Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 06:55:29 pm | ||
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3 Replies
3940 Views |
by EL34 |
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Single Ended Layout
Started by spacelabstudio |
19 Replies
8391 Views |
by spacelabstudio |
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RCA SE amp - suppressor grid quandary.
Started by DummyLoad |
7 Replies
4537 Views |
by DummyLoad |
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wiring paralleled triodes
Started by Matty_V |
4 Replies
3212 Views |
by TIMBO |
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VVR, power-scaling question
Started by jeffhorrigan |
20 Replies
8826 Views |
by HotBluePlates |
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17 Replies
13222 Views |
by John |
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Marshall JMP vrs. JCM 800?
Started by rdrgtr |
11 Replies
8211 Views |
by Matty_V |
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MOVED: Capacitor meter/checker
Started by EL34 |
0 Replies
2743 Views |
by EL34 |
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First Post/Traynor YCV40WR
Started by jjackson7 |
12 Replies
6307 Views |
by jjackson7 |
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Rotary Z Selector Switch on BF Fender
Started by J Rindt |
2 Replies
2851 Views |
by J Rindt |
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Transformer Life Span
Started by J Rindt |
7 Replies
4963 Views |
by HotBluePlates |
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YGM-3 PI Values
Started by plexi50 |
8 Replies
5327 Views |
by plexi50 |
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Marshall clone issue
Started by rdrgtr |
19 Replies
6821 Views |
by rdrgtr |
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4 Replies
5532 Views |
by DummyLoad |
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Any interest in an amp build diary?
Started by SLW |
12 Replies
5531 Views |
by jojokeo |
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Grounding Hoffman 6g15 reverb
Started by chuggy |
3 Replies
4584 Views |
by EL34 |
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Help with EL34 brand Identification
Started by eleventeen |
7 Replies
6190 Views |
by FYL |
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2 Replies
3147 Views |
by Colas LeGrippa |
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AC LINE FILTER [Take 2] -- HOW TO???
Started by jjasilli |
20 Replies
10953 Views |
by jjasilli |
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Marshall 9200/ JMP-1
Started by rzenc |
4 Replies
6435 Views |
by rzenc |
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19 Replies
9313 Views |
by chocopower |
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Traynor YGM? Guitar Mate Reverb
Started by plexi50 |
22 Replies
16607 Views |
by Willabe |
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Zeners and dropping PT voltage
Started by dude |
7 Replies
4735 Views |
by stratele52 |
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Fisher 400 "death cap" + resistor
Started by jjasilli |
2 Replies
5118 Views |
by jjasilli |
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popping noise on OD switch
Started by dude |
11 Replies
5233 Views |
by Shrapnel |
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Twin High (white) Noise
Started by frankeg |
7 Replies
3977 Views |
by frankeg |
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Timbo's tubes and mosfets
Started by tubenit |
5 Replies
4048 Views |
by kagliostro |
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Blackface Vibro Champ mystery cap?
Started by blueznet |
11 Replies
6527 Views |
by jjasilli |
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Intentional impedance mismatch questions
Started by osing |
4 Replies
4640 Views |
by HotBluePlates |
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Transformers PT vs OT
Started by Ed_Chambley |
3 Replies
3021 Views |
by FYL |
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Fender RI Reverb hand wired conversion kit?
Started by chuggy |
1 Replies
3085 Views |
by sluckey |
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12 Replies
6636 Views |
by Matty_V |
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Laney, schematics and books.
Started by Lennart |
31 Replies
15533 Views |
by Lennart |
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Hot Rod Deville crackle
Started by Tiny_Daddy |
9 Replies
5468 Views |
by rzenc |
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AB763 with 4x6V6
Started by rzenc |
7 Replies
5657 Views |
by DummyLoad |
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Non Polarized Filter Caps
Started by dpm309 |
16 Replies
7251 Views |
by FYL |
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Doubled triode?
Started by 67polara |
11 Replies
5706 Views |
by tubeswell |
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Blues Jr - cathode bias mod?
Started by bluesbear |
10 Replies
7264 Views |
by John |
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MOVED: which tool ?
Started by tubenit |
0 Replies
2888 Views |
by tubenit |
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Fresh new AB165 build
Started by Danskman |
7 Replies
4237 Views |
by tubeswell |
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Master Volume type 3 help
Started by Megachunk |
13 Replies
8314 Views |
by sluckey |
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NOS Stancor PT ???
Started by zapped |
7 Replies
5409 Views |
by jjasilli |
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Problem biasing for correct voltage
Started by dude |
27 Replies
10574 Views |
by dude |
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Now the noise
Started by Matty_V |
16 Replies
5986 Views |
by dpm309 |
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0 Replies
2826 Views |
by EL34 |
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Help with 2204 please!
Started by Matty_V |
16 Replies
6067 Views |
by Matty_V |
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Carolina SongBird PLUS
Started by tubenit |
1 Replies
3137 Views |
by sdp1234 |
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AC30 Plus Deluxe Reverb
Started by Ed_Chambley |
19 Replies
8972 Views |
by Ed_Chambley |
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5F6A Tweed Bassman Power Transformer
Started by accmeint |
2 Replies
3622 Views |
by eleventeen |
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15 Replies
21547 Views |
by jojokeo |
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