Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 05:54:25 am | ||
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Ground: Loops and Lifts
Started by jeff |
1 Replies
2138 Views |
by terminalgs |
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Color by Numbers Bassman 6g6B
Started by HommeMarrBuckley |
49 Replies
17715 Views |
by Ed_Chambley |
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Z OUT calculation
Started by Colas LeGrippa |
7 Replies
4954 Views |
by tubeswell |
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Zenith Stereophonic Schematic Hunt
Started by Ed_Chambley |
8 Replies
5942 Views |
by Ed_Chambley |
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DR. Sluckey AB763vibrolite build..... Line out?
Started by Toxophilite « 1 2 » |
65 Replies
17859 Views |
by terminalgs |
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warbler SR Xfmrs
Started by jeff |
9 Replies
3374 Views |
by tubeswell |
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current draw equation
Started by jeff |
8 Replies
4594 Views |
by tubeswell |
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Reusing old iron with stiff wires.
Started by printer2 |
6 Replies
2942 Views |
by printer2 |
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optoisolator bulb(trem roach)
Started by jeff |
9 Replies
5047 Views |
by jeff |
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vox ac15c1 question
Started by burt_toast |
2 Replies
2404 Views |
by burt_toast |
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Need help finding a diode
Started by dude |
4 Replies
2647 Views |
by eleventeen |
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EL34 6L6 miing circuit
Started by Jack1962 |
0 Replies
1832 Views |
by Jack1962 |
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Turret board and lugs question
Started by Speakz |
10 Replies
4175 Views |
by billcreller |
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el34 cathode biased ppimv schematic
Started by Tone Junkie |
12 Replies
8186 Views |
by Tone Junkie |
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4 output tube 1 ohm resistor
Started by michael |
20 Replies
7683 Views |
by Willabe |
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mixed speakers: voltage VS current
Started by jeff |
22 Replies
7880 Views |
by HotBluePlates |
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4 Replies
3615 Views |
by Toxophilite |
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1 Replies
2187 Views |
by stratele52 |
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PA 300 Conversion
Started by Toxophilite |
47 Replies
11348 Views |
by Toxophilite |
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34 Replies
29727 Views |
by Chris_Twang |
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Sunn 200S amp
Started by billcreller |
30 Replies
13285 Views |
by sluckey |
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reworkin a Sluckey
Started by shooter |
1 Replies
2261 Views |
by plexi50 |
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Unknown Xfmr fail test
Started by jeff |
15 Replies
5457 Views |
by HotBluePlates |
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0 Replies
2021 Views |
by rzenc |
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1 Replies
2651 Views |
by HotBluePlates |
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What to do with gutted Heathkit A-9
Started by BrianS |
1 Replies
2868 Views |
by HotBluePlates |
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Ampeg B25B what power tubes?
Started by Willabe |
11 Replies
6192 Views |
by Willabe |
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The Preacher…5e5a Pro Demo
Started by TubeGeek |
16 Replies
5080 Views |
by TubeGeek |
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Hi - Fi stereo project needed
Started by Colas LeGrippa |
17 Replies
4729 Views |
by Colas LeGrippa |
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Reverbetank Q
Started by ganzonimx |
6 Replies
2886 Views |
by shooter |
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28 Replies
11492 Views |
by PRR |
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S/E oscillation cure
Started by Colas LeGrippa |
0 Replies
2095 Views |
by Colas LeGrippa |
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11 Replies
8567 Views |
by HotBluePlates |
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Hoffman-ish 5E4-A/5E5-A, anyone?
Started by drew |
0 Replies
2231 Views |
by drew |
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Hoping for input....
Started by tylerrussell « 1 2 » |
65 Replies
15225 Views |
by tylerrussell |
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60's Ampeg B12XY Trouble
Started by zakman1111 |
12 Replies
4730 Views |
by stratele52 |
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7 Replies
3403 Views |
by tubeswell |
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Question about parallel output transformers
Started by Dave |
31 Replies
17112 Views |
by PRR |
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kt 88 O/P load
Started by ernie_jr |
2 Replies
2314 Views |
by ernie_jr |
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Super Reverb Crapping out
Started by Toxophilite |
0 Replies
2093 Views |
by Toxophilite |
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5e3 weird scratchy pot problem...
Started by Phil_Tre |
15 Replies
7385 Views |
by stratele52 |
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Weber "Lenora"
Started by floyd |
7 Replies
5093 Views |
by HotBluePlates |
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Silver Sparkle Silvertone Project
Started by TubeGeek |
7 Replies
3841 Views |
by TubeGeek |
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New build from last year modified
Started by Colas LeGrippa |
0 Replies
2160 Views |
by Colas LeGrippa |
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Allesandro Working Dog PPIMV question
Started by TubeGeek |
5 Replies
3363 Views |
by Ed_Chambley |
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DELUXE REVERB w/boost control
Started by Colas LeGrippa |
13 Replies
4840 Views |
by Willabe |
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16 Replies
7285 Views |
by HotBluePlates |
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Is this good for anything?
Started by Stankfut |
11 Replies
7649 Views |
by jojokeo |
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ZENER diode 5378 for GZ34 ?
Started by Colas LeGrippa |
8 Replies
3718 Views |
by kagliostro |
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36 Replies
9732 Views |
by HotBluePlates |
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