Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 08:29:22 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 08:29:22 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| Willabe and 64 Guests are viewing this board. | ||||
|
|
48 Gibson GA30 / Unacceptable Hum
Started by plexi50 |
10 Replies
7428 Views |
January 29, 2011, 08:27:32 pmby DummyLoad |
|
|
|
7 Replies
5438 Views |
January 29, 2011, 03:59:18 pm by stingray_65 |
|
|
|
|
1 Replies
4208 Views |
January 29, 2011, 02:18:44 pm by jeff |
|
|
|
|
5 Replies
5277 Views |
January 29, 2011, 01:59:15 pm by dude |
|
|
|
|
Rivera Clubster noise
Started by Tiny_Daddy |
0 Replies
4353 Views |
January 29, 2011, 01:46:15 pm by Tiny_Daddy |
|
|
|
Best way to add heater current?
Started by pullshocks |
5 Replies
6267 Views |
January 29, 2011, 01:42:04 am by pullshocks |
|
|
|
Power and Output Transformers
Started by WillieBoy |
3 Replies
5097 Views |
January 29, 2011, 01:16:04 am by zendragon63 |
|
|
41 Replies
18441 Views |
January 29, 2011, 12:33:03 am by DummyLoad |
|
|
|
|
Help Needed with Bias Voltage
Started by samato |
6 Replies
5607 Views |
January 28, 2011, 11:53:09 pm by tubeswell |
|
|
|
S.E. amps and voltages
Started by rzenc |
7 Replies
5845 Views |
January 28, 2011, 08:22:53 pm by rzenc |
|
|
|
18 Watt PI
Started by jeff |
1 Replies
4034 Views |
January 28, 2011, 06:09:07 am by sluckey |
|
|
|
Fusing for europe
Started by Quatro |
1 Replies
3866 Views |
January 27, 2011, 09:20:05 pm by PRR |
|
|
|
Tweed BluezMeister combo (small)
Started by tubenit |
14 Replies
9511 Views |
January 27, 2011, 08:21:40 pm by drumslinger2000 |
|
|
|
5879SE new issue
Started by firemedic |
6 Replies
5587 Views |
January 27, 2011, 06:41:06 pm by PRR |
|
|
|
Swiches and Switching cathode caps
Started by J Rindt |
14 Replies
8054 Views |
January 27, 2011, 01:47:23 pm by kagliostro |
|
|
|
Princeton Reverb w/ 4 x 6V6
Started by DummyLoad |
5 Replies
6635 Views |
January 27, 2011, 12:02:55 pm by jjasilli |
|
|
|
The Burger King 5-6-7
Started by DummyLoad |
8 Replies
8775 Views |
January 26, 2011, 11:00:50 pm by DummyLoad |
|
|
6 Replies
10258 Views |
January 26, 2011, 10:42:48 pm by DummyLoad |
|
|
|
|
5E3 iron specs
Started by rzenc |
43 Replies
22650 Views |
January 26, 2011, 08:14:15 am by samato |
|
|
|
9 Replies
7807 Views |
January 25, 2011, 07:07:35 pm by Willabe |
|
|
|
|
Has anyone built this tone circuit?
Started by Casey4s |
2 Replies
4222 Views |
January 25, 2011, 01:24:23 pm by PRR |
|
|
|
3 Replies
4857 Views |
January 25, 2011, 01:06:45 pm by PRR |
|
|
|
|
Best way to add 470k in series?
Started by frank57 |
2 Replies
4087 Views |
January 25, 2011, 07:20:01 am by frank57 |
|
|
|
YSR1 Traynor 67-72?
