Welcome To the Hoffman Amplifiers Forum
March 10, 2026, 07:25:02 pm
Welcome To the Hoffman Amplifiers ForumMarch 10, 2026, 07:25:02 pm | ||
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Hoffman Stout TMB Hum Issue
Started by coltojt |
8 Replies
4408 Views |
September 27, 2025, 12:07:51 amby tubeswell |
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3 Replies
3065 Views |
September 26, 2025, 12:36:20 pm by LoudonMiller |
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Reverb issues on princeton build
Started by rutledj |
39 Replies
11170 Views |
September 24, 2025, 07:10:40 pm by rutledj |
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30 Replies
8831 Views |
September 24, 2025, 02:02:37 pm by pbman1953 |
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Bass PreAmp
Started by tubenit |
35 Replies
17568 Views |
September 24, 2025, 12:35:14 pm by tubenit |
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Alamo Capri 2360 Model 1960-1 & Schematic
Started by plexi50 |
9 Replies
5320 Views |
September 22, 2025, 08:03:50 am by plexi50 |
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14 Replies
10254 Views |
September 22, 2025, 07:34:48 am by passaloutre |
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Crossover distortion on vibrato
Started by Axtman |
2 Replies
3329 Views |
September 19, 2025, 10:04:18 pm by stratomaster |
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Cordovox Conversion
Started by scstill |
15 Replies
6582 Views |
September 19, 2025, 05:21:01 pm by scstill |
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Remove vibrato (tremolo) on Normal Channel
Started by Axtman |
4 Replies
2859 Views |
September 19, 2025, 12:03:10 pm by Axtman |
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4 Replies
2878 Views |
September 18, 2025, 09:54:19 am by Lectroid |
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1992 peavy mark vi bass amp repair
Started by Snake5150 |
6 Replies
3372 Views |
September 17, 2025, 11:14:01 pm by glass54 |
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Classic 50 volume reduction
Started by proaudioguy |
3 Replies
2974 Views |
September 17, 2025, 08:15:19 pm by DeepBias |
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Kagliostro low cut switch
Started by Jonas |
3 Replies
2989 Views |
September 16, 2025, 04:03:09 pm by Jonas |
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Inductor EQ
Started by hylaphone |
10 Replies
4728 Views |
September 16, 2025, 01:59:10 pm by hylaphone |
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13 Replies
4671 Views |
September 16, 2025, 12:09:23 pm by HotBluePlates |
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School me on triode-strapped pentodes
Started by jacobarber |
11 Replies
4476 Views |
September 15, 2025, 02:20:05 pm by jacobarber |
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Fender Silverface Front Panel
Started by jy67 |
1 Replies
2415 Views |
September 15, 2025, 09:31:50 am by dogburn |
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No bias Raw voltage.
Started by TonyM |
5 Replies
3086 Views |
September 15, 2025, 04:55:24 am by Merlin |
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What Is this circuit ???
Started by kagliostro |
3 Replies
2285 Views |
September 15, 2025, 12:58:25 am by kagliostro |
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1953 pro amp 5C5 circuit
Started by centervolume |
9 Replies
4180 Views |
September 14, 2025, 06:52:54 pm by HotBluePlates |
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zener diode voltage drop
Started by tubenit |
4 Replies
1952 Views |
September 14, 2025, 04:01:22 pm by kagliostro |
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Troubleshooting a new build amp
Started by Wardy |
13 Replies
3975 Views |
September 14, 2025, 01:27:45 pm by Wardy |
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Need opinions on the Stout w/Reverb
Started by sjcasas |
45 Replies
11231 Views |
September 13, 2025, 08:45:46 pm by dogburn |
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7 Replies
3015 Views |
September 13, 2025, 01:34:01 pm by Graydigger |
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Deluxe 5E3 tone stack
Started by Lectroid |
15 Replies
4648 Views |
September 13, 2025, 12:29:59 pm by Lectroid |
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Sovtek MG50H
Started by Ampman33 |
4 Replies
2182 Views |
September 13, 2025, 12:01:22 pm by Ampman33 |
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22 Replies
4967 Views |
September 12, 2025, 02:13:18 pm by Trenchard_UK |
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7 Replies
2702 Views |
September 12, 2025, 12:20:54 pm by Bash |
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Switching cap across plate resistor
Started by Sonny ReVerb |
2 Replies
2956 Views |
September 12, 2025, 06:58:43 am by Sonny ReVerb |
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4 Replies
2123 Views |
September 11, 2025, 05:06:09 pm by mxrshiver |
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4 Replies
2120 Views |
September 10, 2025, 06:13:05 am by kagliostro |
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48 Replies
12380 Views |
September 10, 2025, 04:12:11 am by tubeswell |
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4 Replies
1880 Views |
September 09, 2025, 11:36:10 am by wsscott |
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one-tube-reverbers
Started by Bieworm |
2 Replies
2524 Views |
September 09, 2025, 04:57:07 am by tubenit |
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5 Replies
2450 Views |
September 07, 2025, 01:54:48 pm by Lectroid |
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5879 tube data sheet question
Started by tubenit |
5 Replies
2764 Views |
September 06, 2025, 12:31:01 pm by DummyLoad |
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192 Replies
35690 Views |
September 05, 2025, 02:58:10 pm by wsscott |
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Bias Wiggle Tremolo with 7591?
Started by dwinstonwood |
4 Replies
1923 Views |
September 04, 2025, 12:49:55 pm by dwinstonwood |
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Hiwatt DR103 FX loop
Started by SoundCity85 |
37 Replies
16662 Views |
September 03, 2025, 03:43:24 pm by wavley |
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3 Replies
2060 Views |
September 03, 2025, 11:35:42 am by Bieworm |
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25 Replies
5371 Views |
September 02, 2025, 06:20:08 am by Merlin |
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Reverb Tone Shifting with Dwell knob
Started by Lectroid |
14 Replies
4071 Views |
September 01, 2025, 02:48:23 pm by stratomaster |
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Hum in 5E3
Started by FREYES_7 |
11 Replies
3218 Views |
September 01, 2025, 02:33:58 pm by mresistor |
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Pre-Amp Anode Voltage Ibanez Thermion
Started by philschl |
3 Replies
1685 Views |
September 01, 2025, 06:14:17 am by philschl |
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63 Replies
17200 Views |
September 01, 2025, 01:52:26 am by Avraxas |
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19 Replies
3286 Views |
September 01, 2025, 01:25:45 am by Grantorino |
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What is this, a local NFB ??
Started by kagliostro |
4 Replies
1473 Views |
August 31, 2025, 10:40:26 am by kagliostro |
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18 Replies
3771 Views |
August 30, 2025, 08:26:31 pm by TIMBO |
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Resistor identification
Started by 1Ab |
21 Replies
4493 Views |
August 30, 2025, 01:30:46 pm by 1Ab |
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