User Guide

2
( ) Replace the perforated cover and top rear plate cover. Reinstall the 15 sheet metal screws
holding these pieces in place. DO NOT over tighten these screws, as it is fairly easy to
strip the screw threads in the aluminum underneath.
( ) Use the book to hold the amplifier while you reinstall the case and feet.
This completes the installation of the FB-220 filter capacitor block. It will provide you with a
better power supply that provides the necessary B+ filtering and regulation. Your amplifier should
not experience any filtering problems in the future.
HARBACH ELECTRONICS
Jeff Weinberg – W8CQ
468 County Road 620
Polk, OH 44866-9711
(419) 945-2359
http://www.harbachelectronics.com
info@harbachelectronics.com