Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:36:41 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:36:41 pm | ||
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Color by Numbers Bassman 6g6B
Started by HommeMarrBuckley |
49 Replies
15520 Views |
March 03, 2014, 02:40:23 pmby Ed_Chambley |
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Z OUT calculation
Started by Colas LeGrippa |
7 Replies
4370 Views |
March 03, 2014, 11:26:22 am by tubeswell |
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Zenith Stereophonic Schematic Hunt
Started by Ed_Chambley |
8 Replies
5306 Views |
March 03, 2014, 10:41:21 am by Ed_Chambley |
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DR. Sluckey AB763vibrolite build..... Line out?
Started by Toxophilite « 1 2 » |
65 Replies
16038 Views |
March 03, 2014, 09:58:55 am by terminalgs |
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warbler SR Xfmrs
Started by jeff |
9 Replies
2912 Views |
March 02, 2014, 11:39:03 pm by tubeswell |
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current draw equation
Started by jeff |
8 Replies
4016 Views |
March 02, 2014, 06:12:14 pm by tubeswell |
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Reusing old iron with stiff wires.
Started by printer2 |
6 Replies
2407 Views |
March 02, 2014, 06:01:15 pm by printer2 |
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optoisolator bulb(trem roach)
Started by jeff |
9 Replies
4522 Views |
March 02, 2014, 03:29:17 pm by jeff |
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vox ac15c1 question
Started by burt_toast |
2 Replies
2180 Views |
March 02, 2014, 02:23:51 pm by burt_toast |
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Need help finding a diode
Started by dude |
4 Replies
2130 Views |
March 02, 2014, 01:39:58 pm by eleventeen |
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EL34 6L6 miing circuit
Started by Jack1962 |
0 Replies
1618 Views |
March 01, 2014, 01:14:03 pm by Jack1962 |
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Turret board and lugs question
Started by Speakz |
10 Replies
3691 Views |
February 28, 2014, 11:25:42 pm by billcreller |
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el34 cathode biased ppimv schematic
Started by Tone Junkie |
12 Replies
7677 Views |
February 28, 2014, 03:45:41 am by Tone Junkie |
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4 output tube 1 ohm resistor
Started by michael |
20 Replies
6654 Views |
February 27, 2014, 07:53:08 pm by Willabe |
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mixed speakers: voltage VS current
Started by jeff |
22 Replies
6770 Views |
February 27, 2014, 05:26:39 pm by HotBluePlates |
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4 Replies
3182 Views |
February 27, 2014, 04:33:00 pm by Toxophilite |
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1 Replies
1894 Views |
February 26, 2014, 03:25:46 am by stratele52 |
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PA 300 Conversion
Started by Toxophilite |
47 Replies
9986 Views |
February 25, 2014, 02:40:29 pm by Toxophilite |
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34 Replies
28142 Views |
February 25, 2014, 09:23:46 am by Chris_Twang |
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Sunn 200S amp
Started by billcreller |
30 Replies
12221 Views |
February 24, 2014, 09:22:31 pm by sluckey |
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reworkin a Sluckey
Started by shooter |
1 Replies
2062 Views |
February 24, 2014, 05:38:49 pm by plexi50 |
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Unknown Xfmr fail test
Started by jeff |
15 Replies
4792 Views |
February 24, 2014, 02:41:30 pm by HotBluePlates |
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0 Replies
1765 Views |
February 24, 2014, 07:18:41 am by rzenc |
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1 Replies
2373 Views |
February 23, 2014, 03:29:30 pm by HotBluePlates |
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What to do with gutted Heathkit A-9
Started by BrianS |
1 Replies
2504 Views |
February 23, 2014, 03:23:55 pm by HotBluePlates |
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Ampeg B25B what power tubes?
Started by Willabe |
11 Replies
5548 Views |
February 22, 2014, 09:47:08 pm by Willabe |
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The Preacher…5e5a Pro Demo
Started by TubeGeek |
16 Replies
4620 Views |
February 22, 2014, 09:17:17 pm by TubeGeek |
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Hi - Fi stereo project needed
Started by Colas LeGrippa |
17 Replies
4010 Views |
February 22, 2014, 08:40:20 pm by Colas LeGrippa |
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Reverbetank Q
Started by ganzonimx |
6 Replies
2535 Views |
February 22, 2014, 08:40:03 pm by shooter |
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28 Replies
10589 Views |
February 22, 2014, 12:01:55 am by PRR |
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S/E oscillation cure
Started by Colas LeGrippa |
0 Replies
1779 Views |
February 21, 2014, 08:00:48 pm by Colas LeGrippa |
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11 Replies
7782 Views |
February 21, 2014, 04:54:01 pm by HotBluePlates |
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Hoffman-ish 5E4-A/5E5-A, anyone?
Started by drew |
0 Replies
1994 Views |
February 20, 2014, 10:14:57 pm by drew |
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Hoping for input....
Started by tylerrussell « 1 2 » |
65 Replies
12742 Views |
February 20, 2014, 02:08:27 pm by tylerrussell |
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60's Ampeg B12XY Trouble
Started by zakman1111 |
12 Replies
4024 Views |
February 20, 2014, 03:12:36 am by stratele52 |
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7 Replies
2902 Views |
February 20, 2014, 12:12:20 am by tubeswell |
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Question about parallel output transformers
Started by Dave |
31 Replies
16084 Views |
February 18, 2014, 08:14:24 pm by PRR |
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kt 88 O/P load
Started by ernie_jr |
2 Replies
1906 Views |
February 18, 2014, 04:10:39 pm by ernie_jr |
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Super Reverb Crapping out
Started by Toxophilite |
0 Replies
1734 Views |
February 18, 2014, 03:59:01 am by Toxophilite |
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5e3 weird scratchy pot problem...
Started by Phil_Tre |
15 Replies
6588 Views |
February 18, 2014, 03:13:39 am by stratele52 |
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Weber "Lenora"
Started by floyd |
7 Replies
4121 Views |
February 17, 2014, 08:19:49 pm by HotBluePlates |
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Silver Sparkle Silvertone Project
Started by TubeGeek |
7 Replies
3080 Views |
February 17, 2014, 06:41:56 pm by TubeGeek |
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New build from last year modified
Started by Colas LeGrippa |
0 Replies
1819 Views |
February 17, 2014, 05:49:26 pm by Colas LeGrippa |
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Allesandro Working Dog PPIMV question
Started by TubeGeek |
5 Replies
2909 Views |
February 17, 2014, 01:56:32 pm by Ed_Chambley |
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DELUXE REVERB w/boost control
Started by Colas LeGrippa |
13 Replies
4060 Views |
February 17, 2014, 11:58:11 am by Willabe |
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16 Replies
6388 Views |
February 17, 2014, 10:00:32 am by HotBluePlates |
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Is this good for anything?
Started by Stankfut |
11 Replies
6594 Views |
February 17, 2014, 08:45:45 am by jojokeo |
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ZENER diode 5378 for GZ34 ?
Started by Colas LeGrippa |
8 Replies
3064 Views |
February 17, 2014, 04:09:40 am by kagliostro |
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36 Replies
8457 Views |
February 15, 2014, 11:42:41 pm by HotBluePlates |
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mid boost
Started by dscottguitars |
5 Replies
2556 Views |
February 15, 2014, 07:09:21 pm by dscottguitars |
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