The Roland AT-4 Acoustic Trigger Interface is designed to allow control signals from acoustic trigger pickups to directly control devices such as the Roland TD-7 or SPD-11. It adjusts the low and irregular output signal from acoustic trigger pickups to suit the input requirements of these modules, thereby retaining the musical nuances of the performance.
The document provides instructions on installing the unit, connecting acoustic trigger pickups to the INPUT jacks, and routing the adjusted trigger signals to the OUTPUT jacks. It also details how to change the internal battery and offers recommended placement locations for the pickups on various drums.
| Battery Life | Approx. 2 hours (Carbon) or 8.5 hours (Alkaline) |
|---|---|
| Compatible Devices | Roland TD-7 or SPD-11 |
The AT-4 adjusts the output signal from an acoustic trigger pickup so that it will be suitable for input into a TD-7 or SPD-11.
The battery lasts for approximately 2 hours with a carbon battery or 8.5 hours with an alkaline battery.
The snare drum pickup should be placed 2-3 cm from the rim on the batterhead.