Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 05:30:50 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 05:30:50 am | ||
| Subject / Started by | Replies / Views | Last post  |
||
|---|---|---|---|---|
| 0 Members and 31 Guests are viewing this board. | ||||
|
|
Dead Channel: 1960 5G5 Pro Amp
Started by centervolume |
4 Replies
2264 Views |
May 15, 2019, 03:22:41 pmby centervolume |
|
|
145 Replies
33269 Views |
May 14, 2019, 08:20:21 pm by shooter |
|
|
|
|
Need help with repair
Started by Bogeytomd |
16 Replies
4138 Views |
May 14, 2019, 07:03:39 pm by shooter |
|
|
|
Lowest wattage PP pentode power amp
Started by Heph333 |
11 Replies
6572 Views |
May 13, 2019, 01:45:05 pm by kagliostro |
|
|
|
Finding OT impedance
Started by dude |
18 Replies
7494 Views |
May 13, 2019, 12:11:48 pm by ALBATROS1234 |
|
|
|
Wierd Fender Champ II issue
Started by reggiepe |
5 Replies
2316 Views |
May 13, 2019, 12:46:51 am by st |
|
|
|
Need to add a Line Out
Started by Joe6v6 |
6 Replies
2756 Views |
May 12, 2019, 04:59:40 pm by 2deaf |
|
|
|
1 Replies
1621 Views |
May 12, 2019, 03:24:29 pm by PRR |
|
|
|
|
JCM800 / Plexi clone idea
Started by walkman |
1 Replies
1726 Views |
May 12, 2019, 09:51:18 am by tubenit |
|
|
DoubleCavers5.3
Started by shooter |
26 Replies
7817 Views |
May 11, 2019, 07:08:50 pm by shooter |
|
|
|
What fuse in Bandmaster 230v?
Started by Oddvar |
4 Replies
2024 Views |
May 11, 2019, 01:57:53 pm by pdf64 |
|
|
|
Fender dating
Started by shooter |
8 Replies
3208 Views |
May 11, 2019, 11:16:57 am by shooter |
|
|
|
Vibro Champ Issues
Started by TurboGuitarMelton |
8 Replies
4242 Views |
May 10, 2019, 08:42:03 am by jjasilli |
|
|
|
9 Replies
4308 Views |
May 09, 2019, 05:53:09 pm by silverfox |
|
|
|
|
6550 Vibro Champ?
Started by Ludfistersound |
6 Replies
2610 Views |
May 09, 2019, 05:39:14 pm by jjasilli |
|
|
|
Transformer Recommendation
Started by shark38j |
4 Replies
2447 Views |
May 09, 2019, 02:07:48 pm by PRR |
|
|
|
New amp
Started by davidwpack |
32 Replies
7722 Views |
May 09, 2019, 12:37:58 pm by davidwpack |
|
|
|
12 Replies
4123 Views |
May 08, 2019, 04:25:01 pm by shooter |
|
|
|
|
6CJ6 and 6DL5 PP revisited
Started by murrayatuptown |
7 Replies
4092 Views |
May 08, 2019, 04:10:56 pm by murrayatuptown |
|
|
|
B15N to ~100W output?
Started by afinitemind |
38 Replies
10812 Views |
May 08, 2019, 03:32:57 pm by kagliostro |
|
|
|
Questions on channel switching
Started by NSB_Chris |
15 Replies
6184 Views |
May 08, 2019, 10:37:38 am by NSB_Chris |
|
|
|
Vintage iron for AC-30 clone?
