Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 01:57:41 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 01:57:41 am | ||
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25 Replies
11170 Views |
November 26, 2019, 06:26:49 pmby kagliostro |
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AO-43 Conversion schematic needed
Started by shaun |
22 Replies
9497 Views |
November 26, 2019, 04:32:41 pm by jojokeo |
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Voltage Doublers.........
Started by Jack_Hester |
20 Replies
9769 Views |
November 26, 2019, 03:04:05 pm by GEO62 |
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DSL - Master Volume Mod.. Buzz/Hum
Started by diddymix |
11 Replies
4932 Views |
November 26, 2019, 02:10:35 pm by jojokeo |
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'74 Twin Reverb Buzzing
Started by ChubeRules |
3 Replies
2609 Views |
November 26, 2019, 03:47:08 am by pdf64 |
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Hammond AO-44 OT ohm range?
Started by MWaldorf |
4 Replies
2390 Views |
November 25, 2019, 02:04:01 pm by MWaldorf |
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Hoffman 6v6
Started by Rockranger |
11 Replies
4915 Views |
November 25, 2019, 01:09:32 pm by Rockranger |
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Hoffman amps closing the month of December
Started by EL34 |
1 Replies
2389 Views |
November 25, 2019, 06:25:40 am by EL34 |
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Power transformer ratings
Started by Leevi |
3 Replies
2677 Views |
November 25, 2019, 06:00:14 am by kagliostro |
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1 Replies
2367 Views |
November 24, 2019, 02:21:21 pm by sluckey |
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Pro Junior - Hand Wired Mod Difficulty
Started by specialk13 |
12 Replies
6278 Views |
November 24, 2019, 01:58:28 pm by specialk13 |
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Another “quick” grounding question😀
Started by daveyajd |
2 Replies
2063 Views |
November 24, 2019, 12:14:18 pm by daveyajd |
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QQ about possible transformer ring
Started by munkeyboy |
5 Replies
2781 Views |
November 24, 2019, 10:54:35 am by munkeyboy |
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5 Replies
2870 Views |
November 23, 2019, 05:49:53 pm by DummyLoad |
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peavey 6505+ repair need some help
Started by nonoxxx |
13 Replies
4978 Views |
November 23, 2019, 03:22:07 pm by nonoxxx |
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53 Replies
16118 Views |
November 23, 2019, 01:15:38 am by munkeyboy |
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Trouble with new build... Bassman style
Started by Fiat_cc |
15 Replies
5062 Views |
November 21, 2019, 03:52:24 pm by Fiat_cc |
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Hammond marked EL84’s
Started by dude |
22 Replies
6545 Views |
November 21, 2019, 01:56:46 pm by shooter |
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2550x Troubleshooting
Started by joe14vf |
5 Replies
2781 Views |
November 21, 2019, 04:25:58 am by joe14vf |
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JCM800 Cathode Follower and Vhk ratings
Started by ECV02 |
10 Replies
4845 Views |
November 20, 2019, 12:11:31 pm by pdf64 |
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Twin Reverb Distortion
Started by JKRamsey1991 |
4 Replies
2521 Views |
November 20, 2019, 11:38:13 am by pdf64 |
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Heater Considerations for new build
Started by Opry Audio |
23 Replies
5812 Views |
November 20, 2019, 08:28:49 am by shooter |
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6B4G dedicated heater winding...
Started by Greg |
15 Replies
6466 Views |
November 19, 2019, 08:18:32 am by Greg |
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OT Input Impedance Question 5F2A build
Started by AHeck |
12 Replies
5427 Views |
November 18, 2019, 03:10:41 pm by PRR |
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Hoffman AB763 troubles
Started by gheorge77 |
13 Replies
3861 Views |
November 18, 2019, 08:05:58 am by gheorge77 |
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Dr. Z Maz 38 issue
Started by theundeadelvis |
9 Replies
3638 Views |
November 17, 2019, 12:45:18 pm by theundeadelvis |
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Gremlins
Started by fossilshark |
3 Replies
2520 Views |
November 15, 2019, 09:25:40 pm by fossilshark |
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3 Replies
2590 Views |
November 15, 2019, 06:56:22 pm by sluckey |
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EL34 bias way too high
Started by fossilshark |
10 Replies
6407 Views |
November 15, 2019, 04:59:06 pm by tubeswell |
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I was thinking of doing this
Started by Toxophilite |
7 Replies
2888 Views |
November 15, 2019, 08:37:02 am by sluckey |
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Tube Preamp pedal based on Orange Amp
Started by holthausen |
0 Replies
2750 Views |
November 14, 2019, 11:35:38 am by holthausen |
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dean markley t120r
Started by DummyLoad |
0 Replies
2291 Views |
November 14, 2019, 03:51:35 am by DummyLoad |
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Bogen DB110
Started by Toxophilite |
4 Replies
3881 Views |
November 14, 2019, 01:39:56 am by Toxophilite |
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Best components
Started by Cobbler |
16 Replies
5654 Views |
November 13, 2019, 08:54:50 pm by 1blueheron |
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1 Replies
2735 Views |
November 13, 2019, 04:11:32 pm by PRR |
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5 Replies
5076 Views |
November 09, 2019, 11:30:19 pm by PRR |
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Help! Need Sluckeys Lightning build info
Started by daveyajd |
9 Replies
3949 Views |
November 09, 2019, 07:39:42 pm by bmccowan |
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4 Replies
3287 Views |
November 09, 2019, 02:21:34 pm by Opry Audio |
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Choke + Resistor
Started by Leevi |
12 Replies
4572 Views |
November 09, 2019, 11:21:40 am by Leevi |
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Big Problem with AC15C1
Started by rczcustom |
10 Replies
4091 Views |
November 07, 2019, 09:06:50 pm by texwest |
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Distortion/Oscillation
Started by Leevi |
17 Replies
5999 Views |
November 07, 2019, 09:54:56 am by Leevi |
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Question regarding kit build.
Started by charnich74 |
2 Replies
2525 Views |
November 06, 2019, 06:58:02 pm by charnich74 |
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Electrohome Hi Fi Chassis ECL86 SE
Started by Rusty |
2 Replies
2904 Views |
November 06, 2019, 08:44:44 am by Rusty |
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4 Replies
3030 Views |
November 06, 2019, 05:32:12 am by DummyLoad |
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Calculating NFB resistor
Started by TurboGuitarMelton |
7 Replies
6584 Views |
November 05, 2019, 12:19:49 pm by PRR |
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Vox UL715 Transformers
Started by NickS185 |
14 Replies
6269 Views |
November 05, 2019, 07:56:34 am by Willabe |
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Wireless connections inside tube amps
Started by Auke Jolman |
27 Replies
8709 Views |
November 04, 2019, 08:12:12 pm by tubenit |
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JTM45 Build test voltages way off
Started by ndross475 |
13 Replies
4469 Views |
November 04, 2019, 05:16:35 pm by ndross475 |
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32 Replies
14427 Views |
November 04, 2019, 08:32:09 am by seabstudio |
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36 Replies
16514 Views |
November 04, 2019, 08:22:23 am by shooter |
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