Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 07:33:35 pm | ||
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Refurbishing a Peavey Artist 240
Started by olliu |
6 Replies
3966 Views |
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Input resistance measurements
Started by Mr.Death |
12 Replies
3607 Views |
![]() by pdf64 |
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22 Replies
5312 Views |
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Reverb drivers transformers
Started by Bieworm |
1 Replies
1975 Views |
![]() by thetragichero |
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28 Replies
5167 Views |
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Which preamps?
Started by maltikeks |
12 Replies
3500 Views |
![]() by Williamblake |
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Where Does the Signal Go?
Started by clyde |
6 Replies
2447 Views |
![]() by pdf64 |
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12AT7 Single ended
Started by walkman |
7 Replies
3218 Views |
![]() by PRR |
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Bias Voltage Issue
Started by imgumby001 |
10 Replies
3185 Views |
![]() by imgumby001 |
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5w amp scheme with reverb?
Started by rafaelctt |
45 Replies
9227 Views |
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15 Replies
4703 Views |
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5E3 with Pre and PI series heater wiring
Started by scstill |
1 Replies
2082 Views |
![]() by pdf64 |
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Tube Guitar Preamp with a Chip Amp
Started by dbishopbliss |
7 Replies
3897 Views |
![]() by dbishopbliss |
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Master volume on Musicmaster amp
Started by isaac_teller |
9 Replies
3429 Views |
![]() by PRR |
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My Vox Ac15 playing
Started by rafaelctt |
32 Replies
5956 Views |
![]() by rafaelctt |
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19 Replies
6054 Views |
![]() by jacobarber |
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6G16 Build
Started by p2pAmps |
3 Replies
2086 Views |
![]() by bmccowan |
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2 Replies
2098 Views |
![]() by kagliostro |
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Gibson GA-8
Started by Leevi |
9 Replies
5318 Views |
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How to make my amp safe (shock)
Started by 12AX7 |
16 Replies
4581 Views |
![]() by PRR |
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Harmonic tremolo noise issue
Started by Esquirefreak |
7 Replies
2730 Views |
![]() by Esquirefreak |
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Cliff style jack on new amp build
Started by JPK |
10 Replies
4268 Views |
![]() by JPK |
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12 Replies
6693 Views |
![]() by Tone Junkie |
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120hz hum only in phase inverter
Started by thetragichero |
37 Replies
7298 Views |
![]() by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
3842 Views |
![]() by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
3889 Views |
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G3 to ground
Started by knebiter |
3 Replies
1957 Views |
![]() by PRR |
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DR One-channel - No Reverb
Started by Lectroid |
15 Replies
3853 Views |
![]() by Lectroid |
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type of potentiometers
Started by rafaelctt |
4 Replies
2828 Views |
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4 Replies
3228 Views |
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Coupling capacitors for V1 V2.
Started by Mr.Death |
11 Replies
4262 Views |
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14 Replies
3278 Views |
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Ward Airline GIM 9171A
Started by BruceWA |
4 Replies
2537 Views |
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Rickenbacker M12 Schematic
Started by dpm309 |
4 Replies
2447 Views |
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10 Replies
4430 Views |
![]() by 12AX7 |
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5e3 Hoffman Layout build issue
Started by Rafiote |
7 Replies
2581 Views |
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2 Replies
2434 Views |
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28 Replies
5457 Views |
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144 Replies
27228 Views |
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11 Replies
3289 Views |
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B15N Preamp DI layout
Started by Jatchley |
7 Replies
6070 Views |
![]() by sluckey |
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1 Replies
3214 Views |
![]() by Lectroid |
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83 Replies
24709 Views |
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Circuit switching
Started by Zenabi |
5 Replies
2269 Views |
![]() by Zenabi |
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Question about bias resistors
Started by Mr.Death |
16 Replies
4099 Views |
![]() by sluckey |
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Ampeg tranny black cover epxy
Started by Colas LeGrippa |
7 Replies
2897 Views |
![]() by vampwizzard |
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I wonder if this is normal...
Started by Bieworm |
1 Replies
1863 Views |
![]() by sluckey |
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5f1 Champ with a master Volume
Started by silat |
24 Replies
8167 Views |
![]() by silat |
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6G15 with Tremolo
Started by Leevi |
26 Replies
5757 Views |
![]() by ac427v |
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The Eris 18 Amplifier
Started by darryl |
14 Replies
6188 Views |
![]() by Cliff Rogers |
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