Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 03:29:07 am | ||
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MOVED: Listening probe questions
Started by Willabe |
0 Replies
3289 Views |
by Willabe |
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18 watt Hoffman Stout into 30 watt?
Started by Oddvar |
5 Replies
4219 Views |
by basschops1528 |
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Princeton Reverb Hiss and Hum
Started by dajazzman |
44 Replies
16423 Views |
by h4ck.b0x7 |
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17 Replies
9506 Views |
by Fresh_Start |
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AB763 White Noise & Hum
Started by h4ck.b0x7 |
43 Replies
16159 Views |
by h4ck.b0x7 |
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Questions about gage of wire.
Started by makingnoise88 |
20 Replies
10204 Views |
by HotBluePlates |
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Differences between pots
Started by MoparWade |
5 Replies
4170 Views |
by MoparWade |
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Bias shifts after playing
Started by osing |
9 Replies
8169 Views |
by Paul1453 |
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36 Replies
24150 Views |
by Ed_Chambley |
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1 Replies
4068 Views |
by shooter |
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Star Grounding Schemes
Started by turtle441 |
2 Replies
4300 Views |
by Fresh_Start |
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Effects of running 6.3V tubes with 5.5V?
Started by casssax |
10 Replies
11185 Views |
by casssax |
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Blues Junior transformer
Started by chrischris |
7 Replies
4929 Views |
by chrischris |
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Tube amp impedance question
Started by Guitarzan |
14 Replies
7955 Views |
by Guitarzan |
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AB763 Amp Build Problems
Started by h4ck.b0x7 |
11 Replies
4632 Views |
by h4ck.b0x7 |
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1 Replies
5234 Views |
by HotBluePlates |
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53 Replies
19043 Views |
by EL34 |
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Sudden loss of volume in Vibrolux
Started by macula56 |
18 Replies
7558 Views |
by macula56 |
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11 Replies
6043 Views |
by Shack |
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AC 30 replica
Started by Hargestbatman |
8 Replies
6140 Views |
by G._Hoffman |
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Wiring power transformer 5e3
Started by Oddvar |
4 Replies
4574 Views |
by sluckey |
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Failing Power supply Cap Question
Started by ncusack |
2 Replies
3791 Views |
by Colas LeGrippa |
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Noise/Distortion from my house
Started by willhugh |
4 Replies
3459 Views |
by willhugh |
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Bassman AB165 low level noise issue
Started by mresistor |
25 Replies
9616 Views |
by mresistor |
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MOVED: Flooding down in Texas
Started by tubenit |
0 Replies
3453 Views |
by tubenit |
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DIY optocoupler
Started by basschops1528 |
2 Replies
4436 Views |
by eleventeen |
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DSL50 Heater Problems
Started by dpm309 |
3 Replies
3179 Views |
by pompeiisneaks |
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67 Pro Verb - Sound Check
Started by p2pAmps |
38 Replies
12527 Views |
by mresistor |
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Kalamazoo Model Two problem
Started by mresistor |
15 Replies
5877 Views |
by mresistor |
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motorboating ?
Started by shooter |
11 Replies
4548 Views |
by shooter |
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32 Replies
11654 Views |
by Voxacthirtee |
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11 Replies
6262 Views |
by pnadora |
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what problem of my ac30
Started by kwm488 |
11 Replies
5989 Views |
by sluckey |
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Doug's 5F6A Bassman Build
Started by pompeiisneaks |
25 Replies
8132 Views |
by pompeiisneaks |
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3 Replies
3976 Views |
by Whiskeyzipper |
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My new faceplate
Started by p2pAmps |
9 Replies
4690 Views |
by p2pAmps |
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13 Replies
11647 Views |
by Paul1453 |
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transformer position and oscillation
Started by alange5 |
5 Replies
4847 Views |
by PRR |
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5E3 in a PR Chassis
Started by p2pAmps |
19 Replies
6638 Views |
by p2pAmps |
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Princeton Reverb Trem issues
Started by ratgon |
11 Replies
4476 Views |
by HotBluePlates |
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Prototyping Help
Started by ratgon |
9 Replies
4508 Views |
by HotBluePlates |
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8 Replies
5960 Views |
by sean_thornton |
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PT Hack .... is this possible ?
Started by kagliostro |
9 Replies
4486 Views |
by kagliostro |
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69 Replies
20714 Views |
by Paul1453 |
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10 Replies
5120 Views |
by pnadora |
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Added bias pot to Pignose G60VR Tube Combo
Started by JML |
0 Replies
4523 Views |
by JML |
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cathode resistor
Started by EKDENTON |
2 Replies
2890 Views |
by EKDENTON |
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16 Replies
10554 Views |
by Mike_J |
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Marshall 1959/2203 preamp build questions
Started by Rp3703 |
6 Replies
4478 Views |
by Ritchie200 |
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10 Replies
6248 Views |
by HotBluePlates |
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