I installed this key line buffer today and photographed it inside and out. I
scanned the schematic (which has component values) and posted everything on
the following web page. Images and schematic are also available as a zipped
download of about 1.3M.

1. http://www.ad5th.com/ARB-704.html

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Charlie
Ham Radio - AD5TH
www.ad5th.com
Live Blues Music
www.492acousticblues.com