Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 12:38:13 pm | ||
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5F2A in Champ chassis
Started by jly56 |
4 Replies
2951 Views |
![]() by jly56 |
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6 Replies
3290 Views |
![]() by markmalin |
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Rectifier Noise
Started by hesamadman |
6 Replies
3068 Views |
![]() by hesamadman |
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12 Replies
4983 Views |
![]() by VMS |
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1K 25 WATT resistor
Started by Mook |
7 Replies
3914 Views |
![]() by 2deaf |
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2 Replies
2236 Views |
![]() by MakerDP |
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0 Replies
1875 Views |
![]() by markmalin |
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PT Current & Votage Calculation
Started by jojokeo |
12 Replies
4221 Views |
![]() by PRR |
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Wire Voltage Rating
Started by ncusack |
2 Replies
2739 Views |
![]() by PRR |
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Transformer Issue
Started by basschops1528 |
15 Replies
5321 Views |
![]() by basschops1528 |
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Blues Jr lives.
Started by jim |
8 Replies
5915 Views |
![]() by DummyLoad |
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6L6 in Vibro Champ ?
Started by dude |
29 Replies
15377 Views |
![]() by jojokeo |
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Amp pots and master volume
Started by basschops1528 |
7 Replies
3280 Views |
![]() by sluckey |
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5F6A Complete - now what mods?
Started by waldner |
24 Replies
7971 Views |
![]() by sluckey |
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5E3 Pre PI Master Volume
Started by waldner |
14 Replies
7684 Views |
![]() by kagliostro |
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ground lift switch
Started by Toxophilite |
18 Replies
6255 Views |
![]() by kagliostro |
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Too much treble and bass
Started by dude |
24 Replies
7381 Views |
![]() by dude |
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Gibson GA40 Les Paul - Weak Tremolo
Started by kagliostro |
3 Replies
3742 Views |
![]() by kagliostro |
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0 Replies
1869 Views |
![]() by hesamadman |
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6 Replies
3314 Views |
![]() by Champ_49 |
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Doug -- wiring diagram of old transformer?
Started by Mook |
3 Replies
2359 Views |
![]() by EL34 |
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Leaking .02 cap ?
Started by dude |
3 Replies
2330 Views |
![]() by shooter |
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Old Power Tubes
Started by TIMBO |
40 Replies
9686 Views |
![]() by TIMBO |
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Weak tremolo in Vibro Champ
Started by dude |
5 Replies
3140 Views |
![]() by sluckey |
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James tone stack wiring
Started by ncusack |
4 Replies
3680 Views |
![]() by xm52 |
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Ab763 reverb circuit in separate mini chassis
Started by Toxophilite « 1 2 » |
73 Replies
13963 Views |
![]() by Toxophilite |
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Laney AOR 50 output transformer
Started by navdave |
4 Replies
4080 Views |
![]() by Willabe |
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Chassis source?
Started by markmalin |
9 Replies
3128 Views |
![]() by markmalin |
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7 Replies
4244 Views |
![]() by HotBluePlates |
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PP OT question
Started by dude |
8 Replies
3056 Views |
![]() by HotBluePlates |
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Tremelo footswitch pop
Started by Toxophilite |
0 Replies
1730 Views |
![]() by Toxophilite |
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Help with volume pot
Started by goldstache |
15 Replies
3808 Views |
![]() by goldstache |
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5 Replies
2440 Views |
![]() by tubeswell |
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Another PA Amp
Started by TIMBO |
15 Replies
5095 Views |
![]() by TIMBO |
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4 Replies
1957 Views |
![]() by 2deaf |
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Keys to a quiet amp
Started by hesamadman |
6 Replies
2941 Views |
![]() by Champ_49 |
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Heater wiring wire question.
Started by Champ_49 |
28 Replies
12041 Views |
![]() by Champ_49 |
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Single end OT question
Started by dude |
14 Replies
3894 Views |
![]() by PRR |
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Strange Cathode Voltage Reading
Started by ChubeRules |
4 Replies
2224 Views |
![]() by ChubeRules |
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23 Replies
6228 Views |
![]() by Willabe |
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heavy buss wire - can it be too heavy?
Started by bakerlite |
8 Replies
4054 Views |
![]() by labb |
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6 Replies
2585 Views |
![]() by kagliostro |
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Has the 5879 an octal correspondent ?
Started by kagliostro |
1 Replies
1924 Views |
![]() by VMS |
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5 Replies
2667 Views |
![]() by kagliostro |
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Floating Paraphase Negative Feedback
Started by navdave |
8 Replies
5851 Views |
![]() by tubeswell |
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Bias circuit addition
Started by navdave |
4 Replies
2345 Views |
![]() by ernie_jr |
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Princeton reverb / deluxe reverb clone
Started by Shack |
4 Replies
2895 Views |
![]() by HotBluePlates |
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25 Replies
5966 Views |
![]() by HotBluePlates |
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Hot chassis - normal?
Started by markmalin |
6 Replies
2742 Views |
![]() by sluckey |
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$90,000 vintage amp
Started by dude |
6 Replies
3857 Views |
![]() by dude |
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