DESCRIPTION

When the term "graphic equalizer" was first coined, the intent
was to provide a device that allowed the user to "draw" the
desired frequency response using slider controls on the unit’s front
panel. Thus, the Holy Grail of graphic equalizers is a device with a
response that truly matches the slider settings. For years, this
seemingly unobtainable goal resulted in products based on the fine art
of compromise – until now – until the DEQ 60.
It’s not Constant – not
Proportional – It’s Perfect! Digital Signal Processing (DSP) allows
filter technology not possible with analog designs. Rane coined the term
Perfect-QTM to describe the results (U.S. patent 7,266,205). The DEQ 60
is the world’s first true graphic equalizer (i.e., one providing real
mechanical front panel slide controls) whose output response precisely
matches its front panel settings. Perfect-Q features virtually no band
interaction and extremely low ripple between adjacent bands. Just to
keep things interesting and flexible, fear not proportional-Q lovers,
for each channel of the DEQ 60 is selectable between Perfect-Q or
proportional-Q response.