Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:49 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:49 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 43 Guests are viewing this board. | ||||
|
|
Bias setting problem
Started by Leevi |
24 Replies
7790 Views |
January 01, 2017, 06:52:36 pmby whoops |
|
|
|
bias vs gain flatness
Started by PRR |
1 Replies
2450 Views |
January 01, 2017, 04:14:20 pm by PRR |
|
|
|
Old Accordion Tube Amp
Started by drumslinger2000 |
21 Replies
6179 Views |
January 01, 2017, 10:06:22 am by drumslinger2000 |
|
|
|
Biasing questions
Started by 12AX7 |
9 Replies
3897 Views |
December 31, 2016, 11:43:59 pm by PRR |
|
|
|
9 Replies
4087 Views |
December 31, 2016, 06:13:42 pm by guitarsan221 |
|
|
|
93 Replies
22138 Views |
December 31, 2016, 02:50:02 pm by Jaymz77 |
|
|
|
|
High gain preamp help
Started by dennyg |
6 Replies
3676 Views |
December 31, 2016, 02:41:52 pm by PRR |
|
|
|
McIntosh MC250
Started by p2pAmps |
15 Replies
9268 Views |
December 31, 2016, 10:12:46 am by p2pAmps |
|
|
|
Erratic Voltage Readings
Started by jaster55 |
1 Replies
2404 Views |
December 30, 2016, 10:31:53 pm by sluckey |
|
|
Revibe Build ala sluckey
Started by Blind Lemon |
30 Replies
8227 Views |
December 30, 2016, 07:18:48 pm by Blind Lemon |
|
|
|
Conjunctive filter info please?
Started by jojokeo |
46 Replies
28443 Views |
December 30, 2016, 06:01:56 pm by BetterOffShred |
|
|
|
4 Replies
4877 Views |
December 30, 2016, 02:35:15 pm by fiftynine |
|
|
|
|
6 Replies
3843 Views |
December 30, 2016, 12:12:41 pm by 3choplex |
|
|
|
|
15 Replies
5605 Views |
December 30, 2016, 11:12:05 am by hesamadman |
|
|
|
|
Sag Resistor
Started by Ambugaton |
5 Replies
6598 Views |
December 29, 2016, 09:07:29 pm by eleventeen |
|
|
|
4 Replies
2898 Views |
December 28, 2016, 10:07:46 pm by Planobilly |
|
|
|
|
Do you think....
Started by 12AX7 |
5 Replies
3545 Views |
December 28, 2016, 12:47:57 am by whoops |
|
|
|
6 Replies
4295 Views |
December 27, 2016, 04:18:39 pm by HotBluePlates |
|
|
|
|
3 Replies
2880 Views |
December 27, 2016, 04:05:36 pm by tubenit |
|
|
|
|
Sunn Model-T/200s Hybrid
Started by BetterOffShred |
20 Replies
9229 Views |
December 27, 2016, 12:11:31 pm by BetterOffShred |
|
|
|
smoking amp on standby
Started by jim |
13 Replies
4843 Views |
December 27, 2016, 12:06:32 pm by jim |
|
|
|
5 Replies
3019 Views |
December 26, 2016, 07:17:47 pm by HotBluePlates |
|
|
|
|
Amp output issue/question
Started by Redfishbum |
2 Replies
2821 Views |
December 26, 2016, 02:47:45 pm by Redfishbum |
|
|
|
5 Replies
3630 Views |
December 26, 2016, 11:15:58 am by Planobilly |
|
|
|
|
1 Replies
2744 Views |
December 26, 2016, 07:27:46 am by sluckey |
|
|
|
|
Diode rectifier for Tube...
Started by Oddvar |
4 Replies
2828 Views |
December 25, 2016, 02:31:07 pm by sluckey |
|
|
|
Tonebox
Started by Sonny ReVerb |
39 Replies
11084 Views |
December 25, 2016, 02:07:18 pm by Zarrir |
|
|
|
1967 Super Reverb Blackface Tranny change?
Started by Oddvar |
5 Replies
3205 Views |
December 24, 2016, 02:55:21 pm by Oddvar |
|
|
|
Initial Bias adjustments
Started by jaster55 |
2 Replies
2988 Views |
December 24, 2016, 07:25:47 am by HotBluePlates |
|
|
|
5 Replies
3356 Views |
December 24, 2016, 05:53:42 am by kagliostro |
|
|
|
|
coupling caps n DC
Started by shooter |
25 Replies
6873 Views |
December 23, 2016, 09:09:20 pm by shooter |
|
|
|
AA864 turret board, which one to use?
Started by mozz |
10 Replies
4692 Views |
December 23, 2016, 08:23:54 pm by EL34 |
|
|
|
5F2A Little to no noise.
Started by makingnoise88 |
11 Replies
4427 Views |
December 23, 2016, 07:44:28 am by makingnoise88 |
|
|
|
17 Replies
8844 Views |
December 22, 2016, 11:57:57 pm by pompeiisneaks |
|
|
|
|
Temporary rectifier swap
Started by dunner84 |
4 Replies
2713 Views |
December 22, 2016, 01:47:44 pm by dunner84 |
|
|
|
6 Replies
3451 Views |
December 22, 2016, 07:55:42 am by goldstache |
|
|
|
|
17 Replies
11157 Views |
December 21, 2016, 05:23:15 pm by Ritchie200 |
|
|
|
|
2 Replies
3679 Views |
December 21, 2016, 12:15:28 pm by BetterOffShred |
|
|
|
|
Photo of the Deluxe Reverb
Started by Planobilly |
9 Replies
3774 Views |
December 21, 2016, 12:30:44 am by TIMBO |
|
|
|
3 Replies
2662 Views |
December 19, 2016, 07:39:53 pm by Planobilly |
|
|
|
|
12 Replies
3390 Views |
December 19, 2016, 07:18:55 pm by shooter |
|
|
|
|
4 Replies
4003 Views |
December 19, 2016, 04:16:01 pm by Ed_Chambley |
|
|
|
|
Voltage drop and compression
Started by Auke Jolman |
23 Replies
5108 Views |
December 18, 2016, 07:26:30 pm by pompeiisneaks |
|
|
|
Is it possible....
Started by 12AX7 |
3 Replies
3167 Views |
December 18, 2016, 04:49:30 pm by 12AX7 |
|
|
|
Power Supply Capacitors
Started by upnorth2 |
2 Replies
2591 Views |
December 18, 2016, 04:09:57 pm by upnorth2 |
|
|
|
peavey 6505+ head
Started by J Rindt |
4 Replies
3677 Views |
December 18, 2016, 08:55:40 am by shooter |
|
|
|
15 Replies
7641 Views |
December 18, 2016, 05:05:05 am by tubenit |
|
|
|
|
Grid Leak Resistors
Started by hesamadman |
7 Replies
12420 Views |
December 17, 2016, 07:01:59 pm by jjasilli |
|
|
|
Melvin Leibowitz EL84 HiFi?
Started by Zarrir |
4 Replies
3837 Views |
December 17, 2016, 01:13:13 pm by jjasilli |
|
|
|
circuit understanding?
Started by shooter |
15 Replies
4069 Views |
December 17, 2016, 08:45:11 am by shooter |
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 |