DOEPFER MBP25 User Manual

Midi bass pedal electronic kit

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

DOEPFER

Midi Bass Pedal Electronic Kit

MBP25

User's Guide

Doepfer Musikelektronik GmbH

Geigerstr. 13

82166 Graefelfing

Deutschland / Germany

Phone:

+ 49 89 89809510

Fax:

+ 49 89 89809511

Web Site: www.doepfer.com

Email:

sales@doepfer.de

Table of Contents

Need help?

Do you have a question about the MBP25 and is the answer not in the manual?

Questions and answers

Summary of Contents for DOEPFER MBP25

Page 1 DOEPFER Midi Bass Pedal Electronic Kit MBP25 User's Guide © 2008 by Doepfer Musikelektronik GmbH Geigerstr. 13 82166 Graefelfing Deutschland / Germany Phone: + 49 89 89809510 Fax: + 49 89 89809511 Web Site: www.doepfer.com Email: sales@doepfer.de...
Page 2: Electrical Safety / Emc Compatibility
The manufacturer of MBP25 does not know the final assembly of the complete device in which the MBP25 is used as a part of the complete device. The final responsibility with regard to electrical safety and electromagnetic compatibility is up to the user who is assembling the complete device.
Page 3: Table Of Contents
1. Midi Channel ......................10 2. Transpose ......................... 11 3. Program Change 1....................11 4. Mode ......................... 11 Parameter Storage ....................... 12 Configuration Mode ......................12 Check list..........................12 Shortening the second bass pedal ..................13 Schematics PD/3........................16 User's Guide page 3 MBP25...
Page 4: Introduction
13 keys each (Fatar PD/3) to obtain a 25 key bass pedal in a very economic way. Of course MBP25 can be used also in combination with one PD/3 only. The picture below shows one possibility how two PD/3 pedals can be combined to a 25 key pedal and built into a black varnished wooden case (the electronics is not to be seen).
Page 5 230V mains voltage and European type mains plug is included with the MBP25. In other countries the power supply has to be purchased by the user in his country. If there is a Doepfer representative or dealer in your country please ask the representative or dealer if the power supply is included in your country.
Page 6: Connections
(note or program change or real time, see below mode). (2) Midi Out Connect the midi out jack with midi In of the device to be controlled by the MBP25 (e.g. sound expander, computer, sequencer, synthesizer) via a suitable midi cable.
Page 7 (ST3) (JP4) (JP3) (JP2) trimming potentiometer for voltage range adjustment of the volume control connected to ST3 User's Guide page 7 MBP25...
Page 8: Bass Pedal Connectors
3 pedals (use the email address hardware@doepfer.de). If you want to use the MBP25 not in combination with the Fatar bass pedal PD/3 but with another bass pedal (or even single contacts or switches) the contacts have to be wired as a diode matrix.
Page 9 +3.5 ... +5V. Values less than 3.5V are not allowed as the reference voltage of the ADC used (analog-to-digital converter) has to be in the range +3.5 ... +5V. Otherwise the ADC will not work correctly. User's Guide page 9 MBP25...
Page 10: Controls
Otherwise the note off message would be sent on a different midi channel causing a never ending tone. The midi channel is valid for all messages generated by MBP25 (i.e. note on/off, program change, volume). MBP25...
Page 11: Transpose
In Program Change mode 1 one can play in the normal way with the keys of the bass pedal, i.e. they transmit midi note on/off data. 4. Mode This menu is used to select one of the three basic modes of the MBP25: • Note mode •...
Page 12: Parameter Storage
Fatar keyboards. • If a potentiometer is used check if it is connected in the right way to the MBP25. An unused input (ST3) has to be terminated with a jumper ! •...
Page 13: Shortening The Second Bass Pedal
If existing solder points are used it is not necessary to remove the (green) solder mask to solder the wires to the copper tracks. User's Guide page 13 MBP25...
Page 14 View after the pc board and the black plastic bar are cut off Mark a cutting line with a distance of about 40-42 mm from the edge to the bottom of the pedal frame. ~ 40 – 42 mm MBP25 Page 14 User's Guide...
Page 15 For this a small board (about 12 cm width and 10 mm thickness) over the whole lenght can be used (about 93,5 x 12 cm for two pedals). User's Guide page 15 MBP25...
Page 16: Schematics Pd/3
If another bass pedal or single contacts/switches are connected to the MBP25 they have to be wired identically to the PD/3. This is the pin-out of the MBP25 connectors (ST1, ST2) for the bass pedals (top view): code hole Doepfer Musikelektronik www.doepfer.com...