After finishing my first 5 prototype wearable EUBs I am scaling up production,
using my circuit that was developed for my electric cellos.  This has a 220Hz A
note tuning fork as used by string orchestras (push button on the bass/cello to
get the reference note for tuning).
Is having a built in A note tuning fork of any value for tuning an EUB?  Or
should I take this out?  If a built in tuning fork is helpful, which note
is preferred?
Any advice is greatly appreciated;.
Marvin Motsenbocker
Fredericksburg Va.




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