22
3.07
FOR MUSICIANS INTERESTED IN LIVE PERFORMANCE,
the
Model
2600 features
a
built-in
patch
that
makes
most
popular syn-
thesizer effects available
without
even touching a patchcord.
This internally
"hard-wired"
patch may be overridden,
however,
by
inserting
a
patchcord
plug
into
the appropriate
panel
jack.
The
stable
oscillators may not need
tuning
for
weeks
at
a
time.
And
the envelope
follower (see
4.33)
allows
the 2600
to create
spectacular
interactions among
other electric instru-
ments
connected to it.
3.08 FOR
TEACHING PURPOSES,
we have designed
the panel of
the
2600 to
be
as
clear
as possible.
All signal
and control paths are indica-
ted
b\ arrows.
The
built-in convenience patch
mentioned
in
3.1 may
be
entirely
disregarded; circuits and functions may be
demonstrated
one
at a
time or in
an> combination whatever. Each
function is
clearly
labelled
in a
box
reminiscent of "block diagrams", and
the
signal
paths
to
and from
voltage-controlled units are consistent
with
a
set
of
rules
for block
diagramming that
we
have given in
2.34
through 2.35.
The
2600
outputs from
all
functions
are compatible with
external teaching
aids
such as
oscilloscopes.
3.09 A modest additional investment in tape recorders,
equalizers,
and noise
reduction
equipment will put
any
composer
of electronic
or
concrete
music inside
A
COMPLETE
STUDIO FOR
TAPE
COM-
POSITION. Prerecorded signals may
be
routed
through
any
individual
function
of
the 2600
for
partial
transformation or
may
become part
of longer
signal
paths.
The envelope follower
generates a control vol-
tage
from an^
signal
fed
into
it,
and makes
possible the
modulation
of one signal
by
the
envelope of
another.
3.1 IF
YOUR
FIRST
GLIMPSE
of
the ARP Model
2600 is
somewhat
confusing,
look
again.
The
control-panel
graphics
are
as self-explanatory
as
we could
possibly make them,
and
some careful study before plug-
ging
It
in
and
turning it on
will more
than
repay
the time h takes
to
do
so.
The Model
2600 consists
of two
units; one
is the
synthesizer itself
and the other
is
the keyboard
controller 3604.
3.11 Concentrate
first on the synthesizer
itself. Your
only
concern is
the various
objects protruding
through
the front
of it. Notice (if you
hadn't
already)
that
these are mostly either SLIDER CONTROLS
or
*
MINI-JACKS. Besides these,
there are only
seven
slide switches, one
button (it's very
small), one stereo
headphone jack, and one
knob.
(A
number
of
semi-fixed
controls are recessed
behind
the panel. They
are dealt
with
in
Section
7,
and should not
need
adjustment for long
periods of
time;
your 2600 was
thoroughly calibrated and
checked
before
leaving
the factory.
DO
NOT
TOUCH
THEM
until
you
are
COMPLETELY
FAMILIAR WITH
YOUR INSTRUMENT
and with the
contents of
Section
7).
S>UDER
Q
%>ACK
Q
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