Yamaha 78Rd II Opuscolo - Pagina 8

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69Wr, 77Wr

Sharing the limelight with the Rd pianos in

the sixties and seventies, the Wr electric

piano produced its distinctive sound by

striking flat steel-reed resonators with

hammers whose action closely resembled

that of an acoustic piano. Thanks to this

design, light playing produced a delicate

sound, while playing with force produced a

thick, heavy sound with unique distortion.

Earlier models were noted for a powerful

sound with a slightly higher level of

distortion; later models had a bright, clearly

defined tone. Both of these Wr variations can

be recreated by the CP1, as can the

pleasant-sounding distortion of this electric

piano and its unique tremolo effect. And with

three-band tone control also included, a

broad range of different sounds can be easily

configured.

Sound Enhancement

Piano Type Unit

Damper Resonance Level

Typically occurring when an acoustic piano's

damper pedal is depressed, sympathetic

resonance can also be produced by

depressing the CP1's sustain pedal, and the

Damper Resonance Level parameter is used

to adjust the level thereof.

Hammer Stiffness

The Hammer Stiffness parameter can be

used to make the piano sound harder or

softer in the same way as if the physical

properties of the hammers were to be

changed.

Striking Position

The Striking Position parameter is used to

reproduce the effect of moving the point at

which an electric piano's hammers strike the

resonators.

In order to allow for extremely-flexible creation of piano sounds, the

CP1's Piano Block features a wide range of sophisticated parameters for

each piano type and the associated pre-amp. What follows is an

introduction to some typical examples of parameters for acoustic and

electric piano sounds.

Pre-Amplifier Unit

Bass, Treble, Overtone

The Pre-Amplifier unit has been provided with tone controls optimized

for each different piano type, and the following diagrams illustrate the

frequency characteristics corresponding to some typical parameter

settings.

Bass

Treble

+20dB

0dB

-20dB

10Hz

10 Hz

1.0 kHz

kHz

100Hz

10.0kHz