Welcome To the Hoffman Amplifiers ForumMay 30, 2026, 12:57:36 am | ||
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Sunn 2000S schematic and layout
Started by birt |
0 Replies
5672 Views |
by birt |
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AC 30 type help?
Started by jerrydyer |
3 Replies
4604 Views |
by jerrydyer |
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Ampeg V4B values
Started by birt |
2 Replies
5274 Views |
by birt |
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BOSS ROLAND MG 10
Started by Colas LeGrippa |
2 Replies
5713 Views |
by Colas LeGrippa |
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Twisting OPT primary wires
Started by punkykatt |
5 Replies
5654 Views |
by HotBluePlates |
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Anybody built a "Two Stroke" amp?
Started by Madison |
8 Replies
9685 Views |
by tubeswell |
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Ampcabinets
Started by Tiny_Daddy |
4 Replies
5181 Views |
by Tiny_Daddy |
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Sano amplifiers?
Started by StevieRayVehkakoski |
11 Replies
10329 Views |
by StevieRayVehkakoski |
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SD Convertible 100 Board Rebuild
Started by plexi50 |
6 Replies
5794 Views |
by plexi50 |
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14 Replies
8798 Views |
by SirElwood |
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Hum in my 50w amp.
Started by mpayne |
10 Replies
6970 Views |
by Geezer |
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18 Replies
9216 Views |
by dwp |
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Tube bass amp in a combo cab?
Started by dynaman1 |
10 Replies
7253 Views |
by dynaman1 |
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8 Replies
6511 Views |
by HotBluePlates |
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hiss in my new build - ideas??
Started by markmalin |
27 Replies
15225 Views |
by tubeswell |
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Noisey Switches
Started by TIMBO |
4 Replies
4753 Views |
by Shrapnel |
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7 Replies
10665 Views |
by PRR |
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Hiwatt problems
Started by frank57 |
40 Replies
23293 Views |
by frank57 |
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output ohm question?
Started by john_t |
6 Replies
6254 Views |
by HotBluePlates |
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Gibson Lancer GA 35 RVT
Started by plexi50 |
34 Replies
19984 Views |
by plexi50 |
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Crackling EL34s
Started by Madison |
16 Replies
8934 Views |
by Madison |
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"New" design critique needed
Started by TweeDLX |
7 Replies
5834 Views |
by TweeDLX |
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blowing fuses ga 5
Started by john_t |
25 Replies
10961 Views |
by john_t |
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Handwound transformers???
Started by crashtm1 |
10 Replies
7527 Views |
by crashtm1 |
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Need help with noisy Ampeg J-20
Started by mfc_pj |
10 Replies
8557 Views |
by Rich |
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Framus Cobra Head
Started by dpm309 |
5 Replies
7243 Views |
by dpm309 |
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Wiring questions.
Started by tinker |
5 Replies
5872 Views |
by jojokeo |
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Hum in 1978 Vibrolux Reverb
Started by Gene |
22 Replies
13712 Views |
by Gene |
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MASTER VOLUME FOR EACH PAIR
Started by rzenc |
16 Replies
10775 Views |
by rzenc |
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12 Replies
7019 Views |
by tubenit |
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One tube reverb info
Started by TIMBO |
5 Replies
5440 Views |
by tubenit |
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10 Replies
11695 Views |
by HotBluePlates |
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Brain Cell Loss / -ma
Started by plexi50 |
4 Replies
4793 Views |
by plexi50 |
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Marshall pilot lamps
Started by Tiny_Daddy |
9 Replies
6347 Views |
by labb |
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converting 4-EL84 to KT66.
Started by dwp |
5 Replies
7656 Views |
by dwp |
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3 Replies
6068 Views |
by FYL |
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Headphones from speaker jack?
Started by dynaman1 |
5 Replies
5795 Views |
by dynaman1 |
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Sovtek Mig 60
Started by plexi50 |
14 Replies
11250 Views |
by The_Gaz |
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7 Replies
7996 Views |
by jjasilli |
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Fender Concert Blackface plate voltage
Started by chocopower |
3 Replies
5788 Views |
by JayB |
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'69 Marshall Head 6550 to EL34
Started by NannerPuddin |
1 Replies
4237 Views |
by jojokeo |
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voltage tolerance
Started by bnew63 |
17 Replies
9177 Views |
by RicharD |
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3 Replies
5035 Views |
by archaos |
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22 Replies
15911 Views |
by simonallaway |
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6 Replies
7272 Views |
by Ritchie200 |
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Totem Pole
Started by duke of earl |
16 Replies
10278 Views |
by duke of earl |
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6 Replies
11046 Views |
by Jack1962 |
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15 Replies
9965 Views |
by TubeGeek |
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6550 bias in ultraliniear connection
Started by Bub |
11 Replies
12113 Views |
by Bub |
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to drop voltage or not?
Started by bnew63 |
8 Replies
6296 Views |
by bnew63 |
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