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[Umlaut]

• Joe Davisson's Vulcan preamp by Umlaut
  [Today at 05:25:31 AM]
• Keelhauler MKII - a reasonably nice sounding preamp by Umlaut
  [Today at 05:18:41 AM]
• Randall RG100HT Weak Channel 1 by Randy Lahey
  [May 16, 2024, 12:20:37 PM]
• Repairing a Gibson G-105 Guitar Amp by DrGonz78
  [May 15, 2024, 11:01:19 PM]
• Marshall VS100R transistors by markorock37
  [May 15, 2024, 05:36:20 PM]

HH IC100 overheating BD711 transistor...help !

Started by bobster

Pages1 2 3 ... 5

Replies: 67
Views: 34,239

October 25, 2018, 10:10:50 AM
by bobster

Rod Elliott's Project 27 and Amp

Started by ghoshsubha444@gmail.com

Pages1 2 3 ... 5

Replies: 67
Views: 42,745

September 26, 2013, 02:08:23 PM
by Roly

Cheap LM1875 thread - who wants one? **All gone!**

Started by joecool85

Pages1 2 3 ... 5

Replies: 64
Views: 52,236

September 18, 2006, 08:38:20 PM
by joecool85

Marshall MG250DFX How does the DG212CJ function?

Started by Hawk

Pages1 2 3 ... 5

Replies: 63
Views: 34,428

February 22, 2015, 09:32:14 AM
by Hawk

Hughes and Kettner Warp 7 100W Head, Loud hum and no guitar sound until maxed

Started by batbob

Pages1 2 3 ... 5

Replies: 61
Views: 23,334

March 26, 2018, 06:52:45 AM
by phatt

Transformer identification resources(Line6 spider III)anyone got info on these?

Started by Zappacat

Pages1 2 3 ... 5

Replies: 60
Views: 57,127

July 22, 2010, 03:58:04 AM
by f_b_ilies

Fet version of Marshall Superlead Plexi

Started by KMG

Pages1 2 3 4

Replies: 57
Views: 44,727

February 14, 2011, 06:49:32 PM
by gbono

Marshall Valvestate 8100

Started by Hawk

Pages1 2 3 4

Replies: 55
Views: 34,346

March 27, 2015, 11:30:06 PM
by Enzo

Rocktron Rampage R80 - No Sound problem

Started by paolone

Pages1 2 3 4

Replies: 54
Views: 22,331

February 21, 2021, 04:17:06 PM
by paolone

Make it (the buzz) stop... please

Started by idle_chatterbox

Pages1 2 3 4

Replies: 52
Views: 37,033

September 07, 2006, 05:47:19 PM
by idle_chatterbox

1981 Roland Jazz Chorus 120 CH1 Problems - Solved

Started by substatica

Pages1 2 3 4

Replies: 52
Views: 22,530

September 29, 2016, 06:02:52 AM
by phatt

Randall RH100 issue

Started by Blacksack

Pages1 2 3 4

Replies: 51
Views: 40,526

May 03, 2015, 07:17:49 AM
by leeuwa

Fried Ampeg SVT-200T

Started by sewage666

Pages1 2 3 4

Replies: 51
Views: 31,474

February 08, 2019, 05:27:46 AM
by 66cccfff

Want to build a peavey bandit 112 redline or Randall RX120D

Started by kin0

Pages1 2 3 4

Replies: 51
Views: 35,581

December 26, 2010, 10:56:34 AM
by joecool85

Solid-state guitar amplifier history -thread

Started by teemuk

Pages1 2 3 4

Replies: 50
Views: 219,746

March 25, 2017, 12:15:05 PM
by J M Fahey

Polytone Taurus Elite amp low volume no schematic!

Started by EDWARDEFFECT1

Pages1 2 3 4

Replies: 50
Views: 35,447

October 02, 2013, 09:37:53 PM
by J M Fahey

Loud Community designed 9v battery powered amplifier.

Started by No6h

Pages1 2 3 4

Replies: 49
Views: 31,460

August 06, 2015, 03:54:16 AM
by phatt

first amp build - choice of pre-amp and some really stupid questions

Started by incurably_optimistic

Pages1 2 3 4

Replies: 49
Views: 22,238

July 27, 2016, 07:12:09 PM
by incurably_optimistic

Randall RG100 Head ... power loss

Started by kernalflagg

Pages1 2 3 4

Replies: 48
Views: 39,976

May 20, 2011, 04:23:50 AM
by J M Fahey

Need Help Repairing Pyle Guitar Amp after short circuit--only hums & pilot lite

Started by Roark

Pages1 2 3 4

Replies: 48
Views: 18,973

September 05, 2018, 01:43:01 PM
by g1