Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 11:18:58 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 42 Guests are viewing this board. | ||||
|
|
14 Replies
5574 Views |
by Bieworm |
|
|
|
53 Replies
12745 Views |
by DummyLoad |
|
|
|
How to measure tube cathode current?
Started by pbman1953 |
12 Replies
9386 Views |
by zozoe |
|
|
7 Replies
4125 Views |
by HotBluePlates |
|
|
|
Audio Transformer reference
Started by acheld |
29 Replies
7541 Views |
by HotBluePlates |
|
|
Hammond AO-35 conversion
Started by joesatch |
7 Replies
4907 Views |
by bmccowan |
|
|
5E3 uneven frequency response
Started by Arry |
17 Replies
5840 Views |
by HotBluePlates |
|
|
Gibson GA-20 RVT T-Filter Question
Started by Deric |
2 Replies
2969 Views |
by Deric |
|
|
Help biasing an amp, PP EL34
Started by starseeds |
30 Replies
9157 Views |
by AlNewman |
|
|
Unusual capacitor values
Started by jada3909 |
3 Replies
2685 Views |
by acheld |
|
|
Princeton Reverb Transformer questions
Started by J3ona1 |
12 Replies
4921 Views |
by Willabe |
|
|
15 Replies
4665 Views |
by SoundmasterG |
|
|
|
Heater Center Tap Question
Started by imgumby001 |
11 Replies
4139 Views |
by passaloutre |
|
|
9 Replies
5691 Views |
by Jalmeida |
|
|
|
7 Replies
4685 Views |
by HotBluePlates |
|
|
|
Getting old and how to deal it!
Started by Planobilly |
24 Replies
6874 Views |
by Guy77 |
|
|
Bias settings for common power tubes
Started by TIMBO |
11 Replies
4359 Views |
by tubeswell |
|
|
potentiometers that stay at noon?
Started by fossilshark |
1 Replies
2651 Views |
by sluckey |
|
|
RCA 307 conversion
Started by AlNewman |
28 Replies
7973 Views |
by AlNewman |
|
|
transformer identification help
Started by joesatch |
6 Replies
4083 Views |
by HotBluePlates |
|
|
NOS/Vintage tubes worth it??
Started by Jalmeida |
18 Replies
5986 Views |
by HotBluePlates |
|
|
1 Replies
3059 Views |
by HotBluePlates |
|
|
|
6ak5 in place of EF86
Started by imgumby001 |
4 Replies
3665 Views |
by imgumby001 |
|
|
OPT defective ?
Started by Colas LeGrippa |
9 Replies
4623 Views |
by Platefire |
|
|
Vox with Fender channels?
Started by roseblood11 |
3 Replies
3927 Views |
by dwinstonwood |
|
|
Univox U102 Combo Cabinet Dimensions
Started by astronomicum |
5 Replies
3498 Views |
by bmccowan |
|
|
Bassman 50 grounding
Started by labb |
3 Replies
3089 Views |
by PRR |
|
|
Fender Bassman 50
Started by labb |
30 Replies
9701 Views |
by shooter |
|
|
5 Replies
3528 Views |
by Williamblake |
|
|
|
24 Replies
9502 Views |
by stratomaster |
|
|
|
51 Replies
14614 Views |
by Dave |
|
|
|
9 Replies
4641 Views |
by kagliostro |
|
|
|
Effects loop build question
Started by audiosalvage |
1 Replies
3052 Views |
by PRR |
|
|
Speaker jack speaker loads
Started by Jalmeida |
2 Replies
3035 Views |
by PRR |
|
|
Variac use in new build startup
Started by dude |
3 Replies
3723 Views |
by bmccowan |
|
|
National Dobro 400
Started by isaac_teller |
4 Replies
3687 Views |
by isaac_teller |
|
|
Resistor placement
Started by Diverted |
8 Replies
3813 Views |
by Latole |
|
|
Blues Jr frying preamp tubes
Started by mxrshiver |
5 Replies
3833 Views |
by pdf64 |
|
|
Gibson GA-30 need help picking capacitors
Started by delray |
11 Replies
5648 Views |
by Platefire |
|
|
11 Replies
4722 Views |
by kagliostro |
|
|
|
Changing value of potentiometer
Started by Mypalmurph |
22 Replies
6897 Views |
by Colas LeGrippa |
|
|
9 Replies
4743 Views |
by HotBluePlates |
|
|
|
Bassman 5F6-A build
Started by Keyboy |
15 Replies
6015 Views |
by PRR |
|
|
Musicman 2100 RD Power Transformer
Started by plexi50 |
3 Replies
3370 Views |
by plexi50 |
|
|
6V6 tweed bassman advice
Started by Bieworm |
38 Replies
10218 Views |
by Bieworm |
|
|
New Build with KT-88's
Started by W5FH |
1 Replies
3087 Views |
by W5FH |
|
|
Revibe Idea, 3ft reverb tank
Started by paulcblais |
2 Replies
3032 Views |
by Williamblake |
|
|
Ohms mismatch or swap output trans
Started by Mypalmurph |
4 Replies
3539 Views |
by pdf64 |
|
|
Hoffman_AB763_1 channel Completed
Started by RoadShow |
4 Replies
3927 Views |
by mresistor |
|
|
Resistors Making An Amp Quiet...
Started by sbeckett |
4 Replies
3786 Views |
by scstill |
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 |