New version (3.2) available !
The TR-808 MIDI retrofit enables your Roland TR-808 to be synchronized with other MIDI devices and work like polyphonic velocity sensitive MIDI drum expander. More over all original features of the TR-808 are not changed.
Features:
- Functions of sequencer and triggering method of instruments of TR-808 are controlled via MIDI Program Change commands
- Program map can be fully defined by user:
- Sequencer of TR-808 can be synchronized by internal tempo generator or by MIDI clock.
- Start / Stop (transport functions) can be controlled by panel button or by "Start", "Stop" and "Continue" MIDI transport commands or both ways simultaneously.
- Tone generators of TR-808 can be triggered with internal sequencer, with MIDI notes or both ways simultaneously.
- Response of tone generators to "Velocity" of Note-On MIDI commands is fully dynamic.
- 121 MIDI notes (0 to 120) are acceptable. It can be assigned to each of them independently:
- any of TR-808 tone generator (or none generator)
- basic signal level and dynamic range (resolution up to 126 steps) of assigned tone generator
- CM/GM/GS/XG drum map is factory predefined.
- Number of MIDI channel for MIDI commands receiving is programmable by user, channel 10 is factory predefined.
- MIDI interface can be turned off, TR-808 then works exactly as without installed interface - DIN-SYNC In/Out control stays fully functional.
- Easy and non-destructive installation into TR-808.
It offers features never before available on any MIDI interface for TR-808.
Default drum-map
(can be changed by user)

Connection of retrofitted instrument to MIDI system

Installation of all MIDI interface parts is very easy and non-destructive - it is not necessary to drill any holes in the vintage instrument. All changes can be replaced without visible changes. The optical appearance of the TR-808 remains the same after the installation and it is possible to remove the interface at any time.
The TR-808 kit package contains:
- MIDI Interface main board (MAIN) including the material (self-adhesive supports)
- Synchronization terminals board (SYNC IN / OUT) including the material and cables (screws, washers and plastic stripes)
- Flat 20-core cable with the connector and indication LED (for connection to TR-808's board)
- Ground cable with insulating capacitor
- Special MIDI cable - reduction
- CD-ROM with user and installation manuals and support software

Examples of sound with velocity using :
| Demo 1 |
 |
1110 kB |
| Demo 2 |
 |
1307 kB |
| Installation manual |
 |
3398 kB |
| User manual |
 |
570 kB |
| System Exclusive communication |
 |
310 kB |
| SysEx Msg generator |
 |
853 kB |
| Programming files (factory reset) |
 |
1 kB |
| DESCRIPTION |
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