Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 07:02:00 pm | ||
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LCR 50-50 uf electrolytic
Started by Oddvar |
1 Replies
2040 Views |
by DummyLoad |
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Hoffman 5E3 12A type jack for Speaker. ?
Started by Ross |
4 Replies
2827 Views |
by Ross |
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Re: Hoffman Plexi50 Turret Board
Started by Hellawatt |
8 Replies
3466 Views |
by Hellawatt |
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16 Replies
5073 Views |
by zapped |
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POWER SUPPLY QUESTION
Started by Colas LeGrippa |
5 Replies
2747 Views |
by Colas LeGrippa |
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Causes of ghost notes and a stubborn Magnatone 421
Started by Evergreen |
7 Replies
3845 Views |
by Evergreen |
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13 Replies
4541 Views |
by HotBluePlates |
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1 Replies
2172 Views |
by sluckey |
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Loud hum on 5f6a build
Started by ab764 |
14 Replies
4126 Views |
by ab764 |
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Old Bassman Cabinet for new Project
Started by basschops1528 |
2 Replies
2886 Views |
by Paul1453 |
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0 Replies
1946 Views |
by hopkinWFG |
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Lower B+ options
Started by basschops1528 |
4 Replies
3212 Views |
by HotBluePlates |
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7 Replies
2926 Views |
by smackoj |
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B+ and plate voltage relationship
Started by TIMBO |
8 Replies
8077 Views |
by TIMBO |
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40 Replies
8620 Views |
by sean_thornton |
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MOVED: Listening probe questions
Started by Willabe |
0 Replies
2104 Views |
by Willabe |
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18 watt Hoffman Stout into 30 watt?
Started by Oddvar |
5 Replies
2840 Views |
by basschops1528 |
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Princeton Reverb Hiss and Hum
Started by dajazzman |
44 Replies
12844 Views |
by h4ck.b0x7 |
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17 Replies
7281 Views |
by Fresh_Start |
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AB763 White Noise & Hum
Started by h4ck.b0x7 |
43 Replies
13229 Views |
by h4ck.b0x7 |
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Questions about gage of wire.
Started by makingnoise88 |
20 Replies
7650 Views |
by HotBluePlates |
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Differences between pots
Started by MoparWade |
5 Replies
2833 Views |
by MoparWade |
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Bias shifts after playing
Started by osing |
9 Replies
6471 Views |
by Paul1453 |
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36 Replies
20453 Views |
by Ed_Chambley |
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1 Replies
2759 Views |
by shooter |
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Star Grounding Schemes
Started by turtle441 |
2 Replies
2761 Views |
by Fresh_Start |
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Effects of running 6.3V tubes with 5.5V?
Started by casssax |
10 Replies
9254 Views |
by casssax |
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Blues Junior transformer
Started by chrischris |
7 Replies
3266 Views |
by chrischris |
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Tube amp impedance question
Started by Guitarzan |
14 Replies
6084 Views |
by Guitarzan |
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AB763 Amp Build Problems
Started by h4ck.b0x7 |
11 Replies
3281 Views |
by h4ck.b0x7 |
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1 Replies
3688 Views |
by HotBluePlates |
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53 Replies
15757 Views |
by EL34 |
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Sudden loss of volume in Vibrolux
Started by macula56 |
18 Replies
5855 Views |
by macula56 |
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11 Replies
4126 Views |
by Shack |
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AC 30 replica
Started by Hargestbatman |
8 Replies
4553 Views |
by G._Hoffman |
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Wiring power transformer 5e3
Started by Oddvar |
4 Replies
3196 Views |
by sluckey |
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Failing Power supply Cap Question
Started by ncusack |
2 Replies
2444 Views |
by Colas LeGrippa |
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Noise/Distortion from my house
Started by willhugh |
4 Replies
2265 Views |
by willhugh |
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Bassman AB165 low level noise issue
Started by mresistor |
25 Replies
7802 Views |
by mresistor |
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MOVED: Flooding down in Texas
Started by tubenit |
0 Replies
2120 Views |
by tubenit |
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DIY optocoupler
Started by basschops1528 |
2 Replies
3270 Views |
by eleventeen |
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DSL50 Heater Problems
Started by dpm309 |
3 Replies
2146 Views |
by pompeiisneaks |
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67 Pro Verb - Sound Check
Started by p2pAmps |
38 Replies
9720 Views |
by mresistor |
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Kalamazoo Model Two problem
Started by mresistor |
15 Replies
4309 Views |
by mresistor |
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motorboating ?
Started by shooter |
11 Replies
3310 Views |
by shooter |
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32 Replies
9272 Views |
by Voxacthirtee |
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11 Replies
4687 Views |
by pnadora |
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what problem of my ac30
Started by kwm488 |
11 Replies
4580 Views |
by sluckey |
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Doug's 5F6A Bassman Build
Started by pompeiisneaks |
25 Replies
6215 Views |
by pompeiisneaks |
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3 Replies
2998 Views |
by Whiskeyzipper |
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