Krohn-Hite band pass filter manual
- part of archive:
- Manuals and manuscript notes for musical equipment and other devices built, owned and used by electro-acoustic musician Hugh Davies
Operating and maintenance manual for Krohn-Hite Ultra-low frequency band-pass filter models 330M (R) and 330m (R). Note from Hugh Davies stating he has serial no. 1035. Page of notes by Hugh Davies inside back cover next to annotated schematic. Notes suggest plan to modify the filter.