there are a few other options. one is to shift all the notes over by
one so the hammers hit one note lower than before. then grind
everything down until it is in tune. you lose the lowest note on the
piano this way.
another option is to sharpen everything so the piano is in tune with
itself, but not with other instruments. if you sharpen everything up to
the next semitone, you could play in c# when you want to play in d.
this is a good option for a three-octave piano.
it is also possible to replace the tines. they are made of music wire,
which is a standard part that you can find at hobby suppliers.
a few years ago the schoenhut deluxe traditional spinet
(
http://www.toypiano.com/6637.htm) was from a different factory and
tuned better than the other models. to get one that is in tune, you
have to call the schoenhut factory directly and tell them you are a
musician and want one that is in tune before you place your order with a
reseller. i'm not sure if this is still the case, but the people at
schoenhut were very helpful when i talked to them.
Ricardo Rabadan Paz wrote:
> Nice work and nice ideas!!
>
> The trickiest part will be to flatten the sharp notes. I've tried adding
> copper wire without any kind of glue, but it changes the sound (mostly
> muffles it). Same with some springs provided by Schoenhut. What kind of
> solder do you have in mind? The kind used for electronics? You can try that
> one because it's very easy to take off if you don't like the results.
>
> There are many people interested in finding an effective way to flatten
> notes, so if you happen to find a solution, please post it. Thanks!!
>
>
> -----Mensaje original-----
> De:
toypia...@googlegroups.com [mailto:
toypia...@googlegroups.com] En
> nombre de Thom
> Enviado el: jueves, 10 de septiembre de 2009 12:10
> Para: Toy Piano Time
> Asunto: tweaking tuning and transforming a toy piano
>
>
> Hello all . glad to find this group. Been interested in toy pianos
> lately. I'm currently rebuilding a 1950's Shoen??ut Spinet toy piano.
> I'm not necessarily restoring it but more reworking / modifying it to
> improve tone and playability and make it electric . I thought some of
> you (who no doubt have forgotten more about toy pianos than I will
> ever know) might have some ideas.
>
> Here's my rebuild in phases - I'm only in phase 1 so the 2nd and third
> are what I hope to do - please feel free to comment or suggest better
> approaches (sorry for the length of phase one):
>
> Phase 1- Action / Tone:
> I removed the hammers keys etc . and re felted the base . the fulcrum
> (? - part that the keys teeter on like a see saw) is a thin wood plank
> - it was slightly off center so I ripped it out and replaced it with
> a metal rod (in doing so I raised the action a little bit to push the
> hammers a little closer to the tines). I applied powdered graphite to
> the rod and back of the keys to reduce friction .
>
> I then removed the hammers from the rod they're on, added powdered
> graphite, and realigned them with the tines (installing thin plastic
> washers to properly space hammers as needed) . I purchased small oak
> plugs (about the size of a skittle) and epoxied them to the heads of
> the hammers to soften the sound of the strike a hair. (I prefer wood
> on metal rather than the plastic hammers)
>
> I also added weight to the back of the keys (hot glued steel nuts) so
> the keys would return quickly to its start position and prevent
> sticking / allow for faster repetitive key strikes . similarly I also
> added weight to the back end of the hammer (prevent the hammer from
> coming to rest against the tine and allows for faster notes) . I
> drilled a hole in the back of the keys and inserted a 'guide rod' to
> prevent them from wiggling and keep them in place and in line . lastly
> I removed the tines completely and soaked each over night in CLR to
> remove some rust and corrosion
>
> The result is a softer sound - wood on metal sounds closer to a
> xylophone and the new felt has decreased a fair portion of the extra
> clanking noise the piano makes. The action is a bit heavier so one can
> play faster parts a little more clearly . its not a Steinway by any
> means but has a little bit better playability (I didn't want to
> totally strip it of the toy piano sound - that's part of the charm -
> just wanted to soften the sound a bit and increase the playability - I
> intend to use this live)
>
>
> Phase 2 - Tuning:
> Shoen??ut's never go out of tune - so they say? . maybe so but that
> doesn't mean they start out in tune ... and this is where I am. I have
> a number of keys that are massively sharp or flat and many slightly
> so. I figure the flats are easy - just grind/shave the metal down a
> bit . but the sharps are a little bit of a stumper adding metal . I
> have copper wire I can add but would rather have a more permanent
> solution and don't really want to glue the metal tine in case it
> muffles/mutes it. any thoughts? . I could add solder but I was
> concerned the solder was a different density and might not have the
> desired effect ?
>
> Phase 3 - Amplification:
> I want to be able to plug this into an amp and run it through various
> effects (primarily reverb and tremolo) . I originally envisioned
> micing the piano but lately (based off the workings of a Rhodes) I am
> leaning towards installing a series of 8 thin guitar pickups right
> behind the tines (all same brand so equal output and the magnets
> almost perfectly line up with the tines) . run them in series and then
> install a volume and tone control on the front face plate of the face
> plate .
>
> Sorry for the length - I just like to ramble I suppose . seems like a
> lot of work but its been oddly relaxing and entertaining . thought I'd