Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 12:56:14 pm | ||
Subject / Started by | Replies / Views | Last post ![]() |
||
---|---|---|---|---|
0 Members and 50 Guests are viewing this board. | ||||
![]() |
![]() |
12 Replies
6650 Views |
![]() by PRR |
|
![]() |
![]() |
some pot questions
Started by 12AX7 |
31 Replies
13323 Views |
![]() by stratele52 |
![]() |
![]() |
Odd noises in my amp...
Started by Mostro |
10 Replies
5783 Views |
![]() by Mostro |
![]() |
![]() |
first guitar amp repair .dart alamo .
Started by Tom_Hull |
16 Replies
7876 Views |
![]() by Tom_Hull |
![]() |
![]() |
Ground Old Amp
Started by Otis |
9 Replies
4619 Views |
![]() by Willabe |
![]() |
![]() |
Need help wiring a PT without any CT taps
Started by dude |
48 Replies
15997 Views |
![]() by dude |
![]() |
![]() |
Bridge rectifier straight talk
Started by firemedic |
8 Replies
4503 Views |
![]() by firemedic |
![]() |
![]() |
6 Replies
3930 Views |
![]() by Colas LeGrippa |
|
![]() |
![]() |
29 Replies
9237 Views |
![]() by Jack_Hester |
|
![]() |
![]() |
18 Replies
10187 Views |
![]() by EL34 |
|
![]() |
![]() |
why a 22k presence pot?
Started by 12AX7 |
4 Replies
6985 Views |
![]() by jojokeo |
![]() |
![]() |
When the chase becomes more important....
Started by 12AX7 |
21 Replies
10241 Views |
![]() by 12AX7 |
![]() |
![]() |
Champ Amp build! Need oddball cap
Started by blueznet |
10 Replies
4953 Views |
![]() by thermion |
![]() |
![]() |
ampeg gu-12 trem issue
Started by thermion |
6 Replies
4560 Views |
![]() by thermion |
![]() |
![]() |
Trem-O-Drive Transformer Question
Started by blown240 |
4 Replies
3872 Views |
![]() by PRR |
![]() |
![]() |
14 Replies
9888 Views |
![]() by HotBluePlates |
|
![]() |
![]() |
2 channel amp - Switching help!
Started by liagasg |
31 Replies
13073 Views |
![]() by liagasg |
![]() |
![]() |
silvertone 1484 tremelo issue
Started by Steve S. |
3 Replies
2786 Views |
![]() by Steve S. |
![]() |
![]() |
7 Replies
4242 Views |
![]() by PRR |
|
![]() |
![]() |
1975 Twin Reverb in for Repairs
Started by Platefire |
39 Replies
14414 Views |
![]() by Willabe |
![]() |
![]() |
Knobs for a Supro 1624
Started by LooseChange |
10 Replies
5053 Views |
![]() by LooseChange |
![]() |
![]() |
Single channel AB763 question?
Started by tdvt |
7 Replies
4212 Views |
![]() by sluckey |
![]() |
![]() |
help with old radio????
Started by zapped |
11 Replies
4742 Views |
![]() by PRR |
![]() |
![]() |
1939 guitar amp
Started by PRR |
29 Replies
10005 Views |
![]() by tubeswell |
![]() |
![]() |
??? Amp Model
Started by plexi50 |
15 Replies
6983 Views |
![]() by bigsbybender |
![]() |
![]() |
Built A Sch 40 GA-5 Today
Started by shortfuse |
23 Replies
6980 Views |
![]() by shortfuse |
![]() |
![]() |
rectifier heater question
Started by bnew63 |
2 Replies
2301 Views |
![]() by bnew63 |
![]() |
![]() |
5 Replies
3612 Views |
![]() by Willabe |
|
![]() |
![]() |
7591 conversion to 6V6
Started by oldhippy |
25 Replies
21146 Views |
![]() by oldhippy |
![]() |
![]() |
Alamo Electra 2570 Need a little help
Started by dude |
1 Replies
5384 Views |
![]() by dude |
![]() |
![]() |
question regarding modifying pot value
Started by 12AX7 |
5 Replies
4449 Views |
![]() by PRR |
![]() |
![]() |
Verlage Amplifier troubles
Started by TubeGeek |
4 Replies
4212 Views |
![]() by PRR |
![]() |
![]() |
triode / pentode
Started by Colas LeGrippa |
32 Replies
30139 Views |
![]() by HotBluePlates |
![]() |
![]() |
7 Replies
4402 Views |
![]() by kagliostro |
|
![]() |
![]() |
choke help
Started by ernie_jr |
7 Replies
3772 Views |
![]() by HotBluePlates |
![]() |
![]() |
negative feedback question
Started by navdave |
9 Replies
4643 Views |
![]() by printer2 |
![]() |
![]() |
NTE558 diode
Started by schoolie |
4 Replies
2325 Views |
![]() by schoolie |
![]() |
![]() |
HEADPHONE tube amp
Started by Colas LeGrippa |
13 Replies
6183 Views |
![]() by Colas LeGrippa |
![]() |
![]() |
Inpedance Mismatch Question
Started by blown240 |
14 Replies
4676 Views |
![]() by jojokeo |
![]() |
![]() |
Heater supply question
Started by John |
2 Replies
2033 Views |
![]() by John |
![]() |
![]() |
5 Replies
4264 Views |
![]() by kagliostro |
|
![]() |
![]() |
Master Volume On 100 Watt SF Twin
Started by plexi50 |
6 Replies
3100 Views |
![]() by chuggy |
![]() |
![]() |
internal connection
Started by jeff |
20 Replies
6366 Views |
![]() by tonewood |
![]() |
![]() |
OPT questions
Started by bnew63 |
6 Replies
3257 Views |
![]() by PRR |
![]() |
![]() |
vintage diodes
Started by embotone |
2 Replies
2126 Views |
![]() by PRR |
![]() |
![]() |
Question about Hoffman 5f6a bias circuit
Started by schoolie |
22 Replies
6837 Views |
![]() by Ed_Chambley |
![]() |
![]() |
Rating of pots as variable resistors
Started by jeff |
5 Replies
2357 Views |
![]() by PRR |
![]() |
![]() |
1 Replies
2861 Views |
![]() by topbrent |
|
![]() |
![]() |
Hot Rod deluxe problem
Started by LooseChange |
3 Replies
2153 Views |
![]() by birt |
![]() |
![]() |
9 Replies
3605 Views |
![]() by jeff |
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 |