Started by MWaldorf |
2 Replies
2215 Views |
May 08, 2019, 01:00:34 am by MWaldorf |
|
|
|
Hammond AO43 chassis
Started by dude |
3 Replies
2058 Views |
May 06, 2019, 08:24:06 pm by PRR |
|
|
|
Silvertone 1481 mods
Started by galaxiex |
22 Replies
7963 Views |
May 06, 2019, 08:13:57 pm by galaxiex |
|
|
|
Fowler's Hot Rod Plexi #39
Started by purpletele « 1 2 » |
51 Replies
14903 Views |
May 06, 2019, 07:24:20 pm by purpletele |
|
|
|
Power Amp 40-50 Watts with 4 5881s
Started by mwelch55 |
3 Replies
2191 Views |
May 06, 2019, 05:31:53 pm by jjasilli |
|
|
|
59 Replies
22377 Views |
May 06, 2019, 10:19:00 am by sluckey |
|
|
|
|
Using proper choke
Started by dude |
10 Replies
4345 Views |
May 06, 2019, 10:01:38 am by DummyLoad |
|
|
|
Filter caps wiring Bandmaster
Started by Oddvar |
2 Replies
1943 Views |
May 05, 2019, 10:54:24 am by Tony Bones |
|
|
|
headphone out for tube amp
Started by Papa Jim |
6 Replies
4349 Views |
May 05, 2019, 08:49:45 am by MFowler |
|
|
|
9 Replies
2989 Views |
May 04, 2019, 04:39:07 am by John |
|
|
|
|
63 Replies
15123 Views |
May 03, 2019, 09:25:08 am by shooter |
|
|
|
|
1 Replies
1588 Views |
May 02, 2019, 11:24:56 am by shooter |
|
|
|
|
Stromberg Carlson build- low volume
Started by zapdog |
13 Replies
3701 Views |
May 01, 2019, 08:23:31 pm by zapdog |
|
|
|
Plexi 6V6 build
Started by newguitarsmell |
11 Replies
4179 Views |
May 01, 2019, 07:02:09 pm by Colas LeGrippa |
|
|
|
A few pics of my "Deluxe Lite" Build
Started by Joe6v6 |
2 Replies
2310 Views |
April 30, 2019, 09:17:55 pm by Papa Jim |
|
|
|
Bright Cap on Tone King MkII Imperial?
Started by BobL |
16 Replies
6514 Views |
April 30, 2019, 07:14:27 pm by VMS |
|
|
|
Twisted idea for Standby Switch?
Started by sluckey |
28 Replies
8185 Views |
April 30, 2019, 09:23:02 am by shooter |
|
|
|
Vibro Champ with harmonic tremolo?
Started by Opry Audio |
15 Replies
5573 Views |
April 30, 2019, 06:25:42 am by kagliostro |
|
|
|
reverb into sound card
Started by isaac_teller |
4 Replies
2221 Views |
April 29, 2019, 11:54:52 pm by isaac_teller |
|
|
|
NFB circuit 5F6A vs JTM45
Started by vampwizzard |
4 Replies
2910 Views |
April 29, 2019, 08:48:09 pm by vampwizzard |
|
|
|
1 Replies
1975 Views |
April 29, 2019, 02:43:10 pm by st |
|
|
|
|
14 Replies
5418 Views |
April 29, 2019, 12:26:51 pm by Tbone55 |
|
|
|
|
Switching on OT input impedance
Started by daveyajd |
5 Replies
2878 Views |
April 28, 2019, 05:18:26 pm by daveyajd |
|
|
|
3 Replies
2403 Views |
April 28, 2019, 08:31:29 am by cboysen |
|
|
|
|
Smal Mil spec SE OT - one question
Started by kagliostro |
6 Replies
2929 Views |
April 28, 2019, 06:46:29 am by kagliostro |
|
|
|
4 Replies
2015 Views |
April 27, 2019, 03:37:52 pm by Tbone55 |
|
|
|
|
8uf vs 10 uf 450v in amp build?
Started by Oddvar |
15 Replies
5238 Views |
April 26, 2019, 03:06:46 pm by shooter |
|
|
|
What is this?
Started by Oddvar |
4 Replies
1928 Views |
April 26, 2019, 10:00:35 am by sluckey |
|
|
|
Some questions about the GU-17
Started by ECV02 |
12 Replies
5661 Views |
April 25, 2019, 03:36:50 pm by kagliostro |
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 |