<DIV>I am reading electronic music guru Bulent Arel s letters from 40 years ago.</DIV>
<DIV>He says he found a way for to generate sound without generators.</DIV>
<DIV>He says one kronkite filter , two tape and one amp are enough for to generate complex sounds.</DIV>
<DIV>May be I can build a mobile synthesizer for to generate sound on train or on bus with walkmans.</DIV>
<DIV>I do not know what is kronkite filter. I googled but I could not find anything.</DIV>
<DIV>Can you help me ? What is this arel technology and how it works . Where can I find Kronkite filter ?</DIV>
<DIV> </DIV>
<DIV>Best ,</DIV>
<DIV>Mustafa Umut Sarac</DIV><p>
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