Original MP-1

MP-1 Owner's Manuals

Started by Dante

Replies: 0
Views: 14,786

November 30, 2013, 08:56:24 AM
by Dante

MP-1 EQ might not be flat at all zero settings?

Started by Kazinator

Replies: 1
Views: 30

November 07, 2024, 04:16:27 PM
by Kazinator

Over 8 dB of gain possible in OD1 (Tube Dist mode), with filter adjustment.

Started by Kazinator

Replies: 5
Views: 50

November 07, 2024, 02:27:36 AM
by rnolan

gain issue

Started by joesatch

Replies: 12
Views: 119

November 05, 2024, 11:42:07 AM
by MarshallJMP

Fix treble control to be centered on 1.6 kHz.

Started by Kazinator

Replies: 14
Views: 248

November 07, 2024, 02:08:02 PM
by Kazinator

Fixed boofy bass, at last!

Started by Kazinator

Pages1 2

Replies: 25
Views: 341

November 02, 2024, 05:39:31 AM
by hotguit

Finally, a low profile knob for the side panel.

Started by Kazinator

Replies: 3
Views: 364

October 17, 2024, 04:30:11 AM
by rnolan

"More meat" mod for OD1 drive.

Started by Kazinator

Replies: 9
Views: 583

October 17, 2024, 04:21:49 AM
by rnolan

Replacement screws for top and bottom covers

Started by Lyates1987

Replies: 4
Views: 608

September 08, 2024, 09:05:22 AM
by Lyates1987

Cutting away PCB to make room for Switch craft jack (OUT A)

Started by Kazinator

Replies: 6
Views: 639

September 13, 2024, 12:39:54 AM
by rnolan

I did it! 8.2V Zener -> 12V Zener swap in the OD1 drive circuit.

Started by Kazinator

Replies: 13
Views: 1,051

October 17, 2024, 01:53:44 PM
by Harley Hexxe

Weird MIDI Problem(s)

Started by Chip Roberts

Replies: 1
Views: 1,298

October 28, 2021, 12:55:39 PM
by Harley Hexxe

Self-servicing an MP1 and other things

Started by skarkowtsky

Replies: 2
Views: 1,365

March 06, 2022, 04:13:06 PM
by Aelfad

MP-1 Shipping Damage

Started by VoxG2

Replies: 0
Views: 1,468

September 22, 2021, 01:05:07 PM
by VoxG2

MP-1 Opamp recommendation

Started by Loktite

Pages1 2

Replies: 21
Views: 1,468

October 14, 2024, 01:27:52 AM
by Iperfungus

3TM MP-1 for sale

Started by Harley Hexxe

Replies: 0
Views: 1,497

April 07, 2022, 01:26:27 PM
by Harley Hexxe

MP1 Outputs

Started by K-man

Replies: 2
Views: 1,543

March 13, 2022, 08:58:15 AM
by K-man

Master Gain

Started by K-man

Replies: 5
Views: 1,656

March 18, 2022, 05:51:23 AM
by K-man

What mod is this?

Started by cerealk

Replies: 3
Views: 1,777

August 03, 2021, 12:39:38 PM
by MarshallJMP

MP-1 3TM - what tubes in what sockets?

Started by jaykay73

Replies: 2
Views: 1,816

June 10, 2021, 01:02:17 PM
by Harley Hexxe