Yamaha CP70

Stefan Borowicz

I have a client with a Yamaha CP70 electric piano that needs tuning. Everything I've read so far indicates ETDs don't work correctly on these (all single strings or bichords but not of traditional length)...but wondering if Pianoscope follows suit, or if our favorite ETD can somehow negotiate the strangeness of this beast?

Burkhard

Stefan Borowicz Ich habe lange vor ETD ein paar mal ein CP70 gestimmt.
In der Mitte und den Höhen war es sehr leicht zu stimmen.
Nur der Bass, der war immer falsch.
Ich glaube ich habe den Bass deutlich tiefer gestimmt.
Mit Pianoscope kannst du die Spreizung im Bass anpassen.
Damit würde ich etwas experimentieren.

Ich würde mich sehr freuen wenn du die Stimmdatei mit uns teilen würdest.
Es ist bestimmt spannend wenn wir so eine exotische Stimmung besprechen könnten.
Pianoscope ist dafür das perfekte Werkzeug.

I voted a CP70 a few times long before ETD.
In the middle and the heights it was very easy to tune.
Only the bass, it was always wrong. I think I tuned the bass much lower.
With Pianoscope you can adjust the spread in the bass.
I would experiment with that a bit.

I would be very happy if you would share the voice file with us.
It is certainly exciting if we could discuss such an exotic mood.
Pianoscope is the perfect tool for this.

Stefan Borowicz

A quick follow-up to my tuning appointment with the CP70. I decided to use my iRig2 interface and have the piano plugged directly into it then to Pianoscope rather than trying to tune it acoustically. Worked like a charm! After setting the parameters of the instrument (range of E1-E7, concert pitch at A440, equal temperament and balanced tuning style), I did a pitch raise reading of inharmonicity then tuned it. While the bass stretch is so severe, Pianoscope really handled it well and the resulting tuning sounded good and the client was pleased. So was I! If I can figure out how to upload images I can upload screenshots of anything you'd like in particular.