Repair Rates Instruments for
& Piccolos Mouthpieces
Serial Number 0001
It is not a big stretch of the imagination to think this is the first regular production, retail Multi-vider off the assembly line in Oakbrook IL.
Despite the plain metal shell, this has a few more features than the later ones.
For instance you can have both the 'Bright' and 'Dark' filters engaged at the same time, whereas in later models, it is one or the other.
Also, please note the doublepluscool power switch which has a battery gauge which shows how much 'juice' is left in the battery, not just a 'dummy light'.
A small thing perhaps, but it would prevent the battery going dead mid-performance.
Here's the pictures: