Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 11:31:46 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 11:31:46 pm | ||
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OT for AB763
Started by duke of earl |
9 Replies
3591 Views |
February 07, 2012, 02:51:30 pmby duke of earl |
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Loss of volume - Vox tube Berkeley
Started by klarsen01 |
2 Replies
2196 Views |
February 07, 2012, 02:15:31 am by jojokeo |
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Ladies and Gents: The Blowhole
Started by Tsquared |
11 Replies
3934 Views |
February 06, 2012, 04:13:29 pm by jjackson7 |
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Another take on the "HoSo" type amp
Started by CraigB |
13 Replies
4811 Views |
February 06, 2012, 05:13:28 am by arjepsen |
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Proper grounding on vintage amps
Started by P Batty |
1 Replies
2649 Views |
February 05, 2012, 12:12:35 pm by John |
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3 Replies
2354 Views |
February 05, 2012, 10:13:10 am by Colas LeGrippa |
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Standel 25L15 and dual PI
Started by Baguette |
14 Replies
7797 Views |
February 05, 2012, 09:22:38 am by tdvt |
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10 Replies
5438 Views |
February 04, 2012, 09:10:24 pm by jjasilli |
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PENTODE/TRIODE SWITCH Question
Started by Otis |
2 Replies
3148 Views |
February 04, 2012, 11:31:31 am by PRR |
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57 Replies
50512 Views |
February 04, 2012, 05:39:07 am by arjepsen |
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Tapping dcv from filament supply
Started by dude |
6 Replies
4194 Views |
February 03, 2012, 09:21:03 pm by dude |
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Wire wound R placebo effect?
Started by 12AX7 |
6 Replies
4847 Views |
February 03, 2012, 09:06:57 pm by PRR |
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Tube Diode Question.....
Started by J Rindt |
3 Replies
2472 Views |
February 03, 2012, 09:05:51 pm by PRR |
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Pedal Steel/4X6l6 amp recommendations?
Started by Tsquared |
7 Replies
3665 Views |
February 03, 2012, 08:15:00 pm by HotBluePlates |
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Some Final ReVibe pics
Started by EL34 |
2 Replies
2453 Views |
February 03, 2012, 11:30:05 am by EL34 |
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Kemper profiling amplifier
Started by TubeGeek |
12 Replies
4782 Views |
February 03, 2012, 05:28:26 am by macula56 |
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Anti Humm for interconnected circuits
Started by kagliostro |
0 Replies
2196 Views |
February 02, 2012, 05:02:47 pm by kagliostro |
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Add-A-Verb with tweed amp
Started by TubeGeek |
3 Replies
5032 Views |
February 02, 2012, 01:47:46 pm by TubeGeek |
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A less toxic flux remover?
Started by 12AX7 |
17 Replies
7619 Views |
February 02, 2012, 10:43:03 am by phsyconoodler |
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Power Supply filtering question
Started by schoolie |
8 Replies
6907 Views |
February 01, 2012, 10:23:47 pm by Fresh_Start |
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9 Replies
6319 Views |
February 01, 2012, 06:25:06 pm by Willabe |
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1966 BF Showman Blowing Fuses
Started by rastlr |
3 Replies
3453 Views |
February 01, 2012, 04:45:22 am by thermion |
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peavey encore 65
Started by brett |
2 Replies
7633 Views |
January 31, 2012, 09:46:11 pm by brett |
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caps in series or parallel
Started by 12AX7 |
5 Replies
4006 Views |
January 31, 2012, 09:29:33 pm by Colas LeGrippa |
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9 Replies
4733 Views |
January 31, 2012, 06:19:46 pm by HotBluePlates |
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Can i use 1/2 watt?
Started by 12AX7 |
11 Replies
5424 Views |
January 31, 2012, 10:49:21 am by 12AX7 |
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NFB necessary in SE amp?
Started by John |
36 Replies
13179 Views |
January 31, 2012, 12:36:35 am by PRR |
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New Original Design, any advice welcome
Started by tdvt |
12 Replies
4751 Views |
January 30, 2012, 08:33:57 am by tdvt |
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Bassman 70 project
Started by jjackson7 |
20 Replies
7923 Views |
January 30, 2012, 08:33:10 am by jjackson7 |
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MOVED: New project - Rack ReVibe
Started by EL34 |
0 Replies
1894 Views |
January 30, 2012, 05:58:32 am by EL34 |
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220 Volt Main Transformer
Started by plexi50 |
5 Replies
3187 Views |
January 29, 2012, 08:39:00 pm by plexi50 |
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RCA BA11 / GE 4BA1 Racking Project
Started by RicharD |
1 Replies
2829 Views |
January 29, 2012, 08:08:19 pm by PRR |
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Shielding in a head cabinet
Started by six el six |
9 Replies
5750 Views |
January 29, 2012, 07:09:19 pm by six el six |
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3 Replies
3030 Views |
January 29, 2012, 02:35:42 pm by kagliostro |
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Guild Superstar Amplifier
Started by Otis |
1 Replies
3309 Views |
January 29, 2012, 01:15:16 pm by The_Gaz |
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2C51/396A as a guitar preamp tube
Started by mls |
6 Replies
6638 Views |
January 29, 2012, 09:36:41 am by HotBluePlates |
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100 Replies
28045 Views |
January 29, 2012, 08:13:10 am by tubenit |
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low voltages all round
Started by bakerlite |
5 Replies
3776 Views |
January 29, 2012, 03:43:37 am by stratele52 |
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6 Replies
5532 Views |
January 28, 2012, 08:58:36 pm by HotBluePlates |
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7 Replies
6003 Views |
January 28, 2012, 06:19:33 pm by Willabe |
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13 Replies
7134 Views |
January 28, 2012, 11:05:22 am by kagliostro |
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5 Replies
3010 Views |
January 28, 2012, 10:01:48 am by Tiny_Daddy |
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2 Replies
5734 Views |
January 28, 2012, 02:37:22 am by jeff |
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Eastern Amplifier 6V6, 6LS7, 6X5 potential
Started by SIG |
15 Replies
10087 Views |
January 27, 2012, 05:01:35 pm by SIG |
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Hoffman AB763 bias trem- missing cap?
Started by tdvt |
3 Replies
2943 Views |
January 27, 2012, 06:05:35 am by EL34 |
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Unknow O.T. Check my maths.
Started by chocopower |
2 Replies
2186 Views |
January 26, 2012, 07:44:31 pm by chocopower |
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RE-Vibe for line level use
Started by nateflanigan |
11 Replies
4906 Views |
January 26, 2012, 12:44:57 pm by spacelabstudio |
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Epiphone Valve Standard
Started by Tiny_Daddy |
4 Replies
4996 Views |
January 25, 2012, 07:55:33 pm by Tiny_Daddy |
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AC30 CCH help
Started by J Rindt |
15 Replies
6797 Views |
January 25, 2012, 05:55:38 pm by kagliostro |
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Princeton Head Build
Started by Ed_Chambley |
14 Replies
6391 Views |
January 25, 2012, 03:06:10 pm by Ed_Chambley |
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