Welcome To the Hoffman Amplifiers Forum
February 27, 2026, 08:35:38 pm
Welcome To the Hoffman Amplifiers ForumFebruary 27, 2026, 08:35:38 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 43 Guests are viewing this board. | ||||
|
|
22 Replies
14983 Views |
May 11, 2010, 12:28:25 pmby simonallaway |
|
|
|
|
6 Replies
6806 Views |
May 10, 2010, 11:07:15 pm by Ritchie200 |
|
|
|
|
Totem Pole
Started by duke of earl |
16 Replies
9683 Views |
May 10, 2010, 09:14:05 pm by duke of earl |
|
|
|
6 Replies
10447 Views |
May 10, 2010, 11:49:50 am by Jack1962 |
|
|
|
|
15 Replies
9190 Views |
May 09, 2010, 11:55:57 pm by TubeGeek |
|
|
|
|
6550 bias in ultraliniear connection
Started by Bub |
11 Replies
11496 Views |
May 09, 2010, 08:51:58 pm by Bub |
|
|
|
to drop voltage or not?
Started by bnew63 |
8 Replies
5796 Views |
May 09, 2010, 03:52:34 pm by bnew63 |
|
|
|
19 Replies
11968 Views |
May 09, 2010, 12:14:36 pm by imaradiostar |
|
|
|
|
6 Replies
6682 Views |
May 09, 2010, 12:01:32 pm by bigdaddy |
|
|
|
|
Reverb driver
Started by Leevi |
18 Replies
10635 Views |
May 09, 2010, 11:58:58 am by imaradiostar |
|
|
|
The "Opus" Amp??
Started by TIMBO |
18 Replies
8959 Views |
May 08, 2010, 05:47:31 pm by TIMBO |
|
|
Looking for a good tube mic preamp schematic
Started by kagliostro « 1 2 » |
76 Replies
47685 Views |
May 08, 2010, 04:35:18 pm by kagliostro |
|
|
|
18 Replies
16069 Views |
May 08, 2010, 01:35:55 pm by Fresh_Start |
|
|
|
|
Grounding- AB763 AB165 AA864 etc.
Started by J Rindt |
5 Replies
8628 Views |
May 08, 2010, 01:23:50 pm by Fresh_Start |
|
|
|
12ax7 Phase inverter voltages
Started by Bub |
3 Replies
11565 Views |
May 08, 2010, 10:41:07 am by Bub |
|
|
|
Where to get a roach?
Started by tubesornothing |
3 Replies
4550 Views |
May 08, 2010, 01:05:48 am by Shrapnel |
|
|
|
PP OPT in a SE Amp
Started by Trevor_Long |
7 Replies
6031 Views |
May 07, 2010, 08:12:16 pm by bigdaddy |
|
|
|
6G6-A Bassman
Started by J Rindt |
7 Replies
6590 Views |
May 06, 2010, 03:16:49 pm by Shrapnel |
|
|
|
Pro Reverb cap job
Started by gbeard |
2 Replies
4289 Views |
May 06, 2010, 07:50:29 am by alerich |
|
|
|
22 Replies
11582 Views |
May 05, 2010, 10:32:44 pm by SoundmasterG |
|
|
|
|
high low jack question ?
Started by john_t |
2 Replies
3983 Views |
May 05, 2010, 06:57:25 pm by john_t |
|
|
Destructive mistakes
Started by atmars |
31 Replies
13580 Views |
May 05, 2010, 03:09:27 pm by jojokeo |
|
|
|
high end parts
Started by bnew63 |
26 Replies
10816 Views |
May 05, 2010, 07:24:52 am by bigdaddy |
|
|
|
Dating a DSL JCM 2000
Started by Backwoods Joe |
12 Replies
7276 Views |
May 04, 2010, 06:06:47 pm by Backwoods Joe |
|
|
|
2 Replies
4750 Views |
May 04, 2010, 04:56:10 pm by phsyconoodler |
|
|
|
|
disturbance when turning the pot
Started by Leevi |
15 Replies
8814 Views |
May 04, 2010, 02:44:31 pm by tubeswell |
|
|
|
Cap in Stout amp
Started by Mats |
4 Replies
4308 Views |
May 04, 2010, 01:14:06 pm by Mats |
|
|
|
don't know opt's output
Started by bnew63 |
46 Replies
16474 Views |
May 04, 2010, 01:19:15 am by Shrapnel |
|
|
|
single speaker out of phase??!??
