Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 08:41:19 am | ||
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JTM 45 and Caps
Started by Ed_Chambley |
7 Replies
4501 Views |
by The_Gaz |
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Fender reverb - go figure
Started by Tiny_Daddy |
11 Replies
4818 Views |
by HotBluePlates |
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3 Replies
2692 Views |
by tubenit |
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wiring a 2203 PT
Started by phsyconoodler |
12 Replies
7214 Views |
by jojokeo |
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To change or not to change (OT)
Started by Cups |
6 Replies
3553 Views |
by sluckey |
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MOVED: Amp Show
Started by EL34 |
0 Replies
2131 Views |
by EL34 |
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Bias Pots
Started by Ed_Chambley |
7 Replies
4670 Views |
by EL34 |
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Filter Cap Question
Started by dpm309 |
20 Replies
9586 Views |
by dpm309 |
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My Little Wing
Started by Boots Deville |
7 Replies
4021 Views |
by zendragon63 |
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23 Replies
11540 Views |
by SleepLess |
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6 Replies
6404 Views |
by kagliostro |
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Carolina HummingBird OD
Started by tubenit |
11 Replies
5197 Views |
by TIMBO |
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6J6A Long Tail Phase Inverter.
Started by DummyLoad |
3 Replies
4026 Views |
by DummyLoad |
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Eliminating a gain stage
Started by dude |
6 Replies
3789 Views |
by dude |
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The Twin Biasing Problem
Started by plexi50 |
7 Replies
3723 Views |
by stratele52 |
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Weird Phase inverter...
Started by DummyLoad |
4 Replies
3356 Views |
by rzenc |
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PLEXI GAIN 20 VVR and VOLUME PROBLEM
Started by TIMBO |
7 Replies
3448 Views |
by tubenit |
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Modified Twin Reverb Problem
Started by dpm309 |
19 Replies
6811 Views |
by Willabe |
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3 Replies
2849 Views |
by phsyconoodler |
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4 Replies
2910 Views |
by Frankenamp |
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7 Replies
5801 Views |
by Fresh_Start |
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super champ inside photo
Started by phsyconoodler |
6 Replies
4294 Views |
by LooseChange |
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Line 6 Spider Valve Tube Preamp
Started by JustMike |
2 Replies
3282 Views |
by JustMike |
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3 Replies
3552 Views |
by EL34 |
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Single Ended Layout
Started by spacelabstudio |
19 Replies
7781 Views |
by spacelabstudio |
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RCA SE amp - suppressor grid quandary.
Started by DummyLoad |
7 Replies
4084 Views |
by DummyLoad |
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wiring paralleled triodes
Started by Matty_V |
4 Replies
2905 Views |
by TIMBO |
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VVR, power-scaling question
Started by jeffhorrigan |
20 Replies
8262 Views |
by HotBluePlates |
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17 Replies
12540 Views |
by John |
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Marshall JMP vrs. JCM 800?
Started by rdrgtr |
11 Replies
7727 Views |
by Matty_V |
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MOVED: Capacitor meter/checker
Started by EL34 |
0 Replies
2393 Views |
by EL34 |
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First Post/Traynor YCV40WR
Started by jjackson7 |
12 Replies
5879 Views |
by jjackson7 |
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Rotary Z Selector Switch on BF Fender
Started by J Rindt |
2 Replies
2543 Views |
by J Rindt |
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Transformer Life Span
Started by J Rindt |
7 Replies
4512 Views |
by HotBluePlates |
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YGM-3 PI Values
Started by plexi50 |
8 Replies
4945 Views |
by plexi50 |
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Marshall clone issue
Started by rdrgtr |
19 Replies
6324 Views |
by rdrgtr |
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4 Replies
5122 Views |
by DummyLoad |
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Any interest in an amp build diary?
Started by SLW |
12 Replies
5066 Views |
by jojokeo |
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Grounding Hoffman 6g15 reverb
Started by chuggy |
3 Replies
4296 Views |
by EL34 |
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Help with EL34 brand Identification
Started by eleventeen |
7 Replies
5740 Views |
by FYL |
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2 Replies
2821 Views |
by Colas LeGrippa |
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AC LINE FILTER [Take 2] -- HOW TO???
Started by jjasilli |
20 Replies
10188 Views |
by jjasilli |
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Marshall 9200/ JMP-1
Started by rzenc |
4 Replies
5947 Views |
by rzenc |
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19 Replies
8411 Views |
by chocopower |
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Traynor YGM? Guitar Mate Reverb
Started by plexi50 |
22 Replies
15998 Views |
by Willabe |
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Zeners and dropping PT voltage
Started by dude |
7 Replies
4343 Views |
by stratele52 |
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Fisher 400 "death cap" + resistor
Started by jjasilli |
2 Replies
4731 Views |
by jjasilli |
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popping noise on OD switch
Started by dude |
11 Replies
4778 Views |
by Shrapnel |
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Twin High (white) Noise
Started by frankeg |
7 Replies
3592 Views |
by frankeg |
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Timbo's tubes and mosfets
Started by tubenit |
5 Replies
3709 Views |
by kagliostro |
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