Troubleshooting Problems

Front panel don´t work

Started by kserri

Replies: 5
Views: 5,080

January 30, 2015, 04:21:33 AM
by rnolan

Gain drop

Started by Richie_B

Pages1 2

Replies: 17
Views: 8,821

July 12, 2016, 07:22:55 AM
by MarshallJMP

Got noise???

Started by Dante

Replies: 7
Views: 5,871

January 15, 2018, 12:27:21 AM
by rabidgerry

Ground hum noise

Started by dave_daut

Replies: 5
Views: 4,890

April 08, 2014, 08:45:59 AM
by rnolan

Help with MC-1

Started by Wimbish

Replies: 12
Views: 6,502

February 01, 2018, 04:44:14 AM
by rnolan

Help with mp1 - low distortion and "sputtering"

Started by Cstecker

Replies: 13
Views: 8,553

February 27, 2017, 03:58:07 PM
by Harley Hexxe

Hum and Crack on DIST mode

Started by Jonar

Replies: 3
Views: 4,024

August 31, 2014, 01:28:19 PM
by MarshallJMP

Latency with SPX90

Started by Chip Roberts

Replies: 13
Views: 5,616

July 01, 2020, 03:07:40 AM
by rnolan

LED Issue MP1

Started by Mojave

Replies: 4
Views: 3,992

December 31, 2023, 12:47:45 PM
by Mojave

Light went out on MP-2 display

Started by Ekornbakke

Replies: 2
Views: 3,740

November 19, 2014, 05:22:06 AM
by rnolan

Low Volume & Unpleasant Distortion in one output channel.

Started by Auntie Ada

Replies: 9
Views: 7,282

July 29, 2015, 02:26:50 PM
by MarshallJMP

MB-1 Error Messages

Started by kawai2g4b

Replies: 2
Views: 5,166

November 29, 2013, 08:14:48 PM
by kawai2g4b

MB-1 no output

Started by peoriashows

Replies: 7
Views: 4,593

July 28, 2018, 11:51:45 PM
by rnolan

MB-1: Brand New Tubes, no sound on "Edge" or "Full" settings...

Started by BoWeevil2017

Replies: 1
Views: 3,285

February 21, 2017, 12:57:24 PM
by MarshallJMP

Microphonic type squealing

Started by Darth Infernus

Pages1 2

Replies: 18
Views: 10,304

May 18, 2015, 10:38:38 PM
by Darth Infernus

Microtube 200 with no output

Started by calan

Pages1 2

Replies: 15
Views: 9,882

October 30, 2015, 12:34:21 AM
by rnolan

Midi issues

Started by dannyde

Replies: 1
Views: 3,259

April 12, 2014, 07:17:04 PM
by rnolan

MOVED: Techniques and tooling

Started by rnolan

Replies: 0
Views: 2,980

April 16, 2016, 05:00:51 AM
by rnolan

MP-1 A channel much quieter than B

Started by Mxzx

Pages1 2 3

Replies: 31
Views: 15,459

February 12, 2014, 06:32:21 PM
by El Chiguete

MP-1 Classic dead

Started by tangohf

Replies: 4
Views: 4,240

December 07, 2014, 04:50:19 PM
by MarshallJMP