Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 03:43:40 pm | ||
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Slow click on/off switch
Started by super&plexi |
2 Replies
2448 Views |
by jojokeo |
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High Power Champ
Started by plaidzebra |
21 Replies
13174 Views |
by shooter |
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8 Replies
5357 Views |
by FranciscoPerez |
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10 Replies
5019 Views |
by Zedman |
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4 Replies
3872 Views |
by sluckey |
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low wattage el34 amp
Started by blindopher « 1 2 » |
51 Replies
22802 Views |
by Paul1453 |
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12 Replies
5064 Views |
by Ed_Chambley |
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100 Watt Build
Started by hesamadman « 1 2 » |
51 Replies
13244 Views |
by Paul1453 |
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3 Replies
3654 Views |
by PRR |
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Silver Mica vs Ceramic caps for treble?
Started by markmalin |
13 Replies
15868 Views |
by FranciscoPerez |
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Rectifier Tubes-Pros and Cons
Started by basschops1528 |
26 Replies
12929 Views |
by Paul1453 |
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1 Replies
2390 Views |
by PRR |
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6L6 Question
Started by Paul1453 |
16 Replies
4569 Views |
by Paul1453 |
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Channel Switching
Started by hesamadman |
1 Replies
2523 Views |
by hesamadman |
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Rectifier Tube Chart/Cross Reference
Started by Justa |
8 Replies
16325 Views |
by Justa |
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low frequency hum solved
Started by Colas LeGrippa |
1 Replies
4188 Views |
by HotBluePlates |
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77 Replies
20575 Views |
by p2pAmps |
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3 Replies
2782 Views |
by Colas LeGrippa |
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13 Replies
11026 Views |
by HotBluePlates |
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ESR Meter Screen of Old Capacitors
Started by Justa |
2 Replies
2435 Views |
by Justa |
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4 Replies
2685 Views |
by Papa Jim |
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Bias Tap on PT?
Started by Clear Guy |
20 Replies
8286 Views |
by drgonzonm |
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output tranny suggestion
Started by ernie_jr |
3 Replies
2445 Views |
by drgonzonm |
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Pictures for AB763 Builders
Started by p2pAmps |
3 Replies
2286 Views |
by kagliostro |
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6 Replies
3716 Views |
by TubeGeek |
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Supro 1965t
Started by mayburyds |
0 Replies
2169 Views |
by mayburyds |
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10 Replies
5725 Views |
by Glennjeff |
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Finished Amp/hum issue!
Started by basschops1528 « 1 2 » |
65 Replies
15373 Views |
by pompeiisneaks |
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17 Replies
5311 Views |
by Papa Jim |
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53 Replies
13126 Views |
by markmalin |
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Kay 703 safety revisited
Started by mresistor |
10 Replies
5428 Views |
by mresistor |
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6 Replies
3474 Views |
by Clear Guy |
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10 Replies
4422 Views |
by PRR |
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9 Replies
4320 Views |
by Ambugaton |
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7 Replies
3242 Views |
by G._Hoffman |
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1974 Super Reverb
Started by mresistor |
14 Replies
5465 Views |
by mresistor |
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Sunn Spectrum Voltages
Started by Hellawatt |
11 Replies
5127 Views |
by SoundmasterG |
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Grid Stoppers for KT66s
Started by p2pAmps |
17 Replies
6675 Views |
by tubenit |
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4 Replies
3210 Views |
by fingersoccer |
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New build, choked up?
Started by CraigB |
27 Replies
7933 Views |
by CraigB |
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7 Replies
3036 Views |
by nateflanigan |
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2 Replies
2143 Views |
by dbroekema |
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Prince Royal schematic
Started by Blind Lemon |
19 Replies
4966 Views |
by Blind Lemon |
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Can someone tell me what this is?
Started by silat |
21 Replies
5334 Views |
by silat |
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12 Replies
4991 Views |
by jojokeo |
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Not having exact resistor values
Started by pbman1953 |
5 Replies
3279 Views |
by pbman1953 |
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35-watts from 2 Tubes?
Started by jbefumo |
22 Replies
8445 Views |
by kagliostro |
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4 Replies
3869 Views |
by kagliostro |
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SS driven OTs?
Started by Paul1453 |
14 Replies
4797 Views |
by HotBluePlates |
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12 Replies
10181 Views |
by leevc5 |
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