Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:17:05 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:17:05 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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Dr. Z Maz 38 issue
Started by theundeadelvis |
9 Replies
3379 Views |
November 17, 2019, 12:45:18 pmby theundeadelvis |
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Gremlins
Started by fossilshark |
3 Replies
2204 Views |
November 15, 2019, 09:25:40 pm by fossilshark |
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3 Replies
2275 Views |
November 15, 2019, 06:56:22 pm by sluckey |
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EL34 bias way too high
Started by fossilshark |
10 Replies
5944 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
2586 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
2406 Views |
November 14, 2019, 11:35:38 am by holthausen |
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dean markley t120r
Started by DummyLoad |
0 Replies
1980 Views |
November 14, 2019, 03:51:35 am by DummyLoad |
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Bogen DB110
Started by Toxophilite |
4 Replies
3622 Views |
November 14, 2019, 01:39:56 am by Toxophilite |
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Best components
Started by Cobbler |
16 Replies
5076 Views |
November 13, 2019, 08:54:50 pm by 1blueheron |
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1 Replies
2422 Views |
November 13, 2019, 04:11:32 pm by PRR |
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5 Replies
4783 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
3501 Views |
November 09, 2019, 07:39:42 pm by bmccowan |
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4 Replies
2975 Views |
November 09, 2019, 02:21:34 pm by Opry Audio |
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Choke + Resistor
Started by Leevi |
12 Replies
4105 Views |
November 09, 2019, 11:21:40 am by Leevi |
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Big Problem with AC15C1
Started by rczcustom |
10 Replies
3574 Views |
November 07, 2019, 09:06:50 pm by texwest |
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Distortion/Oscillation
Started by Leevi |
17 Replies
5441 Views |
November 07, 2019, 09:54:56 am by Leevi |
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Question regarding kit build.
Started by charnich74 |
2 Replies
2174 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
2527 Views |
November 06, 2019, 08:44:44 am by Rusty |
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4 Replies
2609 Views |
November 06, 2019, 05:32:12 am by DummyLoad |
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Calculating NFB resistor
Started by TurboGuitarMelton |
7 Replies
6101 Views |
November 05, 2019, 12:19:49 pm by PRR |
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Vox UL715 Transformers
Started by NickS185 |
14 Replies
5657 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
8001 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
4021 Views |
November 04, 2019, 05:16:35 pm by ndross475 |
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32 Replies
13439 Views |
November 04, 2019, 08:32:09 am by seabstudio |
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36 Replies
15532 Views |
November 04, 2019, 08:22:23 am by shooter |
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SE EL34 with reverb
Started by Electricmonkey |
4 Replies
2940 Views |
November 04, 2019, 05:25:26 am by DummyLoad |
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18 watt OT good or bad
Started by dude |
1 Replies
2037 Views |
November 03, 2019, 02:31:35 pm by labb |
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Revibe voltages
Started by Diverted |
4 Replies
2304 Views |
November 02, 2019, 08:54:16 pm by sluckey |
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Princeton reverb build
Started by rutledj |
11 Replies
4461 Views |
November 02, 2019, 08:42:03 pm by choosebronze |
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Opinions on my electrolytic layout?
Started by Diverted |
8 Replies
3643 Views |
November 02, 2019, 07:37:32 pm by Mike_J |
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Vibro champ style tremelo issues
Started by Toxophilite |
3 Replies
1850 Views |
November 02, 2019, 03:46:33 pm by shooter |
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Peavey Delta Blues Rebuild/Plexi Preamp
Started by wtk0315 |
13 Replies
3697 Views |
November 02, 2019, 02:00:21 pm by wtk0315 |
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Carvin nomad 30watt el84 450VDC
Started by nandrewjackson |
7 Replies
3306 Views |
November 02, 2019, 02:06:59 am by nandrewjackson |
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Capacitor Voltages
Started by Sine_wave_surfer |
3 Replies
2109 Views |
November 02, 2019, 01:17:36 am by sluckey |
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More dual secondary questions...
Started by 1blueheron |
6 Replies
3009 Views |
November 01, 2019, 09:01:56 pm by 1blueheron |
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Speaker resonance
Started by Leevi |
6 Replies
4302 Views |
November 01, 2019, 08:32:35 pm by Ritchie200 |
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Bias issue, 85W AB763 build
Started by Diverted |
11 Replies
5181 Views |
November 01, 2019, 08:51:58 am by sluckey |
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12V Heater Question
Started by offabit2001 |
5 Replies
2496 Views |
October 31, 2019, 08:23:16 pm by glass54 |
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Peavey Classic 30 Rebuild Cont.
Started by Opry Audio |
37 Replies
10090 Views |
October 31, 2019, 08:08:03 am by Willabe |
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14 Replies
6327 Views |
October 30, 2019, 09:56:34 pm by RiffRaff |
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5 Replies
2487 Views |
October 30, 2019, 02:35:21 pm by Diverted |
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38 Replies
8091 Views |
October 30, 2019, 12:04:58 pm by Williamblake |
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6 Replies
3158 Views |
October 30, 2019, 08:53:13 am by BrianS |
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18 Replies
7252 Views |
October 29, 2019, 05:46:28 pm by PRR |
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5E3 Power Tube Voltages vs Convention
Started by AHeck |
32 Replies
8190 Views |
October 28, 2019, 02:16:28 pm by texwest |
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Pentode LED bias + screen grid divider
Started by blackcorvo |
22 Replies
8264 Views |
October 28, 2019, 02:30:37 am by blackcorvo |
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0 Replies
1926 Views |
October 26, 2019, 01:26:59 am by glass54 |
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Multiple center taps?
Started by 1blueheron |
4 Replies
2851 Views |
October 25, 2019, 10:15:31 pm by 1blueheron |
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EL34 screen grid voltage regulator
Started by nexy_sm |
14 Replies
9611 Views |
October 25, 2019, 04:44:09 pm by DummyLoad |
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Vox AC15 FX LOOP
Started by rczcustom |
3 Replies
3683 Views |
October 22, 2019, 10:28:08 pm by PRR |
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