Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 11:30:08 am
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 11:30:08 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| CascoSieg, ghostinthescope and 128 Guests are viewing this board. | ||||
|
|
new amplifier build
Started by khansen810 |
2 Replies
2029 Views |
December 01, 2021, 04:00:59 pmby Bieworm |
|
|
74 Replies
15339 Views |
December 01, 2021, 03:56:19 pm by Bieworm |
|
|
|
|
16 Replies
5986 Views |
December 01, 2021, 02:32:39 am by shooter |
|
|
|
|
Ibanez TSA5-TVR reverb cutting out
Started by Hoodnight |
3 Replies
2448 Views |
November 30, 2021, 06:53:30 pm by uki |
|
|
KT66 vs 6v6
Started by dragonbat13 |
27 Replies
9818 Views |
November 30, 2021, 04:29:11 pm by PRR |
|
|
|
Stealth amp
Started by Sonny ReVerb |
9 Replies
3712 Views |
November 30, 2021, 02:45:52 pm by Sonny ReVerb |
|
|
|
Bias help 6l6 models
Started by joesatch |
9 Replies
5351 Views |
November 30, 2021, 02:14:18 pm by dude |
|
|
|
Fliptops TM1/M1-R Tremelo Wiring
Started by plexi50 |
6 Replies
3294 Views |
November 29, 2021, 06:50:41 pm by plexi50 |
|
|
|
Tube amp startup hum
Started by Miyagi_83 |
27 Replies
6708 Views |
November 29, 2021, 03:07:18 pm by Miyagi_83 |
|
|
|
4 Replies
2050 Views |
November 29, 2021, 01:48:49 pm by Stuff4bikes |
|
|
|
|
How does this phase inverter work?
Started by isaac_teller |
5 Replies
2649 Views |
November 28, 2021, 12:46:23 am by isaac_teller |
|
|
|
32 Replies
6238 Views |
November 27, 2021, 05:11:53 pm by TigerTrading2021 |
|
|
|
|
10 Replies
3848 Views |
November 27, 2021, 02:51:07 pm by tmknight |
|
|
|
|
Grid stoppers?
Started by Stuff4bikes |
6 Replies
3797 Views |
November 26, 2021, 05:14:32 pm by Stuff4bikes |
|
|
|
Unusual Hum/Buzz
Started by svejkist |
20 Replies
4946 Views |
November 26, 2021, 03:39:56 pm by svejkist |
|
|
|
How much to a$k ?
Started by jewishjay |
9 Replies
3285 Views |
November 26, 2021, 11:02:29 am by PRR |
|
|
|
Adding VVR and Pentode preamp stage
Started by 1blueheron |
10 Replies
3660 Views |
November 26, 2021, 07:50:36 am by 1blueheron |
|
|
|
17 Replies
4551 Views |
November 25, 2021, 10:39:14 am by uki |
|
|
|
|
bleeder resistors
Started by Bieworm |
5 Replies
4671 Views |
November 23, 2021, 04:10:28 pm by trobbins |
|
|
|
25 Replies
9478 Views |
November 23, 2021, 02:38:27 pm by HotBluePlates |
|
|
|
|
Oddball tubes - eccentric circuitry
Started by tschwarz |
2 Replies
2092 Views |
November 23, 2021, 01:29:02 pm by PRR |
|
|
|
An option for pf value caps
Started by SILVERGUN |
6 Replies
2832 Views |
November 23, 2021, 12:33:43 pm by PRR |
|
|
|
Tone King Imperial PI Question
Started by johngovan |
9 Replies
3154 Views |
November 22, 2021, 05:24:41 pm by johngovan |
|
|
|
1 Replies
1936 Views |
November 22, 2021, 03:25:33 pm by uki |
|
|
|
|
6G3 master volume
Started by suncrest |
15 Replies
4604 Views |
November 22, 2021, 10:12:02 am by SILVERGUN |
|
|
|
What type of phase inversion is this
Started by Stuff4bikes |
7 Replies
3456 Views |
November 22, 2021, 05:57:21 am by HotBluePlates |
|
|
|
Traynor YBA-1A 6550 Bias Question
Started by plumcrazyfx |
6 Replies
3155 Views |
November 21, 2021, 04:55:33 pm by plumcrazyfx |
|
|
|
2 Replies
2070 Views |
November 21, 2021, 10:11:26 am by swingarm |
|
|
|
|
Bogen K10 Master Volume
Started by Ifudontlikebees |
6 Replies
2790 Views |
November 21, 2021, 03:11:43 am by Ifudontlikebees |
|
|
|
1973 Princeton With Very Sensitive Reverb
Started by Pinball |
1 Replies
1848 Views |
November 20, 2021, 09:45:25 pm by sluckey |
|
|
|
PT 240v to 120v tap wiring
Started by shaun |
2 Replies
2062 Views |
November 20, 2021, 08:49:25 pm by shaun |
|
|
|
"Type 3" PPIMV mod. Is this correct?
