>How bout' these? >http://www.onlinetuningfork.com/ >http://www.seventhstring.com/tuningfork/tuningfork.html OK, I calibrate A4 at the first site as close to zero as I can on my VT-100. Which the offset displays at: -3.6 Against my old Degan, thin aluminium fork the VT reads A4 ~ -.6 On the second site, the VT reads A4: ~ +1.8 As Robert Scott has stated it depends on your sound card's ability to replicate the tone. So what I see is left here is a problem with the source. -- Regards, Jon Page -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20110121/9f6f973d/attachment.htm>
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