Schematics & Modifications (mods)

MP-1 Tone Signature Mod descriptions

Started by Kim

Pages1 2 3

Replies: 31
Views: 30,038

March 04, 2020, 11:41:20 PM
by rnolan

The Vault = Schematics and Mods

Started by Dante

Pages1 2 3 ... 6

Replies: 83
Views: 208,653

February 09, 2024, 05:56:39 AM
by Harley Hexxe

Opamp qualities and selection

Started by vansinn

Replies: 4
Views: 5,793

August 07, 2018, 02:35:54 PM
by MarshallJMP

Upgraded MP-1 transformer

Started by trader144

Pages1 2 3 4

Replies: 50
Views: 36,729

August 11, 2016, 05:58:07 PM
by feline guitars

Adjusting gain and distortion

Started by trader144

Replies: 3
Views: 5,471

December 16, 2014, 11:20:57 AM
by MarshallJMP

MOVED: Bar's Open!

Started by Systematic Chaos

Replies: 0
Views: 4,422

June 27, 2015, 10:42:26 PM
by Systematic Chaos

ADA Mods

Started by Sparker

Replies: 3
Views: 8,835

February 23, 2014, 09:37:08 PM
by GuitarBuilder

Backlight Mod for MP1, MP2?????

Started by Satch

Replies: 3
Views: 5,419

June 14, 2014, 02:04:46 PM
by Sparker

MP1 PCB layout drawings

Started by Rusty

Replies: 5
Views: 4,873

January 09, 2019, 02:07:08 PM
by Rusty

MOVED: Re: The Vault = Schematics and Mods

Started by rnolan

Replies: 0
Views: 3,820

August 09, 2018, 05:37:31 AM
by rnolan

SS Gain Mod for MP1

Started by rabidgerry

Pages1 2

Replies: 29
Views: 22,749

August 11, 2016, 05:54:04 PM
by feline guitars

MP-1 classic MOD

Started by pgmlml

Replies: 8
Views: 3,260

October 13, 2021, 12:39:33 PM
by MarshallJMP

Tight Plexi Mod, Remember it?

Started by peoriashows

Replies: 7
Views: 4,890

July 25, 2018, 05:11:01 AM
by rnolan

Batteryless EEPROM mod

Started by peoriashows

Replies: 7
Views: 5,679

August 08, 2018, 08:44:17 AM
by rnolan

This guy's claims to have a better noise mod, your thoughts?

Started by peoriashows

Replies: 7
Views: 5,713

August 08, 2018, 01:59:04 PM
by MarshallJMP

Which opamps are in the signal path?

Started by Overtone85

Replies: 2
Views: 3,856

June 14, 2019, 04:34:02 AM
by MarshallJMP

MB-1 Mods?

Started by MusicalAlchemy

Replies: 14
Views: 13,258

June 16, 2020, 03:12:09 AM
by rnolan

Searching Schematics for B200S

Started by misterwins

Replies: 2
Views: 4,123

April 03, 2014, 11:40:48 PM
by rnolan

Mod 2, and Mod 4 MkII????

Started by Loktite

Replies: 6
Views: 7,830

May 31, 2016, 09:36:26 PM
by Loktite

Replacement for op amp listed in mp-1 noise mod

Started by kissfan113

Replies: 3
Views: 1,670

May 31, 2023, 02:18:22 PM
by MarshallJMP