Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:44 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 62 Guests are viewing this board. | ||||
|
|
tremolo roach
Started by firemedic |
11 Replies
6869 Views |
by firemedic |
|
|
Hot PT in Mesa Boogie
Started by Platefire |
29 Replies
12263 Views |
by Platefire |
|
|
98 Replies
34740 Views |
by Willabe |
|
|
|
Send Receive schematic
Started by Lizard King |
2 Replies
4365 Views |
by Lizard King |
|
|
latest build
Started by ernie_jr |
5 Replies
4620 Views |
by LooseChange |
|
|
1 Replies
5003 Views |
by stratele52 |
|
|
|
2 Replies
3460 Views |
by PRR |
|
|
|
Univox Help Needed
Started by cdmarion |
22 Replies
10246 Views |
by Ritchie200 |
|
|
Bassman AA865 - {really AC568}
Started by Lizard King |
14 Replies
9094 Views |
by Lizard King |
|
|
Hum in a GA-19RVT.......
Started by Jack_Hester |
36 Replies
15568 Views |
by Jack_Hester |
|
|
6G9 Tremolux bias questions
Started by Gone_Fishing |
12 Replies
7190 Views |
by sluckey |
|
|
13 Replies
10260 Views |
by six el six |
|
|
|
24 Replies
13147 Views |
by smackoj |
|
|
|
8 Replies
6246 Views |
by HotBluePlates |
|
|
|
12 Replies
7080 Views |
by kagliostro |
|
|
|
HRD Crackling: Update Sucess!
Started by plexi50 |
32 Replies
10894 Views |
by phsyconoodler |
|
|
coupling caps quality
Started by Colas LeGrippa |
27 Replies
20601 Views |
by Colas LeGrippa |
|
|
Mitchell Pro 100 Schematics?
Started by balcorn80 |
8 Replies
8888 Views |
by HotBluePlates |
|
|
Valco tonemaster schem ?
Started by jerrydyer |
4 Replies
5842 Views |
by HotBluePlates |
|
|
Setting bias using amp head bias probe
Started by frank57 |
5 Replies
5946 Views |
by stratele52 |
|
|
7591 tubes
Started by ernie_jr |
10 Replies
17639 Views |
by PRR |
|
|
Trainwreck Express vs Marshall 1987 Plexi
Started by jojokeo |
34 Replies
25409 Views |
by printer2 |
|
|
Control Grid Reading On EL34.
Started by Gary_S |
30 Replies
18705 Views |
by Gary_S |
|
|
26 Replies
15054 Views |
by TubeGeek |
|
|
|
Very Strange Problem
Started by dscottguitars |
11 Replies
6077 Views |
by PRR |
|
|
Gibson Thor output impedance
Started by Tiny_Daddy |
3 Replies
4117 Views |
by HotBluePlates |
|
|
preamp tube testing chassis
Started by Quatro |
7 Replies
7134 Views |
by SoundmasterG |
|
|
50/60 cycles - difference in tone?
Started by Quatro |
5 Replies
9433 Views |
by HotBluePlates |
|
|
double decked layout boards ?
Started by tubenit |
7 Replies
5030 Views |
by SoundmasterG |
|
|
6.3V lamp current
Started by spacelabstudio |
7 Replies
5165 Views |
by tubeswell |
|
|
filter caps question
Started by dude |
5 Replies
4139 Views |
by dude |
|
|
2x Speaker Cab switch
Started by moonbird |
3 Replies
4264 Views |
by moonbird |
|
|
Princeton Reverb Clone Preamp Bias
Started by plexi50 |
8 Replies
5806 Views |
by HotBluePlates |
|
|
Powercon
Started by spacelabstudio |
1 Replies
3477 Views |
by HotBluePlates |
|
|
51 Replies
16803 Views |
by embotone |
|
|
|
Stand Alone JCM800 Preamp Help Please
Started by ncusack |
1 Replies
4542 Views |
by SILVERGUN |
|
|
44 Replies
20526 Views |
by SILVERGUN |
|
|
|
51 Replies
20593 Views |
by SleepLess |
|
|
|
6v6 ppp output tranny
Started by ernie_jr |
6 Replies
5551 Views |
by stratele52 |
|
|
Tweed Tone Control Simulation
Started by printer2 |
0 Replies
4746 Views |
by printer2 |
|
|
Pilot/heater delay when powering up
Started by Mars-Hall |
4 Replies
4055 Views |
by PRR |
|
|
10 Replies
5085 Views |
by Willabe |
|
|
|
TREMOLUX AB763 speaker load ?
Started by Colas LeGrippa |
13 Replies
9424 Views |
by Colas LeGrippa |
|
|
71 Replies
25442 Views |
by worth |
|
|
|
Lower V1 bypass cap value increases hum?
Started by schoolie |
18 Replies
12148 Views |
by tubenit |
|
|
Sovtek 5Y3
Started by labb |
18 Replies
9996 Views |
by jeff |
|
|
Hi.
Started by musicman3858 |
13 Replies
6738 Views |
by Willabe |
|
|
39 Replies
16945 Views |
by Gary_S |
|
|
|
2 Replies
4197 Views |
by HotBluePlates |
|
|
|
2 Replies
4390 Views |
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 |