MATRIXSYNTH: Stylophone Demonstrations via Loscha

Friday, November 17, 2006

Stylophone Demonstrations via Loscha

This one via Loscha

"I was cleaning up yesterday, I found my Stylophone 7" demonstration record. Recorded it as 96k mp3s and slapped it up on a very very basic page. A friend has a stylophone for me, but, I haven't gotten it from him yet. When I do, I'll attempt to make a schematic - because I haven't seen one online.

Jaycar Electronics - an Australian electronics company has a Stylophone-like kit you can built - as does Dick Smith Electronics. None of them are as good as the Dr Bohm Hobbytron. The Dr Bohm isn't the same as a real stylophone, though. A real stylophone has a BJT based oscillator, where as the Dr Bohm (and the Jaycar and DSE kits) are all 555 based.

Rolf Harris was quite famous in Australia, and more so, I think, in the UK. He was from Bassendean - a pretty dreary suburb in Perth (where the sadly defunct Casio featuring band Turnstyle were from). He had a kids TV Show in the 70s. He recently painted the most up to date official portrait of Queen Elizabeth II.

An inside picture of one here.

My LP recording is here.

The "Vibrato" on a Stylophone actually lengthens one side of the rectangle wave, not both sides, so, it is Vibrato, but, it is also Pulse Width Modulation. My friend Robin Whittle found this out when he hooked his stylophone up to his oscilloscope.


Image via Nick Law via Flickr, via Creative Commons.

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