Started by plexi50 |
5 Replies
6215 Views |
January 24, 2011, 10:35:20 am by plexi50 |
|
|
|
8 Replies
6944 Views |
January 24, 2011, 07:08:00 am by guitarhvac |
|
|
|
|
Vox Cambridge "re-build" ideas
Started by nateflanigan |
3 Replies
4574 Views |
January 24, 2011, 01:53:02 am by TIMBO |
|
|
|
Line out with multitap OPT
Started by chuggy |
1 Replies
4477 Views |
January 23, 2011, 05:53:07 pm by JayB |
|
|
|
Univox U-42 Schematic??? FOUND
Started by jjasilli |
1 Replies
5809 Views |
January 23, 2011, 02:21:21 pm by jjasilli |
|
|
|
Jet city amp Problems
Started by frank57 |
12 Replies
11823 Views |
January 23, 2011, 12:25:55 pm by frank57 |
|
|
|
1M Pot + On/Off Switch
Started by J Rindt |
7 Replies
6474 Views |
January 23, 2011, 10:02:25 am by jojokeo |
|
|
|
finished Harmonic Vibe-in-a-box
Started by Danskman |
17 Replies
9023 Views |
January 23, 2011, 08:18:19 am by Danskman |
|
|
|
Rattle in my speakers
Started by 67polara |
8 Replies
6025 Views |
January 23, 2011, 08:13:28 am by nateflanigan |
|
|
|
5879 Princeton build
Started by firemedic |
27 Replies
15367 Views |
January 23, 2011, 12:14:09 am by firemedic |
|
|
|
Adding VVR to fixed bias amps
Started by TIMBO |
8 Replies
10059 Views |
January 23, 2011, 12:12:27 am by jojokeo |
|
|
|
Adding a VVR to 18w amp
Started by TIMBO |
10 Replies
8118 Views |
January 23, 2011, 12:07:37 am by jojokeo |
|
|
|
Bias range.. which resistor ?
Started by worth |
9 Replies
12139 Views |
January 22, 2011, 06:26:14 am by Jack1962 |
|
|
|
PT mA rating
Started by Willabe |
28 Replies
15619 Views |
January 22, 2011, 12:00:48 am by 67polara |
|
|
|
5Ar4 wiring twist
Started by Bub |
2 Replies
4538 Views |
January 21, 2011, 09:11:35 pm by Bub |
|
|
|
can anyone help ac30/6 problems
Started by bakerlite |
6 Replies
6532 Views |
January 21, 2011, 03:34:05 pm by archaos |
|
|
|
6-pin Marshall power switch
Started by firemedic |
3 Replies
5006 Views |
January 21, 2011, 12:12:47 pm by firemedic |
|
|
|
BF Princeton Reverb AA764 ?
Started by Willabe |
3 Replies
5093 Views |
January 21, 2011, 03:31:22 am by tubeswell |
|
|
|
16 Replies
8421 Views |
January 20, 2011, 03:50:23 pm by bluesbear |
|
|
|
|
Touchy volume pot in vibroverb build
Started by Norwatt |
4 Replies
5664 Views |
January 20, 2011, 07:12:11 am by Geezer |
|
|
|
crate vintage club 60 power transformer help
Started by bigj |
7 Replies
11487 Views |
January 20, 2011, 03:41:54 am by mrm0to |
|
|
|
4 Replies
7890 Views |
January 19, 2011, 03:34:45 pm by ernie_jr |
|
|
|
|
Link to the tone stacks
Started by Tone Junkie |
6 Replies
5583 Views |
January 19, 2011, 11:38:48 am by drumslinger2000 |
|
|
|
12 Replies
8251 Views |
January 18, 2011, 07:43:42 pm by moody |
|
|
|
|
Tone stack comparison ?
Started by tubenit |
14 Replies
10141 Views |
January 18, 2011, 01:25:37 pm by jjasilli |
|
|
|
The quality of "old" caps
Started by Geezer |
41 Replies
15869 Views |
January 18, 2011, 12:11:02 pm by sluckey |
|
|
|
New 5C3 Build...
Started by Trevor_Long |
7 Replies
6451 Views |
January 18, 2011, 09:39:28 am by Frankenamp |
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 |