Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 05:33:31 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 05:33:31 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 39 Guests are viewing this board. | ||||
|
|
4 Replies
2808 Views |
January 19, 2016, 02:41:25 pmby Fresh_Start |
|
|
|
|
16 Replies
8538 Views |
January 18, 2016, 05:24:39 pm by Paul1453 |
|
|
|
|
1 channel AB763 chassis size
Started by dunner84 |
9 Replies
2962 Views |
January 18, 2016, 02:33:31 pm by DummyLoad |
|
|
New 5f2a build oscillation Issue
Started by dunner84 |
36 Replies
7404 Views |
January 17, 2016, 01:10:11 pm by Paul1453 |
|
|
|
Fender reverb unit
Started by Big chief |
6 Replies
2715 Views |
January 16, 2016, 06:32:12 pm by Mike_J |
|
|
|
Sparks flying in power tubes...
Started by markmalin |
27 Replies
13757 Views |
January 16, 2016, 03:48:46 pm by markmalin |
|
|
|
31 Replies
8651 Views |
January 16, 2016, 12:47:40 pm by silverfox |
|
|
|
|
Salvaged Transformer Help
Started by ncusack |
7 Replies
3870 Views |
January 15, 2016, 08:00:18 am by eleventeen |
|
|
746 Replies
211166 Views |
January 14, 2016, 03:49:18 pm by sluckey |
|
|
|
|
18 Replies
14515 Views |
January 14, 2016, 01:20:42 pm by jane_t steele |
|
|
|
|
Matchless Spitfire Build Troubleshooting
Started by silendt |
31 Replies
12450 Views |
January 14, 2016, 12:31:26 am by MFowler |
|
|
|
4 gain stage comparison
Started by tubenit |
12 Replies
4504 Views |
January 13, 2016, 11:39:31 pm by PRR |
|
|
|
4 Replies
2233 Views |
January 13, 2016, 11:22:50 pm by bbbbass |
|
|
|
|
princeton reverb AA1164 new build
Started by khansen810 |
3 Replies
2232 Views |
January 12, 2016, 06:35:05 pm by EL34 |
|
|
|
Speaker jack mod
Started by Jerzey2222 |
16 Replies
3412 Views |
January 12, 2016, 01:25:05 pm by MFowler |
|
|
|
Some pointers on my breadboard?
Started by hesamadman |
5 Replies
2208 Views |
January 11, 2016, 08:38:44 pm by Paul1453 |
|
|
|
Input jacks Fender style
Started by uki |
10 Replies
6786 Views |
January 10, 2016, 10:34:29 pm by uki |
|
|
|
Bogen MX30A tweaker amp
Started by glassesnvests |
19 Replies
7332 Views |
January 10, 2016, 01:44:05 pm by PRR |
|
|
|
Fixed bias help
Started by goldstache |
6 Replies
2079 Views |
January 10, 2016, 09:47:04 am by goldstache |
|
|
|
OP Amp EQ circuit for Tube Amp
Started by silverfox |
12 Replies
4797 Views |
January 09, 2016, 02:39:18 pm by silverfox |
|
|
|
Whistling causes
Started by Paul1453 |
22 Replies
5769 Views |
January 09, 2016, 10:48:06 am by Paul1453 |
|
|
|
One Tube 6GW8 Reverb
Started by TIMBO |
2 Replies
4616 Views |
January 09, 2016, 06:46:36 am by tubenit |
|
|
|
Excessive heat and venting
Started by hesamadman |
18 Replies
4870 Views |
January 08, 2016, 09:06:39 pm by PRR |
|
|
|
2 Replies
1831 Views |
January 07, 2016, 01:14:07 pm by Skip Hagey |
|
|
|
|
KT66 Push Pull Output Transformer
Started by Ed_Chambley |
21 Replies
14699 Views |
January 07, 2016, 12:58:34 pm by Paul1453 |
|
|
|
13 Replies
4273 Views |
January 07, 2016, 06:03:09 am by EL34 |
|
|
|
|
2 Replies
2217 Views |
January 06, 2016, 06:08:33 pm by PRR |
|
|
|
|
PT ?
Started by okguitarman |
2 Replies
1570 Views |
January 04, 2016, 10:22:02 pm by okguitarman |
|
|
|
Troublesome silverface Champ
Started by alange5 |
12 Replies
5232 Views |
January 04, 2016, 10:00:12 pm by PRR |
|
|
|
15 Replies
14587 Views |
January 04, 2016, 03:17:42 pm by shooter |
|
|
|
|
iron from an ECLL800 amp
Started by birt |
16 Replies
10998 Views |
January 03, 2016, 04:19:37 pm by kagliostro |
|
|
|
Is this dangerous?
Started by TerryD |
3 Replies
2260 Views |
January 03, 2016, 03:35:17 pm by TerryD |
|
|
|
SE KT66 amp - which OT?
Started by Pete1950 |
15 Replies
7602 Views |
January 03, 2016, 11:17:33 am by shooter |
|
|
|
4 Replies
2200 Views |
January 02, 2016, 07:28:10 pm by TubeGeek |
|
|
|
|
Princeton build from he!!
Started by ElPedro |
4 Replies
1926 Views |
January 02, 2016, 08:33:03 am by HotBluePlates |
|
|
|
OT Primary to Secondary ratio
Started by Willabe |
8 Replies
2427 Views |
January 02, 2016, 08:21:51 am by HotBluePlates |
|
|
|
4 Replies
2667 Views |
January 01, 2016, 06:39:22 pm by PRR |
|
|
|
|
6V6 plexi (with 18 watt preamp) question
Started by dude |
10 Replies
3805 Views |
January 01, 2016, 07:36:46 am by MFowler |
|
|
|
DIASON HYBRID AMP
Started by TIMBO |
26 Replies
7341 Views |
December 31, 2015, 09:05:21 pm by TIMBO |
|
|
|
D'Lite with 6P1P
Started by adamG |
3 Replies
5131 Views |
December 31, 2015, 04:40:56 pm by PRR |
|
|
|
Do I have in "essence" 1 meg already?
Started by TerryD |
1 Replies
1871 Views |
December 31, 2015, 12:17:16 pm by Willabe |
|
|
|
5E3 plate voltages too low?
Started by markmalin |
8 Replies
6939 Views |
December 31, 2015, 10:07:00 am by markmalin |
|
|
|
9 Replies
3880 Views |
December 30, 2015, 09:53:41 pm by TerryD |
|
|
|
|
Harmonilux Reverb AA964???
Started by Toxophilite « 1 2 3 4 » |
168 Replies
27360 Views |
December 30, 2015, 06:05:24 pm by Toxophilite |
|
|
|
9 Replies
3001 Views |
December 30, 2015, 07:40:16 am by mresistor |
|
|
|
|
Deluxe Reverb AB763 Tremolo Issues
Started by plaidzebra |
9 Replies
2781 Views |
December 29, 2015, 09:06:16 pm by plaidzebra |
|
|
|
29 Replies
7277 Views |
December 29, 2015, 12:21:48 pm by jojokeo |
|
|
|
|
Bias not right on Princeton Reverb
Started by ElPedro |
5 Replies
3442 Views |
December 29, 2015, 08:31:20 am by sluckey |
|
|
|
3 Replies
2268 Views |
December 28, 2015, 11:23:35 pm by Fresh_Start |
|
|
|
|
11 Replies
3745 Views |
December 28, 2015, 04:26:34 pm by MFowler |
|
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 |