MATRIXSYNTH: Roland TR 808 calibration and tuning

Wednesday, October 23, 2019

Roland TR 808 calibration and tuning


Published on Oct 23, 2019 BAMTV

"Welcome to this episode of BAMTV! In this video we show you how to adjust some settings of the Roland TR-808:

1. Noise level. This affects the snare, clap and toms and gives a 'reverb-like' tail if set too long.
2. Clap offset. Subject to preference, the clap can have a loud or soft transient.
3. Cowbell tuning to original values.

A furtehr explanation on the scope readings for the cowbell tuning: the scope was set to 0,2V/division. You hear me counting the cycle length and mention the number 9,8. This means at 0,2ms/division that the duty cycle is 9,8*0,2 = 1,96 ms.

Links
You can find the adjustment value sheet and location diagram here:

https://tinyurl.com/tr808adjustment (TR-808 adjustment sheet)
https://tinyurl.com/tr808locations (TR-808 trimpot locations)
https://tinyurl.com/tr808servicenotes (TR-808 service notes)"

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