Adjusting the Output Level of Keyboard

3 Keyboards ( NS2, Motif & Virus) Modulate Around -12dB Fs on Mixer ( Motu Ultralite) :

VU 3 Keyboards
Here an example with 3 differents keyboards modulating around -12 dbDS. To have good levels, you need to adjuste 2 differents levels :
– The General Output Levels (Analogic)
– The Patch Levels.

The General Output Level is controled by output volume knobs : fader or potentiometer.

The Patch Level is registered for each sound into the synth memory.


Various knobs or faders keyboards :

IMG_0021 IMG_0022IMG_0030

Each potentiometer acts on the volume of different ways, which is why we need to write an equivalent dB scale to each one. +3dB increase, making the sound 2 times stronger. –3dB decrease, making it 2 times lower.


Each Keyboards Gain (Trim) on Mixer :

Gain 3 KeyboardsEach Keyboard has a different output gain : The virus as a highest level and the motif , the lowest. Therefore, we compensate level differences by the input gain in the mixer.


Tutorial to Adjust Output Level of Keyboard (example with Andromeda A6) :


1 – Push Keyboard Volume to the Max.


2 – Select a Sound on Keyboard with regular sustain like sinus or organ with no velocity, no fx, no envelope…


3 – Adjust the Input gain of your mixer to read 0dB fs on VU.

Gain Andromefa +6db
First Input Gain is +6db


VU Saturation
Peak on VU Meter !


Gain Andromeda 0db
Decrease the Gain to 0db


VU 0db
Vu just below 0dB Fs : Perfect Input Gain !


4 – Write on sticker paper the value 0db.


5 – Now Increase of 3 db Mixer Input.

Gain Andromeda +3
Increase of 3 db Input Gain on Mixer
VU Saturation
Now Vu “peak” Again

6 – Turn the knob until that the value back down under the 0 dB Fs.


VU 0db
Vu Meter is Ok

7 : Write on sticker paper the value – 3db.


8 : Repeat the operation for -6db (Increase of 6 dB mixer input gain compared to the original gain).


9 : Repeat the operation for -12dB ( Increase of 12 dB mixer input gain compared to the original gain) :


10 : Now, do not forget to reset the input gain (0 dB in this example) to avoid any saturation. Use the keyboard in normal mode -6db to have a good dynamic reserve and at the same time a good output level :


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