Category Archives: drum machines
UniPulse MIDI for Roland PB-300
This manual describes how to install uniPulse midi in a Roland PB-300.
You will get direct control over the drum sounds and trigger them in a velocity sensitive way.
After installation, you will be able to trigger the following sounds:
Kick, Snare, Low Tom, High Tom, Closed Hihat, Open Hihat, Rimshot and Cymbal
TR606 UniPulse Installation
uniPulse TR-606 features
- Full velocity control of all 7 voices
- Six (6!) additional sounds (An 808ish deep clicky bassdrum and a higher pitched one, Only Snare Noise, Only Tom Noise, Each half of Cymbal (the hitting sound and the decaying sound))
- Midi clock input. Clock is also sent to external din-sync devices.
- Midi controlled Open hihat decay
- You can install an additional midi socket, or use the existing DIN-Sync socket
After installation you can trigger the following instruments on midi channel 10:
BD: 36
SN: 38
LT: 45
HT: 48
CY: 49
OH: 46
CH: 42
and the extra sounds:
Bassdrum 2: 37
Deep Kick: 35
Felt Cymbal: 52
Snoyze: 40
Brush: 47
Closed Cymbal: 51
Open hihat decay CC: 19 (when counting from 1), 18 (when counting from 0)
The midi channel and the notes can be modified using our configurator tool (see below).
Korg Minipops-120 Single Output Modification
Here you will find information on how to add single outputs to your beloved Minipops-120.
This mod is compatible to midi added with the uniPulse. An uniPulse installation manual for Korg Minipops 120 is here.
Attached is a picture (extracted from the service manual) of the circuitboard and the points/parts you have to desolder to add single outputs. The HighHats and Cymbal share the same output, so you will get 7 single outputs for Bassdrum, Snaredrum, Claves, High Conga, Low Conga, Bongo and Highat/Cymbal.
Midi for Korg Minipops 7 (uniPulse installation)
This guide shows you how to use the Tubbutec uniPulse interface with a Korg Minipops 7. You can also add outputs for each instrument.
The config file for the Korg Minipops 7 is here.
Features:
– Full velocity control for all 14 instruments
– Velocity controls guiro pitch
– Midi sync (optional)
Guiro pitch is controlled by midi velocity. If you want a fixed pitch, adjust CV-voltage until the desired pitch is reached.
Trigger points:
The image below shows the trigger points. You can solder the uniPulse trigger outs directly to these points. An exception is the Guiro, which is connected to the uniPulse CV-out with an additional diode.
Video showing midi to coil
Here is a video showing a custom midi interface developed by Tubbutec for analogue drum machines such as Korg Minipops, AceTone RythmAce, Maestro Rhythm King MRK-2, Roland TR77,…
It has the following features:
- 16 pulse out channels + Guiro output and pitch control
- Outputs selectable between +5V..+12V and -12V
- Fully velocity sensitive
- Adjustable pulse length between 0.3 and 1.3 ms
- Midi learn
Sequential Tom power supply
This Sequential Tom needed a new power supply. It states to need 15V AC, but after a little bit of reverse engineering it turned out to actually need 2×7.5V AC. It is quite unlikely to find a wall adapter with 2×7.5V AC, so I had to build an own power supply. It is just a (fused) transformer in a case, and a plug attached to a cable that fits into the back of the Tom. Done 🙂
New envelope for tr-606, tr-808 hihat and cymbal
Have been working on a velocity sensitive AR-envelope for TR-606 and TR-808. Attack and Release times can be adjusted between 1ms and 5s and of course the open hihat can be cut by the closed hihat.
Simulation results look very promising:
