Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 01:51:48 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 01:51:48 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 24 Guests are viewing this board. | ||||
|
|
22 Replies
4456 Views |
February 04, 2022, 05:16:14 amby Bieworm |
|
|
|
|
Capacitor value advice?
Started by timmyjoe |
3 Replies
1813 Views |
February 04, 2022, 12:04:57 am by PRR |
|
|
|
6 Replies
2764 Views |
February 03, 2022, 02:06:38 pm by Latole |
|
|
|
|
Sizing a reservoir Cap
Started by joesatch |
2 Replies
1754 Views |
February 03, 2022, 09:45:24 am by joesatch |
|
|
|
3 Replies
1860 Views |
February 03, 2022, 09:31:01 am by vampwizzard |
|
|
|
|
Ampeg VT40 weird standby switch
Started by jewishjay |
5 Replies
2092 Views |
February 02, 2022, 08:34:19 pm by jewishjay |
|
|
|
4 Replies
2234 Views |
February 02, 2022, 06:07:35 am by jackplug1 |
|
|
|
|
5F10 build completed
Started by mresistor |
6 Replies
2949 Views |
February 01, 2022, 07:13:38 pm by mresistor |
|
|
|
Dual Lite rotary switch pops
Started by mresistor |
20 Replies
3777 Views |
February 01, 2022, 11:46:11 am by mresistor |
|
|
|
5 Replies
2139 Views |
February 01, 2022, 09:54:47 am by joesatch |
|
|
|
|
Shop Fox Box Pan Brake
Started by Pollys13a |
0 Replies
1670 Views |
February 01, 2022, 09:42:07 am by Pollys13a |
|
|
|
VOX AC10-Twin Regrets
Started by zozoe |
0 Replies
1696 Views |
February 01, 2022, 09:11:10 am by zozoe |
|
|
|
How to Wire Raw Boost with Footswitch.. ?
Started by cboysen |
4 Replies
2987 Views |
February 01, 2022, 09:07:21 am by angelodp |
|
|
|
OT wiring help
Started by KimboDb |
5 Replies
2038 Views |
January 31, 2022, 09:46:23 pm by KimboDb |
|
|
Picking the Right Power Transformer
Started by scstill |
39 Replies
10137 Views |
January 31, 2022, 04:47:50 pm by sluckey |
|
|
|
potential Hoffman Princeton Reverb build
Started by joesatch |
3 Replies
1775 Views |
January 31, 2022, 12:11:22 am by PRR |
|
|
|
10 Replies
2882 Views |
January 31, 2022, 12:06:03 am by PRR |
|
|
|
|
16 Replies
3606 Views |
January 30, 2022, 09:07:41 pm by thetragichero |
|
|
|
|
Reduce PI B+ voltage
Started by joesatch |
11 Replies
2978 Views |
January 29, 2022, 10:19:46 pm by joesatch |
|
|
|
2 Replies
1935 Views |
January 29, 2022, 06:43:37 pm by PharmRock |
|
|
|
|
Webster PA amps with Dynamotor
Started by bmccowan |
8 Replies
2364 Views |
January 29, 2022, 03:15:14 pm by PRR |
|
|
|
Plexi 6V6 With Bootstrap
Started by MiniVanMan |
5 Replies
1997 Views |
January 29, 2022, 02:02:03 pm by pdf64 |
|
|
|
Neil Young Whizzer Servicing
Started by RadioComm |
0 Replies
1937 Views |
January 29, 2022, 05:25:47 am by RadioComm |
|
|
|
37 Replies
6695 Views |
January 28, 2022, 05:54:02 pm by Willabe |
|
|
|
|
23 Replies
3902 Views |
January 28, 2022, 04:53:16 pm by TurboGuitarMelton |
|
|
|
|
5 Replies
2719 Views |
January 28, 2022, 04:38:21 pm by jordan86 |
|
|
|
|
Filter capacitors a few questions
Started by Johnnydoright |
3 Replies
1695 Views |
January 28, 2022, 03:34:11 pm by PRR |
|
|
|
Filament transformer advice needed
Started by jackplug1 |
3 Replies
1816 Views |
January 28, 2022, 02:42:52 pm by jackplug1 |
|
|
|
Fender Vibratone & Leslie 16 crossover
Started by osing |
1 Replies
3284 Views |
January 28, 2022, 10:44:52 am by osing |
|
|
|
100 iron in 50 watt build?
Started by joesatch |
5 Replies
1837 Views |
January 28, 2022, 09:18:16 am by shooter |
|
|
|
Faraday cage on chassis open ends?
Started by PharmRock |
7 Replies
2399 Views |
January 28, 2022, 07:53:54 am by PharmRock |
|
|
|
EF86 vibroverb
Started by valvetones |
13 Replies
2895 Views |
January 27, 2022, 10:42:08 pm by valvetones |
|
|
|
13 Replies
2849 Views |
January 27, 2022, 09:49:06 am by Willabe |
|
|
|
|
4 Replies
3097 Views |
January 27, 2022, 01:05:37 am by Grees01 |
|
|
|
|
JTM45 Schematic and Layout
Started by PharmRock |
15 Replies
9071 Views |
January 26, 2022, 10:02:27 pm by Grees01 |
|
|
|
Ultra Linear hypothetical question
Started by Jonas |
3 Replies
1707 Views |
January 26, 2022, 03:15:41 am by pdf64 |
|
|
|
37 Replies
7712 Views |
January 25, 2022, 08:00:38 pm by bmccowan |
|
|
|
|
MOD Epiphone Valve Jr Help!!
Started by Travis8 |
5 Replies
2104 Views |
January 25, 2022, 09:43:34 am by PharmRock |
|
|
|
Magnatone Varsity capacitor confusion
Started by mellotron |
6 Replies
2237 Views |
January 24, 2022, 10:10:29 pm by mellotron |
|
|
|
SE circuit
Started by Stuff4bikes |
17 Replies
3522 Views |
January 24, 2022, 09:49:09 pm by Stuff4bikes |
|
|
|
14 Replies
2733 Views |
January 24, 2022, 11:59:38 am by PharmRock |
|
|
|
|
Phase Question
Started by Grees01 |
10 Replies
2456 Views |
January 24, 2022, 01:02:45 am by Grees01 |
|
|
|
6G16 vibroverb layout discrepancy
Started by valvetones |
6 Replies
2049 Views |
January 23, 2022, 01:24:17 pm by valvetones |
|
|
|
Unusual Pentode preamp.
Started by Cliff Rogers |
1 Replies
1704 Views |
January 23, 2022, 08:11:58 am by uki |
|
|
|
Hot Rod DeVille rebuild
Started by bigOandrew |
19 Replies
4830 Views |
January 22, 2022, 07:57:16 pm by glass54 |
|
|
|
Dual SE & PP Amp - Help with power supply
Started by _Steve |
12 Replies
3090 Views |
January 22, 2022, 11:33:27 am by kagliostro |
|
|
|
Horrible hum cased by?
Started by timmyjoe |
21 Replies
4636 Views |
January 21, 2022, 04:56:16 pm by acheld |
|
|
|
Component selection - PRRI rebuild
Started by mellotron |
4 Replies
1756 Views |
January 20, 2022, 08:39:22 pm by PRR |
|
|
|
Master volume on Matchless Clubman
Started by frankenxtein |
10 Replies
2325 Views |
January 20, 2022, 06:23:51 pm by frankenxtein |
|
|
|
Hand Wired vs Printed Circuit Board.
Started by Grees01 |
27 Replies
5116 Views |
January 20, 2022, 07:55:15 am by kagliostro |
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 |