Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 10:03:30 am | ||
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Crossover distortion on vibrato
Started by Axtman |
2 Replies
2506 Views |
by stratomaster |
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Cordovox Conversion
Started by scstill |
15 Replies
5609 Views |
by scstill |
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Remove vibrato (tremolo) on Normal Channel
Started by Axtman |
4 Replies
2365 Views |
by Axtman |
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4 Replies
2348 Views |
by Lectroid |
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1992 peavy mark vi bass amp repair
Started by Snake5150 |
6 Replies
2864 Views |
by glass54 |
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Classic 50 volume reduction
Started by proaudioguy |
3 Replies
2486 Views |
by DeepBias |
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Kagliostro low cut switch
Started by Jonas |
3 Replies
2428 Views |
by Jonas |
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Inductor EQ
Started by hylaphone |
10 Replies
3952 Views |
by hylaphone |
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13 Replies
3890 Views |
by HotBluePlates |
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School me on triode-strapped pentodes
Started by jacobarber |
11 Replies
3357 Views |
by jacobarber |
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Fender Silverface Front Panel
Started by jy67 |
1 Replies
1895 Views |
by dogburn |
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No bias Raw voltage.
Started by TonyM |
5 Replies
2545 Views |
by Merlin |
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What Is this circuit ???
Started by kagliostro |
3 Replies
1873 Views |
by kagliostro |
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1953 pro amp 5C5 circuit
Started by centervolume |
9 Replies
3379 Views |
by HotBluePlates |
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zener diode voltage drop
Started by tubenit |
4 Replies
1641 Views |
by kagliostro |
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Troubleshooting a new build amp
Started by Wardy |
13 Replies
3360 Views |
by Wardy |
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Need opinions on the Stout w/Reverb
Started by sjcasas |
45 Replies
9625 Views |
by dogburn |
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7 Replies
2486 Views |
by Graydigger |
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Deluxe 5E3 tone stack
Started by Lectroid |
15 Replies
3856 Views |
by Lectroid |
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Sovtek MG50H
Started by Ampman33 |
4 Replies
1644 Views |
by Ampman33 |
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22 Replies
4194 Views |
by Trenchard_UK |
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7 Replies
2061 Views |
by Bash |
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Switching cap across plate resistor
Started by Sonny ReVerb |
2 Replies
1697 Views |
by Sonny ReVerb |
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4 Replies
1616 Views |
by mxrshiver |
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4 Replies
1643 Views |
by kagliostro |
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48 Replies
10604 Views |
by tubeswell |
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4 Replies
1464 Views |
by wsscott |
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one-tube-reverbers
Started by Bieworm |
2 Replies
1407 Views |
by tubenit |
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5 Replies
1932 Views |
by Lectroid |
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5879 tube data sheet question
Started by tubenit |
5 Replies
2158 Views |
by DummyLoad |
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192 Replies
31502 Views |
by wsscott |
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Bias Wiggle Tremolo with 7591?
Started by dwinstonwood |
4 Replies
1532 Views |
by dwinstonwood |
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Hiwatt DR103 FX loop
Started by SoundCity85 |
37 Replies
13924 Views |
by wavley |
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3 Replies
1621 Views |
by Bieworm |
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25 Replies
4033 Views |
by Merlin |
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Reverb Tone Shifting with Dwell knob
Started by Lectroid |
14 Replies
3447 Views |
by stratomaster |
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Hum in 5E3
Started by FREYES_7 |
11 Replies
2380 Views |
by mresistor |
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Pre-Amp Anode Voltage Ibanez Thermion
Started by philschl |
3 Replies
1264 Views |
by philschl |
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63 Replies
15187 Views |
by Avraxas |
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19 Replies
2656 Views |
by Grantorino |
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What is this, a local NFB ??
Started by kagliostro |
4 Replies
1156 Views |
by kagliostro |
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18 Replies
3205 Views |
by TIMBO |
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Resistor identification
Started by 1Ab |
21 Replies
3655 Views |
by 1Ab |
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5 Replies
1647 Views |
by stratomaster |
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Cathodyne bias problem
Started by scstill |
2 Replies
1111 Views |
by scstill |
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15 Replies
2435 Views |
by Willabe |
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20 Replies
5317 Views |
by tubeswell |
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22 Replies
2610 Views |
by Platefire |
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HR DeVille number two.
Started by Bluebark |
20 Replies
2739 Views |
by Bluebark |
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Sound City 120 is in a bad way
Started by Williamblake |
49 Replies
15529 Views |
by Williamblake |
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