Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 07:47:37 am | ||
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3 Replies
3371 Views |
by DrewB |
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Vintage Ampeg V4/V22 resoration
Started by vampwizzard |
5 Replies
3531 Views |
by TubeGeek |
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Bassman 100 Recommendations
Started by sjwood3 |
17 Replies
7853 Views |
by Willabe |
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5 Replies
3419 Views |
by sluckey |
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Output transformer impedance
Started by TurboGuitarMelton |
27 Replies
13921 Views |
by shooter |
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16 Replies
6902 Views |
by bclemons76 |
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Silver tone 1396
Started by Big chief |
9 Replies
4317 Views |
by Big chief |
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6l6 pin 3 voltage swing?
Started by jammied |
5 Replies
4122 Views |
by jammied |
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Bias range not cold enough
Started by Sansteeth |
13 Replies
6929 Views |
by HotBluePlates |
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79 deluxe reverb bias cap question
Started by British1011 |
10 Replies
4716 Views |
by British1011 |
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Sans Fx loop wiring change
Started by daveyajd |
4 Replies
3259 Views |
by daveyajd |
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Stacked cap & resistor question
Started by CordovaNate |
14 Replies
5176 Views |
by shooter |
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Breaking NFB connection - BF Princeton
Started by jordan86 |
11 Replies
5196 Views |
by mresistor |
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2 Replies
3045 Views |
by Willabe |
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6l6 Princeton Reverb How Loud?
Started by Wanabejimi |
7 Replies
5040 Views |
by Wanabejimi |
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11 Replies
5270 Views |
by sluckey |
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Rescued Gibson BR-6 from Barn
Started by yorgle |
47 Replies
11893 Views |
by yorgle |
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BFDRRI low current
Started by AxeAmpTN |
19 Replies
7126 Views |
by HotBluePlates |
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Trem-o-nator on-off relay switch
Started by tubenit |
10 Replies
5296 Views |
by shooter |
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6G16 Vibroverb - Thunderstorm noise
Started by Elad |
28 Replies
9815 Views |
by Elad |
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Transistor equivalents?
Started by Searing |
28 Replies
8990 Views |
by Searing |
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62 Replies
17006 Views |
by Cramer1 |
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Schematic for 6CW5/EL86 amp?
Started by AmberB |
15 Replies
12462 Views |
by AmberB |
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19 Replies
8176 Views |
by bnwitt |
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Silverface champ biasing hot
Started by texwest |
21 Replies
9273 Views |
by Latole |
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Firefly build
Started by ShoemanGB |
0 Replies
3258 Views |
by ShoemanGB |
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Treble control
Started by VintageAmps |
8 Replies
4053 Views |
by VintageAmps |
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33 Replies
19845 Views |
by helloraph |
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Proper connection for volume control?
Started by AmberB |
3 Replies
3251 Views |
by AmberB |
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1 Replies
2654 Views |
by sluckey |
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Vibrato Control vs Pedal
Started by jordan86 |
4 Replies
3318 Views |
by sluckey |
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AB763 One channel schematic question
Started by acheld |
5 Replies
3932 Views |
by sluckey |
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6 Replies
4086 Views |
by anteriorl5 |
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Ampeg B15-NF restoration project
Started by Dave Moberg |
39 Replies
11269 Views |
by Dave Moberg |
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Old Bronson Amp
Started by Big chief |
1 Replies
3094 Views |
by bmccowan |
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DIY 2204 negative DC voltage on grid of preamp tube
Started by jasonvilla « 1 2 3 » |
118 Replies
34676 Views |
by jasonvilla |
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4 Replies
3943 Views |
by Latole |
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1978 JMP 2204 Input Question
Started by dunner84 |
2 Replies
2628 Views |
by Latole |
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Voltages on vintage tube amps
Started by VintageAmps |
8 Replies
5197 Views |
by VintageAmps |
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62 Replies
25690 Views |
by Baptiste |
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Three wire choke
Started by Sonny ReVerb |
6 Replies
4485 Views |
by Latole |
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Gibson clone
Started by tobyk |
10 Replies
3733 Views |
by PRR |
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3 Replies
4028 Views |
by MWaldorf |
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Low heater voltage?
Started by daveyajd |
38 Replies
12910 Views |
by Latole |
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Silvertone 1484 - Channel 2 Hum
Started by scstill |
12 Replies
5887 Views |
by sluckey |
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Mystery Vintage amp
Started by Raybob |
10 Replies
3714 Views |
by DummyLoad |
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21 Replies
6500 Views |
by luthierwnc |
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38 Replies
13472 Views |
by passaloutre |
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New 5F6A build, Low unloaded B+
Started by CascoSieg |
5 Replies
3648 Views |
by CascoSieg |
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grid leak resistor
Started by isaac_teller |
3 Replies
2569 Views |
by isaac_teller |
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