Original MP-1

MP-1 Front Input Jack

Started by CrunchQuest

Replies: 11
Views: 3,135

February 26, 2021, 01:50:28 PM
by Harley Hexxe

MP1 value...

Started by vmaxvmax

Pages1 2 3

Replies: 38
Views: 3,167

January 24, 2024, 11:38:02 PM
by rnolan

Mod 3.666

Started by RobbHell

Replies: 2
Views: 3,169

June 28, 2014, 05:52:50 PM
by RobbHell

Wiring help please

Started by r_mcrobie

Replies: 3
Views: 3,175

May 07, 2014, 08:45:42 AM
by MarshallJMP

MP1 Stock Gain Modded new tube help

Started by Dna^Yay

Replies: 3
Views: 3,190

October 02, 2014, 08:22:52 AM
by rnolan

new to this board,reviving my old MP1 and have a few questions

Started by JeffGT

Replies: 4
Views: 3,206

April 11, 2017, 02:44:37 AM
by Iperfungus

Prices are up on on-line MP-1's

Started by Crizznikk

Replies: 1
Views: 3,213

April 22, 2014, 06:29:09 PM
by RandallRG

Safely adjusting "trim-pots"

Started by Dirty Fingers

Replies: 3
Views: 3,218

October 17, 2015, 08:41:03 AM
by MarshallJMP

MP-1 More Gain

Started by Dirty Fingers

Replies: 2
Views: 3,223

October 16, 2015, 02:12:39 AM
by Dirty Fingers

Noise Mod Kit (USA)

Started by crowemag

Replies: 4
Views: 3,276

March 01, 2019, 09:07:49 AM
by MarshallJMP

MC-1 Buttons

Started by Metalhead

Replies: 1
Views: 3,301

April 12, 2014, 01:47:39 PM
by RandallRG

MIDI

Started by doctorric

Replies: 2
Views: 3,305

June 21, 2018, 03:41:16 AM
by Fuvelone

Flashing LED and buttons unresponsive

Started by mrguitar

Replies: 10
Views: 3,349

November 21, 2018, 01:42:39 AM
by rnolan

Which MP1 mods are reversible?

Started by astrobushido

Replies: 3
Views: 3,366

August 01, 2019, 09:04:04 AM
by MarshallJMP

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

Started by RandallRG

Replies: 1
Views: 3,419

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

Mp1 Mod4 MkII tubes

Started by Soloist

Replies: 6
Views: 3,422

September 18, 2018, 11:51:04 AM
by Soloist

More Questions, Line Level Switch? Foot switch MPC?

Started by mjonesjr8

Replies: 4
Views: 3,423

December 25, 2014, 12:32:14 AM
by rnolan

MP1 Venting

Started by Metropolis

Replies: 3
Views: 3,424

January 10, 2015, 08:18:05 AM
by d1469d

Thoughts on this power amp

Started by kfowler8

Replies: 3
Views: 3,431

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

Patch change question

Started by rcknrllmn

Replies: 4
Views: 3,452

April 26, 2015, 04:03:08 PM
by MarshallJMP