Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 11:25:46 am | ||
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by kagliostro |
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10 Replies
6719 Views |
by smackoj |
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25 Replies
13878 Views |
by PRR |
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PP output transformer wiring
Started by dscottguitars |
14 Replies
16878 Views |
by PRR |
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6 Replies
40532 Views |
by kagliostro |
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Do all 1 ohm resistor read high
Started by Ed_Chambley |
17 Replies
10812 Views |
by Merlin |
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Heavywatter questions
Started by Satellite^Guy |
2 Replies
4389 Views |
by stratele52 |
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Hitting the brick wall!
Started by DarrylC. |
21 Replies
9385 Views |
by HotBluePlates |
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7 Replies
9329 Views |
by PRR |
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V-AMP PRO AMP
Started by TIMBO |
1 Replies
4119 Views |
by jazbo8 |
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24 Replies
16139 Views |
by 12AX7 |
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6 Replies
6626 Views |
by kagliostro |
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ExpressPCB schematic symbols
Started by jeff |
2 Replies
5920 Views |
by sluckey |
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15 Replies
9552 Views |
by Refugee |
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Finding the foil end on Orange Drops
Started by Ed_Chambley |
4 Replies
4944 Views |
by tubenit |
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Mesa 20/20 Power Amp Transformer
Started by plexi50 |
11 Replies
8841 Views |
by etarist |
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Rugged EL34?
Started by 12AX7 |
2 Replies
6009 Views |
by 12AX7 |
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Screen current question
Started by SILVERGUN |
4 Replies
7664 Views |
by HotBluePlates |
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3 Replies
6252 Views |
by kagliostro |
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12 Replies
21532 Views |
by kagliostro |
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11 Replies
8536 Views |
by PRR |
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Is there a build like this?
Started by 12AX7 |
3 Replies
6388 Views |
by HotBluePlates |
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Capacitor help
Started by den1976 |
2 Replies
4196 Views |
by HotBluePlates |
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21 Replies
9539 Views |
by Colas LeGrippa |
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Tubes
Started by ElliottKoch |
10 Replies
6788 Views |
by alerich |
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My Princeton Reverb doesn't hiss.....
Started by clyde |
5 Replies
4935 Views |
by HotBluePlates |
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AB763 Deluxe Reverb Plate Voltage OK??
Started by ACHIEVEIT |
3 Replies
5776 Views |
by phsyconoodler |
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6G11 bias-vari trem
Started by worth |
23 Replies
13042 Views |
by HotBluePlates |
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Carvin VTR-2800
Started by Crazyhorse5 |
0 Replies
4079 Views |
by Crazyhorse5 |
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How does this fixed bias circuit work?
Started by moonbird |
20 Replies
14024 Views |
by moonbird |
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273 Replies
148504 Views |
by tubenit |
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pentode vs UL
Started by ernie_jr |
4 Replies
5358 Views |
by ernie_jr |
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preamp tap hoffman ab763 circuit
Started by ElliottKoch |
8 Replies
8461 Views |
by ElliottKoch |
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Fender caps
Started by Medman |
5 Replies
5775 Views |
by smackoj |
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bill m coupling cap choices
Started by phsyconoodler |
1 Replies
3757 Views |
by phsyconoodler |
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Tweed "touch sensitivity"
Started by sjturbo |
0 Replies
3967 Views |
by sjturbo |
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4 Replies
4578 Views |
by Colas LeGrippa |
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Princeton Volume Pot Hiss
Started by Ed_Chambley |
9 Replies
6627 Views |
by Ed_Chambley |
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21 Replies
12101 Views |
by smackoj |
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3 Replies
5526 Views |
by dinkotom |
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B15S preamp
Started by rzenc |
3 Replies
3983 Views |
by PRR |
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check this mint amp!
Started by Colas LeGrippa |
2 Replies
4334 Views |
by triode |
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Active FX loop
Started by tubenit |
35 Replies
16756 Views |
by kagliostro |
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PT question
Started by jerrydyer |
7 Replies
5325 Views |
by jeff |
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27 Replies
14639 Views |
by jojokeo |
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5 Replies
7091 Views |
by jazbo8 |
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What dat V2 do?
Started by Gone_Fishing |
9 Replies
6382 Views |
by eleventeen |
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Boost pedals with LEDs ?
Started by Madison |
11 Replies
6159 Views |
by jazbo8 |
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MICRO AMPS
Started by TIMBO |
1 Replies
4391 Views |
by jazbo8 |
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GA-8 pa section ??
Started by shooter |
14 Replies
6838 Views |
by HotBluePlates |
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