Original MP-1

storing presets ! PLEASE HELP !

Started by likkquid

Replies: 6
Views: 4,400

June 23, 2016, 04:18:06 AM
by MarshallJMP

Strange MP1 display behaviour

Started by andyd1963

Replies: 3
Views: 3,072

September 18, 2016, 04:42:01 AM
by MarshallJMP

Tech 21 Power Engine 60

Started by Moff40

Replies: 7
Views: 1,565

March 29, 2022, 03:10:13 PM
by Dante

THANKS MARSHALL JMP!!!!!!!!!!!!!!!!

Started by RandallRG

Replies: 1
Views: 3,401

March 26, 2014, 12:31:24 PM
by MarshallJMP

The sound of v. 1.0 EPROM

Started by Sirion

Pages1 2 3

Replies: 30
Views: 11,431

April 12, 2017, 09:17:45 AM
by Iperfungus

The Spare

Started by MikeB

Replies: 7
Views: 2,904

October 24, 2018, 04:44:11 AM
by rnolan

Thoughts on Fryette two/ninety/two with ADA MP-1

Started by j_weeks

Replies: 7
Views: 4,823

July 02, 2014, 05:56:18 AM
by rnolan

Thoughts on this power amp

Started by kfowler8

Replies: 3
Views: 3,425

July 28, 2014, 03:50:30 AM
by rnolan

Time to “unmod” my 3.666 MP-1

Started by Moff40

Replies: 6
Views: 1,846

August 25, 2022, 05:43:58 AM
by MarshallJMP

Trouble with Wall Warts

Started by Chip Roberts

Pages1 2

Replies: 22
Views: 9,052

July 17, 2017, 07:02:55 AM
by gb

Tube Clean Channel - Lets Compare Settings , How Clean is it ?

Started by robertkoa

Replies: 4
Views: 3,460

August 06, 2014, 11:56:19 AM
by El Chiguete

Tube Cocktail

Started by Dante

Replies: 9
Views: 7,547

March 16, 2014, 09:55:46 AM
by kawai2g4b

Tube mode sounding awful, need help!

Started by Layupe

Replies: 14
Views: 2,955

April 22, 2021, 12:57:15 PM
by Layupe

Tube question

Started by ADAddicted

Replies: 3
Views: 2,107

March 12, 2019, 09:25:14 AM
by ADAddicted

Tube swap to test

Started by Georgeclooney0

Replies: 2
Views: 1,468

June 09, 2020, 05:28:58 PM
by Georgeclooney0

TUBES V1 & V2

Started by Yann24

Replies: 8
Views: 6,636

May 03, 2016, 01:42:14 PM
by Dante

Unit inspection

Started by Rawk777

Pages1 2

Replies: 18
Views: 8,288

January 21, 2017, 10:42:20 AM
by MarshallJMP

Using Helix as midi controller

Started by Austinzb7

Replies: 5
Views: 1,219

June 29, 2023, 12:36:11 PM
by MarshallJMP

V2.00 v2.01

Started by vmaxvmax

Replies: 6
Views: 4,876

September 29, 2016, 04:00:26 PM
by MikeB

Very first MP-1 is on it's way to me!

Started by Crabs

Pages1 2

Replies: 17
Views: 11,219

April 02, 2015, 07:56:29 AM
by Crabs