Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:50 pm | ||
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caps in series or parallel
Started by 12AX7 |
5 Replies
5024 Views |
by Colas LeGrippa |
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9 Replies
6514 Views |
by HotBluePlates |
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Can i use 1/2 watt?
Started by 12AX7 |
11 Replies
6959 Views |
by 12AX7 |
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NFB necessary in SE amp?
Started by John |
36 Replies
16202 Views |
by PRR |
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New Original Design, any advice welcome
Started by tdvt |
12 Replies
6258 Views |
by tdvt |
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Bassman 70 project
Started by jjackson7 |
20 Replies
10527 Views |
by jjackson7 |
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MOVED: New project - Rack ReVibe
Started by EL34 |
0 Replies
2848 Views |
by EL34 |
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220 Volt Main Transformer
Started by plexi50 |
5 Replies
4275 Views |
by plexi50 |
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RCA BA11 / GE 4BA1 Racking Project
Started by RicharD |
1 Replies
3609 Views |
by PRR |
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Shielding in a head cabinet
Started by six el six |
9 Replies
7202 Views |
by six el six |
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3 Replies
3967 Views |
by kagliostro |
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Guild Superstar Amplifier
Started by Otis |
1 Replies
4050 Views |
by The_Gaz |
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2C51/396A as a guitar preamp tube
Started by mls |
6 Replies
7947 Views |
by HotBluePlates |
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100 Replies
34926 Views |
by tubenit |
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low voltages all round
Started by bakerlite |
5 Replies
5054 Views |
by stratele52 |
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6 Replies
6543 Views |
by HotBluePlates |
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7 Replies
7059 Views |
by Willabe |
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13 Replies
8493 Views |
by kagliostro |
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5 Replies
3849 Views |
by Tiny_Daddy |
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2 Replies
7056 Views |
by jeff |
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Eastern Amplifier 6V6, 6LS7, 6X5 potential
Started by SIG |
15 Replies
11540 Views |
by SIG |
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Hoffman AB763 bias trem- missing cap?
Started by tdvt |
3 Replies
3993 Views |
by EL34 |
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Unknow O.T. Check my maths.
Started by chocopower |
2 Replies
3002 Views |
by chocopower |
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RE-Vibe for line level use
Started by nateflanigan |
11 Replies
5973 Views |
by spacelabstudio |
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Epiphone Valve Standard
Started by Tiny_Daddy |
4 Replies
5851 Views |
by Tiny_Daddy |
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AC30 CCH help
Started by J Rindt |
15 Replies
8593 Views |
by kagliostro |
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Princeton Head Build
Started by Ed_Chambley |
14 Replies
7490 Views |
by Ed_Chambley |
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15 Replies
7627 Views |
by danger-russ |
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Bias Reading/Adjustment Questions
Started by Platefire |
35 Replies
15508 Views |
by PRR |
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Jensen F12NS field coil speaker in an instrument amp?
Started by chuggy |
1 Replies
4701 Views |
by bigsbybender |
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Traynor Tonestacks
Started by plexi50 |
5 Replies
4382 Views |
by jjasilli |
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18 watt PT filament windings
Started by panhead |
15 Replies
8492 Views |
by Willabe |
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First Build Ideas
Started by jjackson7 |
20 Replies
9540 Views |
by Willabe |
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PLEXI + HOTSWITCH
Started by rzenc |
9 Replies
4999 Views |
by rzenc |
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MOVED: So how's your Friday?
Started by EL34 |
0 Replies
2657 Views |
by EL34 |
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Estimating G2 current
Started by rzenc |
4 Replies
4384 Views |
by rzenc |
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Need some 5f6a build advice, please
Started by schoolie |
19 Replies
9553 Views |
by steven |
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6 Replies
7322 Views |
by thelonious |
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There is an 1/2 12au7 tube ?
Started by kagliostro |
2 Replies
3970 Views |
by kagliostro |
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Fender's new pawn shop amps...
Started by TubeGeek |
12 Replies
6663 Views |
by phsyconoodler |
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Power tube substitution.
Started by zapped |
1 Replies
3421 Views |
by bigsbybender |
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What Causes Radio Interference?
Started by blown240 |
10 Replies
6496 Views |
by Willabe |
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OT question
Started by 12AX7 |
6 Replies
5773 Views |
by Willabe |
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biasing bogen receiver
Started by embotone |
2 Replies
4040 Views |
by embotone |
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18 Watt Questions
Started by jeff |
23 Replies
14244 Views |
by Willabe |
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Lowering B+
Started by dude |
7 Replies
8430 Views |
by stratele52 |
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Tracing a buzz?
Started by 12AX7 |
14 Replies
10700 Views |
by stratele52 |
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12 Replies
8057 Views |
by PRR |
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some pot questions
Started by 12AX7 |
31 Replies
16738 Views |
by stratele52 |
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Odd noises in my amp...
Started by Mostro |
10 Replies
6916 Views |
by Mostro |
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