Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 11:25:47 am
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 11:25:47 am | ||
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3 Replies
4810 Views |
February 06, 2013, 10:40:37 pmby silverfox |
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pf value cap from 12AX7 plate to cathode?
Started by 12AX7 |
2 Replies
5114 Views |
February 06, 2013, 12:59:26 pm by 12AX7 |
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What solder do you use for amp work
Started by kwm488 |
8 Replies
9018 Views |
February 06, 2013, 01:29:55 am by kwm488 |
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10 Replies
13216 Views |
February 05, 2013, 04:10:20 pm by Geezer |
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Princeton reverb schamatic WITHOUT vibrato?
Started by 12AX7 |
3 Replies
5683 Views |
February 05, 2013, 11:31:42 am by 12AX7 |
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0 Replies
3858 Views |
February 05, 2013, 09:28:00 am by tubenit |
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PV Delta Blues procedure
Started by firemedic |
4 Replies
5166 Views |
February 05, 2013, 04:52:34 am by LooseChange |
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6g15 reverb
Started by blues man |
1 Replies
4193 Views |
February 04, 2013, 11:40:30 pm by tubeswell |
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picking up radio interference
Started by smackoj |
21 Replies
11157 Views |
February 04, 2013, 10:08:07 am by sluckey |
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42 Replies
15747 Views |
February 03, 2013, 07:42:29 pm by Gary_S |
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Will this work on a AB763 Twin
Started by Gone_Fishing |
3 Replies
4615 Views |
February 03, 2013, 02:05:01 pm by Gone_Fishing |
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Thunderfunk numbers?
Started by crashtm1 |
3 Replies
4067 Views |
February 03, 2013, 09:26:19 am by HotBluePlates |
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Variable Capacitors
Started by llama |
3 Replies
5574 Views |
February 02, 2013, 08:12:53 am by kagliostro |
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Fender HOT ROD De Ville
Started by Colas LeGrippa |
10 Replies
5952 Views |
February 01, 2013, 04:51:27 pm by Colas LeGrippa |
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10 Replies
19590 Views |
February 01, 2013, 04:29:23 pm by HotBluePlates |
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Aussie Made Stuff - Score #1
Started by TIMBO |
5 Replies
5264 Views |
February 01, 2013, 03:35:47 pm by TIMBO |
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STEREO TUBE AMP PP 2X35W WITH 6CA7
Started by biker883 |
8 Replies
6572 Views |
February 01, 2013, 12:36:37 pm by biker883 |
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Big Bottle clean amp ~30-40 watts
Started by llama |
15 Replies
8769 Views |
February 01, 2013, 11:38:44 am by SILVERGUN |
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Tube Chart Preservation
Started by plexi50 |
7 Replies
5616 Views |
February 01, 2013, 10:31:04 am by plexi50 |
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Subject of the Week Study
Started by silverfox |
2 Replies
4009 Views |
February 01, 2013, 12:20:22 am by PRR |
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Hoffman's 251k....251pf >500v Ceramic Caps
Started by Doc58 |
4 Replies
4707 Views |
February 01, 2013, 12:11:17 am by PRR |
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New Build- Circuit Question
Started by silverfox |
1 Replies
4387 Views |
January 31, 2013, 11:08:37 pm by HotBluePlates |
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Do I need to Bias?
Started by Doc58 |
2 Replies
4352 Views |
January 31, 2013, 09:56:17 pm by HotBluePlates |
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Blues DeVille Bias Problem
Started by plexi50 |
4 Replies
4966 Views |
January 31, 2013, 03:24:51 pm by Willabe |
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Strange sound in my amplifier
Started by Danilewicz |
10 Replies
6288 Views |
January 31, 2013, 03:11:40 pm by John |
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10 Replies
7359 Views |
January 31, 2013, 02:18:13 pm by sonicguitars |
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Playing with Load
Started by jeff |
0 Replies
3670 Views |
January 31, 2013, 01:40:00 pm by jeff |
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Diezel Einstein
Started by shortfuse |
3 Replies
5763 Views |
January 31, 2013, 10:32:42 am by darkbluemurder |
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What purpose do these resistors serve?
Started by SILVERGUN |
31 Replies
13150 Views |
January 30, 2013, 06:59:27 pm by HotBluePlates |
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Power Transformer Headache
Started by silverfox |
9 Replies
6827 Views |
January 30, 2013, 01:40:45 pm by eleventeen |
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Question about lead dress
Started by 12AX7 |
13 Replies
11529 Views |
January 29, 2013, 07:02:01 am by HotBluePlates |
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Traynor YSR1 Tonestack
Started by plexi50 |
16 Replies
12548 Views |
January 29, 2013, 07:00:18 am by plexi50 |
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No millivolt reading at 1 ohm resistor
Started by Underwood |
20 Replies
9933 Views |
January 29, 2013, 06:52:12 am by Colas LeGrippa |
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43 Replies
21946 Views |
January 28, 2013, 03:36:07 pm by Platefire |
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Hum Question
Started by alerich |
7 Replies
7496 Views |
January 28, 2013, 02:16:35 pm by Platefire |
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another SUPER REVERB sick
Started by Colas LeGrippa |
18 Replies
9507 Views |
January 27, 2013, 08:34:42 pm by Colas LeGrippa |
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61 Replies
23207 Views |
January 27, 2013, 04:33:01 pm by TIMBO |
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Fender 75 project amp
Started by phsyconoodler |
23 Replies
11756 Views |
January 27, 2013, 03:05:41 pm by phsyconoodler |
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Tungsten Crema Wheat
Started by Leevi |
8 Replies
10921 Views |
January 27, 2013, 05:07:18 am by Leevi |
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Did I wire this fuse right to the live?
Started by frank57 |
7 Replies
4813 Views |
January 26, 2013, 11:42:08 am by frank57 |
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1973 Princeton Reverb question
Started by Michael1 |
18 Replies
9702 Views |
January 26, 2013, 06:55:32 am by plexi50 |
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7 Replies
4992 Views |
January 26, 2013, 03:29:51 am by kagliostro |
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11 Replies
6735 Views |
January 25, 2013, 10:46:13 pm by SoundmasterG |
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Deluxe Bassman Reverb
Started by tubenit |
9 Replies
5801 Views |
January 25, 2013, 09:46:32 pm by printer2 |
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5E3 blowing a speaker?
Started by Madison |
11 Replies
6771 Views |
January 25, 2013, 11:19:24 am by archaos |
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4 Replies
5058 Views |
January 25, 2013, 03:45:47 am by jazbo8 |
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16 Replies
8432 Views |
January 24, 2013, 04:12:34 pm by DummyLoad |
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PUSH-PULL, no cathode follower ?
Started by Colas LeGrippa |
4 Replies
4687 Views |
January 24, 2013, 02:30:43 pm by DummyLoad |
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0 Replies
4792 Views |
January 24, 2013, 10:32:32 am by dkevin |
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Is this Fuse Switch Plug wiring wrong?
Started by frank57 |
14 Replies
12190 Views |
January 24, 2013, 08:21:20 am by frank57 |
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