1.1 - PRODUCT DESCRIPTION
The Kurzweil 250 uses artificial intelligence principles and a
Motorola
68000
microprocessor
to
create
complex
models of
acoustic sounds. The Kurzweil
250's design gives the instrument a
velocity-sensitive keyboard so that a
note's
volume·
and timbre
relates to the force
on
the key. The 12-note, polyphonic keyboard
can accurately reproduce the sounds of several instruments
at
once
and each key
on
the 88 note keyboard can be individually assigned
to
play a different sound.
Currently,
the
Kurzweil
250
comes
with
36
different
instruments arranged into 98 keyboard setups in the basic Enhanced
Resident Sound Block excluding Sound Blocks A thorugh
D.
The
original Kurzweil
250 came with 30 different instruments arranged
into
40
keyboard setups.
The Kurzweil
250's
sequencer
is a
built-in,
12,OOO-note
multi-track digital recorder, which can be used to build up to 12
different tracks.
Older Kurzweil 250's may have either 4,000 or
8,000 note sequencer. These units can be updated
to
the current
12,000 with the purchase of available options.
All
Kurzweil
250s
are
currently
manufactured
with the
Kurzweil Sound Modeling Program for user sampling.
Older Kurzweil
250s may not have this option, but may be updated with the purchase
of the Sound Modeling Program option.
There are many configurations
of
Kurzweil 250s currently
in
the field. The Kurzweil 250 Product Line also includes the Kurzweil
250X,
an
expander unit without keyboard, and the Kurzweil RMX 250
or 225, a rack mount expander unit. Please see the Product History,
Chapter 2, for more information.
Kurzwell
250
Service Manual, Chapter 1
1 - 2
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