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CATEGORY

QUESTION

ADJUST Are adjustments

required such as the

tuning needed on

acoustic pianos?

HANDLING Do these models require

monitoring the humidity

and temperature during

usage/storage like an

acoustic piano?

SPECS Is the keyboard action

on the DGP7, DGP5 the

same as on the N3, N2?

SPECS Is the keyboard action

on the N3, N2 the same

as on the N1?

OTHERS Does the N1 have two

production numbers?

Tuning is not required. However these models do use the

same wooden keys and action, and felt as acoustic pianos

so adjustment (servicing) is required when the keyboard

operation is stiff due to wear or due to environmental

changes.

There are no strings so the tuning will not deviate and no

large changes in sound being played will occur. However,

the keyboard action uses wooden material the same as an

acoustic piano so maintaining it in the same storage/usage

environment as an acoustic piano is recommended.

They are not exactly the same. The N3 and N2 have an

improved action which is a modiﬁ ed version of that used by

the DGP7, DGP5. The service part numbers on the N3 and

N2 are therefore all completely different numbers.

They are not exactly the same. The N3, N2 are produced

at a different manufacturing plant than the N1 so the key

shutter installation methods are different. Due to this, the

service part numbers are all completely different.

The upper unit and the lower unit are manufactured at

different production plants so they each have different

production numbers. On the upper unit, a production No.

label is attached to the bottom of key bed lower switch box.

On the lower unit, a production No. label is attached at the

bottom inner left of the speaker box.

N3, N2, N1, NU1

MODEL

N3, N2, N1,

NU1

N3, N2, N1,

NU1

N3, N2

N3, N2, N1