Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 08:59:39 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 08:59:39 pm | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 60 Guests are viewing this board. | ||||
|
|
6.9 VAC on heaters. Is this OK?
Started by nandrewjackson |
10 Replies
4560 Views |
July 16, 2013, 05:24:58 pmby John |
|
|
|
20 Replies
8503 Views |
July 16, 2013, 11:51:43 am by kagliostro |
|
|
|
|
Bias pot questions.
Started by hesamadman |
4 Replies
2480 Views |
July 16, 2013, 10:32:41 am by Willabe |
|
|
Most useful amp tools on your bench...
Started by TubeGeek |
34 Replies
9937 Views |
July 15, 2013, 11:36:55 pm by mrr3000gt |
|
|
|
31 Replies
8300 Views |
July 15, 2013, 08:00:46 pm by valco |
|
|
|
|
5E11 Bright issue
Started by jukelemon |
5 Replies
2787 Views |
July 15, 2013, 01:02:48 pm by tubeswell |
|
|
|
5F6-A Volume Pots
Started by labb |
2 Replies
2232 Views |
July 14, 2013, 10:46:26 am by labb |
|
|
|
princeton build
Started by 12AX7 |
4 Replies
2410 Views |
July 14, 2013, 12:49:12 am by 12AX7 |
|
|
|
EL34 choke requirement for screens
Started by jojokeo |
3 Replies
2604 Views |
July 13, 2013, 08:08:28 pm by jojokeo |
|
|
|
harp preamp/impedance circuit
Started by phsyconoodler |
12 Replies
3746 Views |
July 13, 2013, 07:10:49 pm by tubeswell |
|
|
|
Fender Twin Reverb Problem
Started by DrResponsible |
5 Replies
3198 Views |
July 13, 2013, 04:30:13 am by stratele52 |
|
|
|
Reducing distortion on Silver Jubilee
Started by TIMBO |
4 Replies
2931 Views |
July 13, 2013, 03:39:00 am by TIMBO |
|
|
|
Help with National Tremo Tone
Started by jukelemon |
10 Replies
4914 Views |
July 12, 2013, 11:50:18 pm by PRR |
|
|
|
1965 Princeton Reverb Trem very weak
Started by jukelemon |
5 Replies
2947 Views |
July 12, 2013, 04:32:25 pm by plexi50 |
|
|
|
11 Replies
4313 Views |
July 12, 2013, 01:07:45 pm by Geezer |
|
|
|
|
10 Replies
6698 Views |
July 11, 2013, 05:03:26 pm by jim |
|
|
|
|
HOW do I make a parametric EQ?
Started by Glennjeff |
15 Replies
5735 Views |
July 11, 2013, 10:58:03 am by Glennjeff |
|
|
|
4 Replies
5318 Views |
July 11, 2013, 04:30:16 am by SoundmasterG |
|
|
|
|
D'Mars ODS EL84 amp
Started by tubenit |
43 Replies
11035 Views |
July 11, 2013, 01:18:19 am by Glennjeff |
|
|
|
Gibson GA45-RVT Saturn PT replacement.
Started by BigE |
4 Replies
3858 Views |
July 10, 2013, 09:56:34 pm by PRR |
|
|
|
Built a Custom Champ for Christmas
Started by SILVERGUN |
19 Replies
7490 Views |
July 10, 2013, 09:06:04 pm by jojokeo |
|
|
|
2 Replies
2114 Views |
July 10, 2013, 10:47:35 am by firemedic |
|
|
|
|
Octal Reverb Preamp
Started by LooseChange |
4 Replies
3179 Views |
July 10, 2013, 04:55:52 am by LooseChange |
|
|
55 Replies
15170 Views |
July 10, 2013, 12:02:06 am by Custom_Amp_30 |
|
|
|
|
Fender Bassman 10 issue
Started by bassisst90 |
3 Replies
2594 Views |
July 09, 2013, 02:57:26 pm by bassisst90 |
|
|
|
5F6-A resistor question
Started by labb |
6 Replies
3202 Views |
July 08, 2013, 11:57:07 pm by PRR |
|
|
|
Function of extra 10k Resistor on the PI
Started by Gary_S |
14 Replies
7566 Views |
July 07, 2013, 11:35:05 pm by PRR |
|
|
|
Gibson Scout Tremolo Distorted
Started by 3choplex |
9 Replies
3722 Views |
July 07, 2013, 11:39:55 am by 3choplex |
|
|
|
6G16 Trem too fast
Started by Sandoz6G16 |
4 Replies
2632 Views |
July 06, 2013, 09:39:46 pm by Sandoz6G16 |
|
|
|
Power tube heater glowing to bright
Started by navdave |
12 Replies
5432 Views |
July 04, 2013, 03:25:34 am by stratele52 |
|
|
MOVED: what amp?
Started by tubenit |
0 Replies
1776 Views |
July 03, 2013, 05:25:03 am by tubenit |
|
|
|
Converted Bassman AB165 to 6G6-B
Started by TubeGeek |
4 Replies
3313 Views |
July 02, 2013, 10:57:07 pm by TubeGeek |
|
|
|
8 Replies
3617 Views |
July 02, 2013, 09:11:53 pm by PRR |
|
|
|
|
Gibson ga 15rvt Tremelo Problems
Started by guyf |
2 Replies
2245 Views |
July 02, 2013, 08:59:36 pm by jjasilli |
|
|
|
JJ 6L6 observation
Started by 12AX7 |
7 Replies
4041 Views |
July 02, 2013, 02:34:22 pm by Ed_Chambley |
|
|
|
Badcat Hotcat Preamp
Started by TIMBO |
10 Replies
5574 Views |
July 02, 2013, 02:13:28 pm by TIMBO |
|
|
|
Silver Jubilee
Started by TIMBO |
6 Replies
2977 Views |
June 30, 2013, 09:38:27 pm by DummyLoad |
|
|
|
5F6-A question
Started by labb |
4 Replies
2637 Views |
June 30, 2013, 01:13:16 am by TIMBO |
|
|
|
6 Replies
3608 Views |
June 29, 2013, 10:14:27 pm by Tone Junkie |
|
|
|
|
Current Flow Through This Rectifier
Started by Gary_S |
9 Replies
4008 Views |
June 29, 2013, 03:51:35 pm by tubeswell |
|
|
|
Battery trick on the heaters
Started by Tone Junkie |
15 Replies
5327 Views |
June 28, 2013, 08:44:33 pm by Tone Junkie |
|
|
|
11 Replies
6013 Views |
June 28, 2013, 03:15:15 pm by eleventeen |
|
|
|
|
valve ratings
Started by neil.dolan |
17 Replies
5459 Views |
June 28, 2013, 02:07:27 pm by neil.dolan |
|
|
|
29 Replies
7455 Views |
June 28, 2013, 07:58:55 am by jjasilli |
|
|
|
|
13 Replies
8709 Views |
June 27, 2013, 10:47:11 am by frank57 |
|
|
|
|
68 Super Reverb in for overhaul
Started by punkykatt |
18 Replies
6876 Views |
June 27, 2013, 06:43:24 am by Ed_Chambley |
|
|
|
2 Replies
2550 Views |
June 26, 2013, 03:03:58 pm by jazbo8 |
|
|
|
|
4 Replies
2675 Views |
June 25, 2013, 06:29:43 pm by plexi50 |
|
|
|
|
Weak sounding Ampeg J12-R
Started by dude |
29 Replies
10092 Views |
June 25, 2013, 11:08:09 am by Glennjeff |
|
|
|
component ID help?
Started by John |
2 Replies
1961 Views |
June 25, 2013, 09:57:25 am by John |
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 |