 pm by TubeGeek |
|
|
|
|
1 Replies
2215 Views |
September 19, 2017, 03:10:33 pm by SILVERGUN |
|
|
|
|
New Fender Amp
Started by Ed_Chambley |
16 Replies
5966 Views |
September 19, 2017, 10:58:42 am by Ed_Chambley |
|
|
|
Failed bias circuit
Started by jim |
20 Replies
6134 Views |
September 19, 2017, 07:41:03 am by labb |
|
|
|
G8 Gibsonette
Started by tubedue1 |
3 Replies
2221 Views |
September 18, 2017, 06:14:25 pm by PRR |
|
|
|
JSchem fixed for Mac
Started by sluckey |
0 Replies
1724 Views |
September 18, 2017, 01:52:43 pm by sluckey |
|
|
|
1watt early stages
Started by shooter |
7 Replies
2956 Views |
September 18, 2017, 09:00:15 am by shooter |
|
|
|
Stout TMB with 6v6 Question
Started by Bwmitc9285 |
24 Replies
7113 Views |
September 17, 2017, 06:25:12 pm by shooter |
|
|
|
Blackheart 5 Watt Conversion to Hoffman Stout
Started by purpletele « 1 2 » |
61 Replies
14821 Views |
September 17, 2017, 10:40:48 am by purpletele |
|
|
|
Hoffman Princeton reverb build loud hum
Started by Paulycoo |
8 Replies
3482 Views |
September 16, 2017, 09:39:41 pm by purpletele |
|
|
|
EL84 SE BIAS
Started by TIMBO |
13 Replies
7518 Views |
September 15, 2017, 09:08:22 pm by super&plexi |
|
|
|
Mesa Rectifier Recap?
Started by BetterOffShred |
3 Replies
3860 Views |
September 14, 2017, 04:27:12 pm by BetterOffShred |
|
|
|
6 Replies
3771 Views |
September 13, 2017, 11:03:56 pm by PRR |
|
|
|
|
Isolation transformer suggestions & info
Started by alange5 |
7 Replies
3755 Views |
September 13, 2017, 04:22:07 pm by PRR |
|
|
|
Need help with Princeton Reverb 6L6 Build
Started by waldner |
9 Replies
4277 Views |
September 13, 2017, 02:27:27 pm by mresistor |
|
|
|
Do I need to match my power tubes?
Started by evancorylevine |
4 Replies
2124 Views |
September 13, 2017, 02:02:59 pm by 92Volts |
|
|
|
Negative Feedback Adjustment?
Started by hesamadman |
11 Replies
4264 Views |
September 13, 2017, 01:40:29 pm by mwelch55 |
|
|
|
anyone built a 6G6-B
Started by Tone Junkie |
7 Replies
3500 Views |
September 13, 2017, 05:03:51 am by Ed_Chambley |
|
|
|
AA864 Bassman
Started by labb |
5 Replies
2945 Views |
September 13, 2017, 03:55:06 am by Ed_Chambley |
|
|
|
Power tube arcing
Started by ChubeRules |
6 Replies
4512 Views |
September 12, 2017, 08:28:47 am by shooter |
|
|
|
Channel switching
Started by warioblast |
4 Replies
2419 Views |
September 12, 2017, 08:25:54 am by sluckey |
|
|
|
FX Loop issue
Started by hesamadman |
4 Replies
2796 Views |
September 12, 2017, 08:07:06 am by hesamadman |
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 |