Started by 1blueheron |
6 Replies
3531 Views |
November 20, 2021, 12:37:41 pm by 1blueheron |
|
|
|
Theory behind this power supply?
Started by 1blueheron |
10 Replies
3897 Views |
November 20, 2021, 10:51:17 am by 1blueheron |
|
|
|
Reverb Driver Transformer
Started by scstill |
1 Replies
2050 Views |
November 19, 2021, 05:20:20 pm by sluckey |
|
|
|
EL84 Kinda A Trainwreck B+ Question
Started by AHeck |
8 Replies
3466 Views |
November 19, 2021, 10:11:07 am by sluckey |
|
|
|
Elevating **DC** heater supplies
Started by Craftyjam |
34 Replies
7647 Views |
November 18, 2021, 10:24:51 pm by TigerTrading2021 |
|
|
|
Grounding diodes on tubes
Started by Stuff4bikes |
2 Replies
1977 Views |
November 18, 2021, 07:35:10 pm by Stuff4bikes |
|
|
|
NTC Thermistor question
Started by Esquirefreak |
7 Replies
4238 Views |
November 17, 2021, 03:27:54 pm by trobbins |
|
|
|
32 Replies
7011 Views |
November 17, 2021, 06:55:47 am by shooter |
|
|
|
|
Bias issue Fender 6G2
Started by Diverted |
2 Replies
2139 Views |
November 16, 2021, 04:30:46 pm by Diverted |
|
|
|
My Princeton Reverb Build
Started by dragonbat13 |
13 Replies
5077 Views |
November 15, 2021, 08:33:46 pm by dragonbat13 |
|
|
|
filament and fuse wiring
Started by scstill |
1 Replies
2858 Views |
November 15, 2021, 09:44:37 am by sluckey |
|
|
|
48 Replies
25896 Views |
November 13, 2021, 10:22:41 am by frankenxtein |
|
|
|
|
Marshall 2204 6v6
Started by dude |
4 Replies
2743 Views |
November 13, 2021, 12:30:05 am by Auke Jolman |
|
|
|
AB763 Tremolo smoothing cap?
Started by Esquirefreak |
1 Replies
2078 Views |
November 12, 2021, 05:15:40 pm by sluckey |
|
|
|
PT stray voltage?
Started by BrassElephant |
14 Replies
4081 Views |
November 12, 2021, 02:48:58 pm by BrassElephant |
|
|
|
Marshall Major, too low power
Started by Leevi |
2 Replies
2229 Views |
November 12, 2021, 11:46:33 am by Leevi |
|
|
|
5 Replies
4836 Views |
November 12, 2021, 09:25:31 am by tubenit |
|
|
|
|
Mills MRA12
Started by Vlada |
6 Replies
3162 Views |
November 12, 2021, 03:35:05 am by pdf64 |
|
|
|
motorboating only while warming up?
Started by thetragichero |
5 Replies
2833 Views |
November 11, 2021, 07:07:27 pm by DougGuy |
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 |