Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 11:55:04 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 11:55:04 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 67 Guests are viewing this board. | ||||
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swapping out 12ax7 with 5879 in 5e3?
Started by timmyjoe |
3 Replies
5951 Views |
July 21, 2021, 07:05:59 amby kagliostro |
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5E3 Sluckyamps with AO-29 iron
Started by AnalogDok |
9 Replies
6646 Views |
July 20, 2021, 10:06:58 am by AnalogDok |
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Modifying a Bogan CHB-20 for guitar
Started by AmberB |
17 Replies
7278 Views |
July 20, 2021, 09:04:04 am by Willabe |
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4 Replies
4457 Views |
July 20, 2021, 08:12:21 am by luthierwnc |
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Reverb driver/recovery
Started by Leevi |
10 Replies
7883 Views |
July 20, 2021, 05:24:38 am by Leevi |
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NFB resistor value
Started by acheld |
3 Replies
5700 Views |
July 19, 2021, 09:34:21 pm by acheld |
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8 Replies
5640 Views |
July 19, 2021, 08:28:59 pm by Sonny ReVerb |
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Princeton Reverb AA1164 Tremolo problem
Started by AnalogDok |
10 Replies
7266 Views |
July 19, 2021, 12:29:55 pm by AnalogDok |
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My first schematic
Started by Stuff4bikes |
6 Replies
4447 Views |
July 19, 2021, 11:46:32 am by sluckey |
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Edcor Iron
Started by Blueboozer |
12 Replies
6196 Views |
July 18, 2021, 09:49:56 pm by PRR |
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9 Replies
5225 Views |
July 18, 2021, 06:58:56 pm by Rp3703 |
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Odd Little Sharon Amp for interests sake
Started by chee16 |
4 Replies
4744 Views |
July 18, 2021, 10:46:09 am by chee16 |
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7 Replies
5247 Views |
July 17, 2021, 07:38:20 pm by Rp3703 |
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13 Replies
6732 Views |
July 16, 2021, 07:42:42 pm by tubeswell |
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p2p Bad-Dawg off the bench
Started by p2pAmps |
16 Replies
8076 Views |
July 16, 2021, 07:31:58 pm by tubeswell |
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Stiff transformer wire insulation....
Started by Stuff4bikes |
3 Replies
4005 Views |
July 16, 2021, 09:33:28 am by Stuff4bikes |
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2 Replies
4543 Views |
July 16, 2021, 08:03:07 am by Sesh |
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Bandmaster AD1269 "Restore to new"?
Started by JustMike |
9 Replies
5828 Views |
July 15, 2021, 07:59:57 pm by JustMike |
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3 Replies
4311 Views |
July 15, 2021, 09:32:21 am by tubeswell |
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2 Replies
4300 Views |
July 14, 2021, 02:35:57 pm by Sansteeth |
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5e3 output transformer hum
Started by gerry113377 |
20 Replies
8863 Views |
July 13, 2021, 10:01:50 pm by gerry113377 |
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Tremolux 5G9 adjustable bias w/HV tap
Started by Diverted |
16 Replies
7482 Views |
July 13, 2021, 08:37:13 pm by Diverted |
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I built the Bluezmeister Sort of..
Started by JustMike |
12 Replies
6567 Views |
July 13, 2021, 12:08:07 pm by JustMike |
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6 Replies
4952 Views |
July 12, 2021, 01:48:42 pm by dram56 |
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Hiwatt DR504OL circuit question
Started by Leevi |
3 Replies
4735 Views |
July 12, 2021, 10:10:24 am by CascoSieg |
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Single triode for phase invertor?
Started by Stuff4bikes |
8 Replies
6132 Views |
July 12, 2021, 02:01:44 am by tubeswell |
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Princeton Reverb
Started by Big chief |
29 Replies
8788 Views |
July 11, 2021, 08:02:49 pm by sluckey |
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7 Replies
5832 Views |
July 11, 2021, 06:46:41 pm by luthierwnc |
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6G16 Mojo Build - Ground Switch Question
Started by waldner |
3 Replies
4797 Views |
July 10, 2021, 05:51:41 pm by Medley |
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footswitch for DC relay supply?
Started by luthierwnc |
0 Replies
5147 Views |
July 10, 2021, 12:59:02 pm by luthierwnc |
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Coupling capacitors in series?
Started by zircontweezer |
7 Replies
5936 Views |
July 10, 2021, 12:00:32 pm by thetragichero |
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Vvr mosfet
Started by Bieworm |
12 Replies
6726 Views |
July 10, 2021, 09:24:12 am by vibrolax |
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16 Replies
9435 Views |
July 09, 2021, 11:23:35 pm by BrainDeadAmps |
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Bassman 135 Mods ?Purpose
Started by jrc111 |
21 Replies
8921 Views |
July 09, 2021, 08:17:46 pm by jrc111 |
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6G6 Bassman - Is my transformer dead?
Started by plumcrazyfx |
10 Replies
5644 Views |
July 09, 2021, 03:02:28 pm by plumcrazyfx |
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5E1 vs. 5F1
Started by Leevi |
11 Replies
11351 Views |
July 08, 2021, 02:33:34 pm by Tomahawk |
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Bartell/hohner amp, bias question
Started by Stuff4bikes |
8 Replies
5796 Views |
July 08, 2021, 11:50:22 am by PRR |
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Understanding transformer requirements
Started by Tomahawk |
29 Replies
10642 Views |
July 07, 2021, 08:50:18 pm by PRR |
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B+ Quandary
Started by Dr Tony Balls |
5 Replies
5166 Views |
July 07, 2021, 11:36:22 am by PRR |
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Dual Single-Ended TBM 5881
Started by CascoSieg |
12 Replies
6662 Views |
July 07, 2021, 09:29:35 am by CascoSieg |
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3 Replies
3876 Views |
July 07, 2021, 08:38:21 am by acheld |
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16 Replies
6702 Views |
July 06, 2021, 09:39:19 pm by K Teacher |
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Cheap nos tubes
Started by clayman |
7 Replies
5650 Views |
July 06, 2021, 07:40:11 am by Latole |
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How many of you think Aiken is credible?
Started by Mike_J |
13 Replies
9291 Views |
July 06, 2021, 06:24:04 am by walkman |
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3 Replies
4335 Views |
July 05, 2021, 05:34:04 pm by Willabe |
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B52 AT100 coming in
Started by shooter |
11 Replies
6097 Views |
July 05, 2021, 05:31:39 pm by Willabe |
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Blues Jr unbalanced bias
Started by jordan86 |
24 Replies
9202 Views |
July 05, 2021, 01:54:19 pm by PRR |
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Beltone Tremolo Depth?
Started by kerobit |
2 Replies
3946 Views |
July 04, 2021, 01:49:36 pm by kerobit |
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Power Tube/Output Transformer Hum?
Started by kerobit |
3 Replies
4666 Views |
July 03, 2021, 12:04:50 pm by kerobit |
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3 Replies
3957 Views |
July 03, 2021, 09:42:35 am by steveo7868 |
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