Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 07:59:23 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:59:23 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| Joel and 48 Guests are viewing this board. | ||||
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heater elevation not working
Started by mxrshiver |
9 Replies
3725 Views |
June 13, 2023, 04:18:09 pmby sluckey |
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Series heaters amp question
Started by AmberB |
28 Replies
7144 Views |
June 13, 2023, 02:15:06 pm by AmberB |
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6G6B Treble Potentiometer Question
Started by 72Blazer |
10 Replies
4126 Views |
June 13, 2023, 12:37:47 pm by tubeswell |
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SUNN Sorado Project
Started by AHeck |
10 Replies
4030 Views |
June 13, 2023, 08:47:25 am by kagliostro |
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23 Replies
6699 Views |
June 12, 2023, 01:40:05 pm by plexi50 |
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What kind of tube sockets are these?
Started by pullshocks |
23 Replies
6263 Views |
June 12, 2023, 02:52:57 am by TIMBO |
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AX84 P1-triode mode
Started by isaac_teller |
11 Replies
3971 Views |
June 11, 2023, 03:29:31 pm by PRR |
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Best Octal Socket for KT120
Started by cfortner |
1 Replies
2074 Views |
June 11, 2023, 02:58:01 pm by kagliostro |
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25 Replies
7765 Views |
June 10, 2023, 08:47:17 pm by tubenit |
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Oddball Amp by an Oddball Hacker.
Started by DummyLoad |
13 Replies
4739 Views |
June 10, 2023, 08:19:09 pm by AmberB |
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9 Replies
3570 Views |
June 10, 2023, 08:11:26 pm by sluckey |
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Is this a Real Fender Bassman?
Started by Platefire |
38 Replies
8333 Views |
June 10, 2023, 10:35:27 am by Platefire |
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Dividohm Resistors
Started by passaloutre |
1 Replies
2309 Views |
June 10, 2023, 12:43:37 am by PRR |
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Vintage Power Transformers
Started by HotBluePlates |
6 Replies
6183 Views |
June 09, 2023, 09:29:00 pm by trobbins |
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quick dc heater question
Started by fossilshark |
8 Replies
3210 Views |
June 08, 2023, 01:13:03 am by kagliostro |
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Wendigo preamp noise
Started by fossilshark |
16 Replies
4942 Views |
June 07, 2023, 06:04:31 pm by PRR |
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Phase inverter with EF86
Started by Leevi |
10 Replies
3447 Views |
June 07, 2023, 12:52:05 pm by isaac_teller |
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B15- change or leave parts
Started by pbman1953 |
48 Replies
9863 Views |
June 07, 2023, 11:17:34 am by pbman1953 |
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28 Replies
6382 Views |
June 07, 2023, 11:01:27 am by Diverted |
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43 Replies
10497 Views |
June 06, 2023, 10:01:16 pm by Champ_49 |
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isolate the ground?
Started by joesatch |
25 Replies
7159 Views |
June 06, 2023, 11:23:03 am by Williamblake |
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Split Cathodes
Started by shaun |
14 Replies
4631 Views |
June 05, 2023, 11:15:32 pm by shaun |
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DC heaters and LED pilot light
Started by fossilshark |
1 Replies
2209 Views |
June 05, 2023, 07:32:16 pm by sluckey |
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Name the component
Started by Lectroid |
10 Replies
4169 Views |
June 05, 2023, 09:58:53 am by Lectroid |
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Good tube-amp-oriented podcast
Started by Lectroid |
1 Replies
2701 Views |
June 04, 2023, 08:35:53 pm by passaloutre |
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small chassis layout
Started by joesatch |
8 Replies
3628 Views |
June 04, 2023, 07:15:03 pm by sluckey |
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smaller AB761
Started by Beezerboy |
10 Replies
4225 Views |
June 04, 2023, 12:56:17 pm by Beezerboy |
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0 Replies
1965 Views |
June 04, 2023, 09:42:08 am by marshallguy |
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KT90EH biasing discrepancy
Started by marshallguy |
5 Replies
3233 Views |
June 04, 2023, 08:46:48 am by marshallguy |
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Marshall DSL 20R
Started by luthiernc |
0 Replies
2270 Views |
June 03, 2023, 06:05:45 am by luthiernc |
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13 Replies
4284 Views |
June 02, 2023, 02:00:46 pm by PRR |
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Parallel triode Rg values
Started by Esquirefreak |
3 Replies
2448 Views |
June 01, 2023, 01:42:27 pm by Esquirefreak |
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8 Replies
4444 Views |
June 01, 2023, 12:51:18 pm by tubeswell |
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Vox AC-15 Vibrato channel low volume
Started by sluckey |
8 Replies
4128 Views |
May 31, 2023, 10:31:13 pm by sluckey |
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8 Replies
3751 Views |
May 31, 2023, 04:59:27 pm by fossilshark |
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Bias Calculations for Cathode bias??
Started by Jalmeida |
10 Replies
4570 Views |
May 31, 2023, 11:02:58 am by Lectroid |
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30ish watt bass amp
Started by Beezerboy |
16 Replies
4911 Views |
May 30, 2023, 08:19:17 am by Lectroid |
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28 Replies
6789 Views |
May 29, 2023, 06:04:07 pm by jeff |
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11 Replies
3652 Views |
May 29, 2023, 04:27:27 pm by mresistor |
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11 Replies
3887 Views |
May 29, 2023, 12:54:43 pm by dude |
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Gretsch Playboy 6156T No Schematic Found
Started by plexi50 |
12 Replies
4334 Views |
May 29, 2023, 11:07:44 am by plexi50 |
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pre-made fwb rectifiers
Started by joesatch |
11 Replies
3986 Views |
May 29, 2023, 10:28:40 am by thetragichero |
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5 Replies
3257 Views |
May 28, 2023, 04:06:11 pm by Porpoise Head |
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1964 Vibroverb
Started by Rockranger |
9 Replies
3785 Views |
May 28, 2023, 12:39:32 pm by Rockranger |
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Effects Loop Questions
Started by Rontone |
6 Replies
3981 Views |
May 28, 2023, 11:48:55 am by Rontone |
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Nolan 50w Multi Purpose Amp Repair
Started by Rontone |
7 Replies
3966 Views |
May 28, 2023, 09:40:00 am by Rontone |
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Traynor YVM-1 much needed repair
Started by fossilshark |
11 Replies
4182 Views |
May 28, 2023, 09:15:08 am by sluckey |
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13 Replies
4761 Views |
May 27, 2023, 06:27:19 am by p2pAmps |
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8 Replies
3819 Views |
May 26, 2023, 01:40:21 pm by tdvt |
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Primary voltage readings
Started by TF2112 |
6 Replies
2984 Views |
May 26, 2023, 11:37:55 am by TF2112 |
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