Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 09:55:33 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 09:55:33 pm | ||
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| 0 Members and 53 Guests are viewing this board. | ||||
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2 Replies
2914 Views |
January 29, 2022, 06:43:37 pmby PharmRock |
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Webster PA amps with Dynamotor
Started by bmccowan |
8 Replies
3318 Views |
January 29, 2022, 03:15:14 pm by PRR |
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Plexi 6V6 With Bootstrap
Started by MiniVanMan |
5 Replies
3013 Views |
January 29, 2022, 02:02:03 pm by pdf64 |
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Neil Young Whizzer Servicing
Started by RadioComm |
0 Replies
2724 Views |
January 29, 2022, 05:25:47 am by RadioComm |
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37 Replies
9986 Views |
January 28, 2022, 05:54:02 pm by Willabe |
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23 Replies
5203 Views |
January 28, 2022, 04:53:16 pm by TurboGuitarMelton |
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5 Replies
3924 Views |
January 28, 2022, 04:38:21 pm by jordan86 |
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Filter capacitors a few questions
Started by Johnnydoright |
3 Replies
2549 Views |
January 28, 2022, 03:34:11 pm by PRR |
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Filament transformer advice needed
Started by jackplug1 |
3 Replies
2610 Views |
January 28, 2022, 02:42:52 pm by jackplug1 |
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Fender Vibratone & Leslie 16 crossover
Started by osing |
1 Replies
4645 Views |
January 28, 2022, 10:44:52 am by osing |
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100 iron in 50 watt build?
Started by joesatch |
5 Replies
2752 Views |
January 28, 2022, 09:18:16 am by shooter |
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Faraday cage on chassis open ends?
Started by PharmRock |
7 Replies
3398 Views |
January 28, 2022, 07:53:54 am by PharmRock |
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EF86 vibroverb
Started by valvetones |
13 Replies
4302 Views |
January 27, 2022, 10:42:08 pm by valvetones |
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13 Replies
4186 Views |
January 27, 2022, 09:49:06 am by Willabe |
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4 Replies
4210 Views |
January 27, 2022, 01:05:37 am by Grees01 |
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JTM45 Schematic and Layout
Started by PharmRock |
15 Replies
12211 Views |
January 26, 2022, 10:02:27 pm by Grees01 |
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Ultra Linear hypothetical question
Started by Jonas |
3 Replies
2514 Views |
January 26, 2022, 03:15:41 am by pdf64 |
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37 Replies
10019 Views |
January 25, 2022, 08:00:38 pm by bmccowan |
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MOD Epiphone Valve Jr Help!!
Started by Travis8 |
5 Replies
2952 Views |
January 25, 2022, 09:43:34 am by PharmRock |
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Magnatone Varsity capacitor confusion
Started by mellotron |
6 Replies
3371 Views |
January 24, 2022, 10:10:29 pm by mellotron |
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SE circuit
Started by Stuff4bikes |
17 Replies
4745 Views |
January 24, 2022, 09:49:09 pm by Stuff4bikes |
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14 Replies
3801 Views |
January 24, 2022, 11:59:38 am by PharmRock |
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Phase Question
Started by Grees01 |
10 Replies
3558 Views |
January 24, 2022, 01:02:45 am by Grees01 |
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6G16 vibroverb layout discrepancy
Started by valvetones |
6 Replies
3224 Views |
January 23, 2022, 01:24:17 pm by valvetones |
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Unusual Pentode preamp.
Started by Cliff Rogers |
1 Replies
2661 Views |
January 23, 2022, 08:11:58 am by uki |
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Hot Rod DeVille rebuild
Started by bigOandrew |
19 Replies
6622 Views |
January 22, 2022, 07:57:16 pm by glass54 |
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Dual SE & PP Amp - Help with power supply
Started by _Steve |
12 Replies
4463 Views |
January 22, 2022, 11:33:27 am by kagliostro |
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Horrible hum cased by?
Started by timmyjoe |
21 Replies
6282 Views |
January 21, 2022, 04:56:16 pm by acheld |
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Component selection - PRRI rebuild
Started by mellotron |
4 Replies
2563 Views |
January 20, 2022, 08:39:22 pm by PRR |
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Master volume on Matchless Clubman
Started by frankenxtein |
10 Replies
3445 Views |
January 20, 2022, 06:23:51 pm by frankenxtein |
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Hand Wired vs Printed Circuit Board.
Started by Grees01 |
27 Replies
7507 Views |
January 20, 2022, 07:55:15 am by kagliostro |
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Bugera V22 h
Started by HighFlyingV |
7 Replies
4911 Views |
January 20, 2022, 07:22:14 am by HighFlyingV |
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p2pAmps Rusty-Dawg #001 Demo
Started by p2pAmps |
6 Replies
3451 Views |
January 20, 2022, 12:41:27 am by Grees01 |
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Mystery Transformers
Started by Blueboozer |
6 Replies
3034 Views |
January 19, 2022, 09:16:22 pm by Blueboozer |
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5 Replies
3620 Views |
January 19, 2022, 03:53:31 am by Latole |
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Output transformer question
Started by Stuff4bikes |
1 Replies
2399 Views |
January 19, 2022, 03:38:07 am by glass54 |
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Champ 5F1 with 7591
Started by mikhett |
9 Replies
3458 Views |
January 18, 2022, 10:57:21 pm by mikhett |
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5 Replies
2916 Views |
January 18, 2022, 05:32:16 pm by turbofeedus |
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8 Replies
4378 Views |
January 18, 2022, 01:03:29 pm by joesatch |
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help spec'n PT?
Started by Jonas |
18 Replies
5326 Views |
January 18, 2022, 05:14:10 am by shooter |
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Reverb Problem
Started by Travis8 |
10 Replies
3955 Views |
January 17, 2022, 08:38:30 pm by PRR |
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12.6 volt winding reduced to 6.3
Started by valvetones |
25 Replies
8290 Views |
January 17, 2022, 08:21:07 pm by valvetones |
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Strange Voltage Readings On Prototype Board
Started by AHeck |
2 Replies
2711 Views |
January 17, 2022, 08:04:32 pm by AHeck |
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Where to begin?
Started by Will.darden |
2 Replies
2208 Views |
January 17, 2022, 07:28:10 pm by Grees01 |
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11 Replies
4483 Views |
January 17, 2022, 06:04:41 pm by pdf64 |
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4 Replies
3005 Views |
January 17, 2022, 03:13:59 pm by Bieworm |
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2204 V1 static when i touch the tube
Started by joesatch |
5 Replies
3040 Views |
January 17, 2022, 04:08:23 am by shooter |
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3 Replies
2829 Views |
January 16, 2022, 04:31:03 pm by HotBluePlates |
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Resistor type question
Started by joesatch |
4 Replies
2424 Views |
January 16, 2022, 12:59:39 pm by mresistor |
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Reverb pot in a drip edge PR
Started by mrhudson27 |
2 Replies
2390 Views |
January 16, 2022, 10:16:15 am by HotBluePlates |
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