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[Randy Lahey]

• Randall RG100HT Weak Channel 1 by Randy Lahey
  [Today at 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]
• Hartke A35 Repair problems by g1
  [May 15, 2024, 02:44:36 PM]
• Mesa Dual Rectifier by DrGonz78
  [May 14, 2024, 06:26:53 PM]

Tubes do not warm up. No sound out of amp.

Started by mexidan

Pages1 2

Replies: 16
Views: 13,354

November 10, 2010, 09:25:32 PM
by JacksenC

DIY Randall rg 100 "preamp from hell"

Started by Charliegriffin

Pages1 2

Replies: 16
Views: 13,129

August 29, 2016, 07:29:48 PM
by Charliegriffin

Yamaha G-100 bluesy pedal?

Started by Scoticus

Pages1 2

Replies: 16
Views: 11,017

July 24, 2012, 11:26:58 AM
by Scoticus

Transistors vs. op amps vs. ICs - what's best for SS DIY guitar tinkering?

Started by UsableThought

Pages1 2

Replies: 16
Views: 14,160

February 04, 2016, 08:30:33 AM
by voltwide

Wiring 2 speakers for 4/8/16 ohms switchable?

Started by mattilla

Pages1 2

Replies: 15
Views: 15,241

October 25, 2015, 09:58:42 AM
by galaxiex

How to define the output impedance of a gainstage?

Started by Rutger

Pages1 2

Replies: 15
Views: 11,931

August 04, 2012, 08:12:06 AM
by Roly

Choosing caps

Started by RC cola

Pages1 2

Replies: 15
Views: 10,412

September 28, 2011, 08:22:05 AM
by joecool85

Velleman Kit 4001

Started by flester

Pages1 2

Replies: 15
Views: 12,441

February 11, 2018, 02:45:41 PM
by flester

Simple, Solid and Loud (First Amp Build)

Started by PeteTLT

Pages1 2

Replies: 15
Views: 11,039

September 24, 2012, 09:30:42 PM
by J M Fahey

Carvin sx amp build

Started by smsuryan

Pages1 2

Replies: 15
Views: 15,426

December 29, 2023, 04:33:55 AM
by Tassieviking

Fender 85 Issues - No sound sort of...UPDATE - No Power

Started by edjohansson

Pages1 2

Replies: 15
Views: 10,378

November 21, 2017, 01:59:40 AM
by DrGonz78

Park G10 Turns On, but No Sound

Started by noynek

Pages1 2

Replies: 15
Views: 15,563

March 21, 2018, 02:35:05 AM
by indianmike

Hello all. New guy from Florida.

Started by Amp

Pages1 2

Replies: 15
Views: 9,903

April 01, 2013, 10:41:15 PM
by Roly

Sourcing 1980's Yamaha G100 replacement pots

Started by gastric

Pages1 2

Replies: 15
Views: 7,656

April 24, 2023, 03:49:48 PM
by gastric

A great find today

Started by Bajaguy

Pages1 2

Replies: 15
Views: 11,787

May 17, 2013, 11:06:52 PM
by Bajaguy

gutting a Johnson std/rep tone 15

Started by elnonio

Pages1 2

Replies: 15
Views: 13,084

March 24, 2009, 12:47:50 PM
by J M Fahey

Help with power supply for a TDA2030 amp

Started by luckett

Pages1 2

Replies: 15
Views: 15,905

March 14, 2012, 07:29:32 PM
by luckett

Solid state troubleshooting

Started by faloon

Replies: 14
Views: 14,365

July 11, 2013, 08:37:02 PM
by Roly

Fender Champion Blinking Power Light

Started by brash1952

Replies: 14
Views: 17,163

October 10, 2019, 01:52:22 AM
by Jazz P Bass

BIANCHI mustard capacitors for Marshall.

Started by vmed_cha_gr

Replies: 14
Views: 19,463

November 01, 2012, 09:30:11 PM
by J M Fahey