Started by tubesornothing |
13 Replies
9778 Views |
May 03, 2010, 10:14:04 pm by P Batty |
|
|
|
Critique this schematic...please.
Started by bigsbybender |
8 Replies
6135 Views |
May 03, 2010, 01:47:15 pm by terminalgs |
|
|
|
what would happen ga 20
Started by john_t |
8 Replies
6135 Views |
May 03, 2010, 11:46:09 am by panhead |
|
|
|
106 Replies
40153 Views |
May 03, 2010, 10:47:37 am by bigdaddy |
|
|
|
|
11 Replies
7820 Views |
May 02, 2010, 02:50:39 pm by Structo |
|
|
|
|
Tremolux 6G9 adjustable bias
Started by skyclad |
1 Replies
4301 Views |
May 02, 2010, 02:43:40 pm by tubeswell |
|
|
|
23 Replies
15014 Views |
May 02, 2010, 02:19:39 am by HotBluePlates |
|
|
|
|
uk transformers
Started by cigarboxblues |
28 Replies
11701 Views |
May 01, 2010, 10:09:38 pm by PRR |
|
|
|
VHT Special 6 - What a bargain!
Started by chocopower |
25 Replies
14860 Views |
May 01, 2010, 05:44:29 pm by tubesornothing |
|
|
|
tubes with 117 volt heaters
Started by Jack1962 |
8 Replies
7500 Views |
May 01, 2010, 10:55:09 am by Tiny_Daddy |
|
|
|
Horizontal EL84?
Started by Ritchie200 |
11 Replies
8300 Views |
May 01, 2010, 03:16:51 am by FYL |
|
|
|
Low End Cutting Out
Started by xkaynex |
4 Replies
4806 Views |
April 30, 2010, 04:44:46 pm by tubesornothing |
|
|
|
18 Replies
10586 Views |
April 29, 2010, 01:43:26 pm by simonallaway |
|
|
|
|
Tube recomendations for a Bassman
Started by pbman1953 |
15 Replies
8496 Views |
April 29, 2010, 10:42:24 am by pbman1953 |
|
|
|
tremolos... 5G9, 5E9 and 5F11!
Started by bruno |
6 Replies
9393 Views |
April 29, 2010, 02:56:03 am by HotBluePlates |
|
|
|
8 Replies
6786 Views |
April 28, 2010, 05:48:50 pm by Tiny_Daddy |
|
|
|
|
got hold of an old amp chassis
Started by cigarboxblues |
6 Replies
6012 Views |
April 28, 2010, 03:05:27 pm by cigarboxblues |
|
|
|
1 Replies
4964 Views |
April 28, 2010, 09:54:10 am by darkbluemurder |
|
|
|
|
18 watt build red-plating
Started by Jennings |
7 Replies
6808 Views |
April 28, 2010, 09:32:25 am by Ritchie200 |
|
|
|
Fender Deluxe ID
Started by Jack1962 |
9 Replies
6443 Views |
April 27, 2010, 09:17:20 pm by Jack1962 |
|
|
|
2 Replies
5436 Views |
April 27, 2010, 03:50:25 pm by punkykatt |
|
|
|
|
tweed vibrolux (5E11, 5F11), tremolo...
Started by bruno |
6 Replies
8625 Views |
April 27, 2010, 03:23:57 pm by tubeswell |
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 |