Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 08:08:00 am | ||
| Subject / Started by | Replies / Views | Last post ![]() |
||
|---|---|---|---|---|
| 0 Members and 62 Guests are viewing this board. | ||||
|
|
Correct primary impedance for a GA-20 OT
Started by john59 |
3 Replies
2694 Views |
by jazbo8 |
|
|
Silver Jubilee Lite
Started by TIMBO |
0 Replies
2133 Views |
by TIMBO |
|
|
Bass boost switch on brown deluxe?
Started by Quatro |
8 Replies
3845 Views |
by sluckey |
|
|
Help with my Mesa MarkIIB
Started by Marcus |
2 Replies
2394 Views |
by stratele52 |
|
|
Peavey Road Master Hack
Started by silverfox |
7 Replies
4783 Views |
by silverfox |
|
|
Master volume pot taper.
Started by FranciscoPerez |
27 Replies
8266 Views |
by thelonious |
|
|
Unfair Bias ?
Started by Toxophilite |
21 Replies
6925 Views |
by Toxophilite |
|
|
811 insanity
Started by 6G6 |
11 Replies
4841 Views |
by PRR |
|
|
Amp weirdness
Started by 3choplex |
6 Replies
3205 Views |
by Platefire |
|
|
134 Replies
42426 Views |
by plexi50 |
|
|
|
Stumped on a 5f11
Started by jukelemon |
11 Replies
6377 Views |
by stratele52 |
|
|
New Tube Market Survey
Started by plexi50 |
1 Replies
2385 Views |
by HotBluePlates |
|
|
WARNING!!!(3 prong cords)
Started by jeff |
6 Replies
3401 Views |
by Stankfut |
|
|
Transformers .......in disguise
Started by Toxophilite |
8 Replies
3968 Views |
by Toxophilite |
|
|
10 Replies
4676 Views |
by kagliostro |
|
|
|
12 Replies
7367 Views |
by FranciscoPerez |
|
|
|
old orange drops
Started by ernie_jr |
2 Replies
2892 Views |
by SoundmasterG |
|
|
18 Replies
11394 Views |
by chocopower |
|
|
|
68 Replies
23377 Views |
by Willabe |
|
|
|
8 Replies
7393 Views |
by kagliostro |
|
|
|
13 Replies
5774 Views |
by HotBluePlates |
|
|
|
2 Replies
3388 Views |
by x44d80 |
|
|
|
all-tube guitar headphone amp.
Started by arjepsen |
5 Replies
5895 Views |
by kagliostro |
|
|
isolation transformer question.
Started by jeff |
8 Replies
3517 Views |
by jjasilli |
|
|
pre-amp ?'s
Started by shooter |
9 Replies
4629 Views |
by shooter |
|
|
12 Replies
4597 Views |
by eleventeen |
|
|
|
Should I use .001 instead of .0005?
Started by hesamadman |
4 Replies
2943 Views |
by stratele52 |
|
|
11 Replies
4861 Views |
by smackoj |
|
|
|
Electrolytic Capacitor Question
Started by Platefire |
3 Replies
2246 Views |
by Platefire |
|
|
are these caps bad?
Started by pbman1953 |
36 Replies
12409 Views |
by pbman1953 |
|
|
Mismatch power tube current balance
Started by TIMBO |
28 Replies
8660 Views |
by TIMBO |
|
|
4 Replies
2972 Views |
by Speakz |
|
|
|
16 Replies
9340 Views |
by Willabe |
|
|
|
3 Replies
2614 Views |
by stratele52 |
|
|
|
Reverb hum - pedal related
Started by osing |
13 Replies
4789 Views |
by osing |
|
|
Happy New Year!!!
Started by plexi50 |
8 Replies
3945 Views |
by FranciscoPerez |
|
|
Adding EMI filter to an amp?
Started by ncusack |
4 Replies
5815 Views |
by stratele52 |
|
|
9 Replies
4647 Views |
by HotBluePlates |
|
|
|
Does dual bias really work to 'Match' tubes?
Started by Ed_Chambley « 1 2 » |
66 Replies
26546 Views |
by Willabe |
|
|
Why did Peavey do this ?
Started by floyd |
1 Replies
3300 Views |
by PRR |
|
|
Temperature of a 12AX7
Started by TIMBO |
14 Replies
7516 Views |
by TIMBO |
|
|
Brown Concert bias mod?
Started by Mars-Hall |
12 Replies
5356 Views |
by eleventeen |
|
|
Mo' Rock Special
Started by tubenit |
3 Replies
2886 Views |
by terminalgs |
|
|
Newcomb Pathfinder E-10B
Started by SpareRibs |
22 Replies
11700 Views |
by SpareRibs |
|
|
Ampeg Superjet SJ12T (1990's)
Started by upnorth2 |
0 Replies
3655 Views |
by upnorth2 |
|
|
mosfet CF bootstrapped?
Started by tubenit |
19 Replies
8562 Views |
by kagliostro |
|
|
New Tung Sol- KT's
Started by pbman1953 |
16 Replies
7911 Views |
by Ritchie200 |
|
|
quad 6bq5 build
Started by shooter |
14 Replies
7295 Views |
by shooter |
|
|
AA864 Bassman ?
Started by floyd |
7 Replies
7650 Views |
by Willabe |
|
|
Note to all - Merry Christmas
Started by dude |
16 Replies
5548 Views |
by FranciscoPerez |
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 |