A FOCAL Program to Determine Low-Frequency Loudspeaker
FOCAL8-48
Parameters Experimentally

Richard Merrill and Stephen A. Kellis, Jr., Digital
Equipment Corporation, Maynard, Massachusetts

This program is a FOCAL translation of a program devised by
J. P. Ashley and M. D. Swan used in determining the low-
frequency characteristics of loudspeakers for use in speaker
system and enclosure design. The method allows determina-
tion of speaker parameters using a minimum of testing
equipment.

Minimum Hardware:
4K PDP-8, LINC-8 or PDP-12
Source Language:
FOCAL-69

Catalog:July 1973