Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 08:14:38 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 135 Guests are viewing this board. | ||||
|
|
Tracing a buzz?
Started by 12AX7 |
14 Replies
9284 Views |
by stratele52 |
|
|
12 Replies
7238 Views |
by PRR |
|
|
|
some pot questions
Started by 12AX7 |
31 Replies
14782 Views |
by stratele52 |
|
|
Odd noises in my amp...
Started by Mostro |
10 Replies
6237 Views |
by Mostro |
|
|
first guitar amp repair .dart alamo .
Started by Tom_Hull |
16 Replies
8756 Views |
by Tom_Hull |
|
|
Ground Old Amp
Started by Otis |
9 Replies
5270 Views |
by Willabe |
|
|
Need help wiring a PT without any CT taps
Started by dude |
48 Replies
18620 Views |
by dude |
|
|
Bridge rectifier straight talk
Started by firemedic |
8 Replies
5252 Views |
by firemedic |
|
|
6 Replies
4454 Views |
by Colas LeGrippa |
|
|
|
29 Replies
10156 Views |
by Jack_Hester |
|
|
|
18 Replies
11130 Views |
by EL34 |
|
|
|
why a 22k presence pot?
Started by 12AX7 |
4 Replies
7569 Views |
by jojokeo |
|
|
When the chase becomes more important....
Started by 12AX7 |
21 Replies
11337 Views |
by 12AX7 |
|
|
Champ Amp build! Need oddball cap
Started by blueznet |
10 Replies
5617 Views |
by thermion |
|
|
ampeg gu-12 trem issue
Started by thermion |
6 Replies
5084 Views |
by thermion |
|
|
Trem-O-Drive Transformer Question
Started by blown240 |
4 Replies
4253 Views |
by PRR |
|
|
14 Replies
11187 Views |
by HotBluePlates |
|
|
|
2 channel amp - Switching help!
Started by liagasg |
31 Replies
14669 Views |
by liagasg |
|
|
silvertone 1484 tremelo issue
Started by Steve S. |
3 Replies
3304 Views |
by Steve S. |
|
|
7 Replies
4728 Views |
by PRR |
|
|
|
1975 Twin Reverb in for Repairs
Started by Platefire |
39 Replies
15602 Views |
by Willabe |
|
|
Knobs for a Supro 1624
Started by LooseChange |
10 Replies
5570 Views |
by LooseChange |
|
|
Single channel AB763 question?
Started by tdvt |
7 Replies
4742 Views |
by sluckey |
|
|
help with old radio????
Started by zapped |
11 Replies
5248 Views |
by PRR |
|
|
1939 guitar amp
Started by PRR |
29 Replies
11082 Views |
by tubeswell |
|
|
??? Amp Model
Started by plexi50 |
15 Replies
7777 Views |
by bigsbybender |
|
|
Built A Sch 40 GA-5 Today
Started by shortfuse |
23 Replies
7833 Views |
by shortfuse |
|
|
rectifier heater question
Started by bnew63 |
2 Replies
2703 Views |
by bnew63 |
|
|
5 Replies
4119 Views |
by Willabe |
|
|
|
7591 conversion to 6V6
Started by oldhippy |
25 Replies
22552 Views |
by oldhippy |
|
|
Alamo Electra 2570 Need a little help
Started by dude |
1 Replies
5880 Views |
by dude |
|
|
question regarding modifying pot value
Started by 12AX7 |
5 Replies
5032 Views |
by PRR |
|
|
Verlage Amplifier troubles
Started by TubeGeek |
4 Replies
4622 Views |
by PRR |
|
|
triode / pentode
Started by Colas LeGrippa |
32 Replies
31814 Views |
by HotBluePlates |
|
|
7 Replies
4881 Views |
by kagliostro |
|
|
|
choke help
Started by ernie_jr |
7 Replies
4231 Views |
by HotBluePlates |
|
|
negative feedback question
Started by navdave |
9 Replies
5267 Views |
by printer2 |
|
|
NTE558 diode
Started by schoolie |
4 Replies
2774 Views |
by schoolie |
|
|
HEADPHONE tube amp
Started by Colas LeGrippa |
13 Replies
7073 Views |
by Colas LeGrippa |
|
|
Inpedance Mismatch Question
Started by blown240 |
14 Replies
5629 Views |
by jojokeo |
|
|
Heater supply question
Started by John |
2 Replies
2388 Views |
by John |
|
|
5 Replies
4813 Views |
by kagliostro |
|
|
|
Master Volume On 100 Watt SF Twin
Started by plexi50 |
6 Replies
3545 Views |
by chuggy |
|
|
internal connection
Started by jeff |
20 Replies
7483 Views |
by tonewood |
|
|
OPT questions
Started by bnew63 |
6 Replies
3855 Views |
by PRR |
|
|
vintage diodes
Started by embotone |
2 Replies
2537 Views |
by PRR |
|
|
Question about Hoffman 5f6a bias circuit
Started by schoolie |
22 Replies
7800 Views |
by Ed_Chambley |
|
|
Rating of pots as variable resistors
Started by jeff |
5 Replies
2803 Views |
by PRR |
|
|
1 Replies
3304 Views |
by topbrent |
|
|
|
Hot Rod deluxe problem
Started by LooseChange |
3 Replies
2579 Views |
by birt |
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 |