Welcome To the Hoffman Amplifiers Forum
September 08, 2026, 11:25:09 am
Welcome To the Hoffman Amplifiers ForumSeptember 08, 2026, 11:25:09 am | ||
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| 0 Members and 10 Guests are viewing this board. | ||||
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DIY IC based Guitar preamp PCB
Started by TIMBO |
0 Replies
13825 Views |
September 23, 2023, 09:10:37 pmby TIMBO |
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Died while sitting on the bench
Started by rake |
3 Replies
18524 Views |
September 21, 2023, 07:48:22 am by James_Wildart |
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Radio Shack 40Watt PA for Guitar Amp?
Started by Platefire |
0 Replies
13039 Views |
September 15, 2023, 01:02:27 pm by Platefire |
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Adding Master Volume To SS Amp
Started by surkis_magurkis |
6 Replies
17307 Views |
August 02, 2023, 02:09:53 pm by surkis_magurkis |
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Fender Deluxe 85 reverb issue
Started by Apexelectric |
31 Replies
27007 Views |
April 13, 2023, 06:02:34 pm by Apexelectric |
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Most important job of the year!
Started by rake |
1 Replies
15660 Views |
April 13, 2023, 05:57:13 pm by rake |
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Mackie 220w Power supply
Started by rake |
0 Replies
13002 Views |
April 10, 2023, 11:35:52 am by rake |
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Fender bassman sp3100
Started by AlNewman |
1 Replies
12872 Views |
April 02, 2023, 09:00:03 pm by AlNewman |
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Sphere EQ 920 diodes
Started by Willabe |
5 Replies
16943 Views |
March 11, 2023, 11:07:49 am by Willabe |
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Traynor monoblock 2
Started by AlNewman |
6 Replies
22595 Views |
February 27, 2023, 03:31:51 pm by AlNewman |
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13 Replies
14531 Views |
January 09, 2023, 11:01:32 pm by Platefire |
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Music Man HD-130 oscillation
Started by Apexelectric |
4 Replies
10561 Views |
January 06, 2023, 09:49:54 am by Apexelectric |
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2 Replies
11220 Views |
October 03, 2022, 03:10:33 pm by goldstache |
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GK MB200 Cooling Fan Issues
Started by dpm309 |
3 Replies
12296 Views |
October 01, 2022, 05:00:23 pm by dpm309 |
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2 Replies
11897 Views |
August 16, 2022, 05:38:40 pm by PRR |
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8 Replies
15164 Views |
August 13, 2022, 06:58:40 am by spunko |
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GK 600 Backline Losing Power
Started by dpm309 |
2 Replies
11195 Views |
August 12, 2022, 04:04:31 pm by dpm309 |
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Univox UB-250: Taming the "hiss"
Started by BluegrassDan |
6 Replies
12598 Views |
April 18, 2022, 09:36:54 am by thetragichero |
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Fender frontman 25R 220V tranny
Started by Colas LeGrippa |
5 Replies
11066 Views |
April 15, 2022, 07:49:09 pm by PRR |
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Session Rockette 30 Repair Questions
Started by Rontone |
21 Replies
18905 Views |
March 25, 2022, 01:07:31 pm by Rontone |
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4 Replies
11037 Views |
March 16, 2022, 09:51:10 am by Rontone |
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Moore's law has hit the wall
Started by shooter |
14 Replies
14025 Views |
March 14, 2022, 12:28:31 pm by PRR |
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SWR Bass Amp Popping on Power Up
Started by dpm309 |
3 Replies
13141 Views |
March 12, 2022, 10:46:30 am by dpm309 |
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Power Transformer Help
Started by smackoj |
11 Replies
14307 Views |
March 11, 2022, 08:35:53 am by smackoj |
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Very stable 9VDC supply
Started by Colas LeGrippa |
11 Replies
12848 Views |
March 03, 2022, 10:36:06 am by Colas LeGrippa |
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Hiwatt Bulldog 30r Which fuse is right?
Started by frank57 |
1 Replies
11003 Views |
March 02, 2022, 07:16:57 am by uki |
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channel switching with dual op-amp
Started by 961le |
17 Replies
12956 Views |
February 26, 2022, 11:30:00 am by 961le |
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Noisy power supply
Started by Colas LeGrippa |
14 Replies
13167 Views |
February 08, 2022, 07:23:20 pm by Colas LeGrippa |
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Crowncorder CTR5300
Started by uki |
3 Replies
8399 Views |
January 26, 2022, 06:14:17 am by uki |
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GIA20G(U65G) low volume noise
Started by uki |
33 Replies
24652 Views |
January 20, 2022, 02:31:58 pm by uki |
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Sealing stuff
Started by Colas LeGrippa |
13 Replies
11169 Views |
January 01, 2022, 11:14:16 pm by Colas LeGrippa |
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GK800RB blowing fuses
Started by Garrett335 |
8 Replies
10376 Views |
December 12, 2021, 10:51:53 am by shooter |
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Washburn VGA30 Humming
Started by dpm309 |
4 Replies
8932 Views |
November 21, 2021, 10:58:29 am by dpm309 |
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Washburn sx 30r service manual
Started by Tommynz195 |
1 Replies
9849 Views |
November 21, 2021, 12:10:04 am by PRR |
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2 Replies
8857 Views |
October 16, 2021, 09:44:13 pm by acheld |
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12 Replies
14423 Views |
October 02, 2021, 02:54:23 am by BullyBeef |
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My CLONE of a Marshall Lead 12 amp
Started by jojokeo |
10 Replies
20074 Views |
September 16, 2021, 07:03:19 pm by baerster |
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Power SS circuit from AC Bias tap
Started by tmknight |
12 Replies
12223 Views |
September 05, 2021, 03:39:39 pm by PRR |
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Amp distorting problem
Started by john121 |
3 Replies
9962 Views |
April 29, 2021, 12:04:27 am by john121 |
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2G374 PNP transistor replacement.
Started by FranciscoPerez |
14 Replies
19886 Views |
April 10, 2021, 12:39:20 am by PRR |
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HH Electronic IC-100
Started by TIMBO |
5 Replies
12910 Views |
March 21, 2021, 01:30:31 am by TIMBO |
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Tubetown relay kit
Started by chocopower |
4 Replies
9562 Views |
January 17, 2021, 04:53:35 pm by chocopower |
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Standel Artist
Started by DummyLoad |
1 Replies
9720 Views |
January 05, 2021, 08:48:37 am by shooter |
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25 Replies
22245 Views |
December 15, 2020, 12:23:48 am by thetragichero |
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Fender m80 4x12
Started by Stevendean18 |
2 Replies
10544 Views |
September 26, 2020, 05:48:45 am by Latole |
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Sluckey Inspired MOSFET Tremolo
Started by 2deaf |
11 Replies
17362 Views |
August 06, 2020, 09:48:49 am by finkaudio |
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Fender Keyboard Amp Buzzing
Started by dpm309 |
12 Replies
13385 Views |
July 08, 2020, 06:32:28 pm by dpm309 |
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Trace Elliot TA60CR
Started by dpm309 |
14 Replies
14213 Views |
June 29, 2020, 01:26:59 pm by dpm309 |
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5 Replies
9860 Views |
April 25, 2020, 01:09:59 am by PRR |
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Upgrade Dcavers
Started by shooter |
25 Replies
16183 Views |
April 16, 2020, 05:25:59 pm by shooter |
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