Yamaha Disklavier MX100A - Gt10;Gt15;Gt20

I-19
GT10/GT15/GT20
Mounted on the treble side under the keybed.
Front: Silent switch, volume, headphone jacks, reverb depth (on GT20 only)
Rear: PITCH switch (on GT20 only)
GT10/GT15
Front view
GT20
Front view