External Equipment; Extension Speakers; External Sound Source; Earphones - Hammond L series Service Manual

1-22.
1-23.
The
RHYTHM VOLUME
control,
mounted
1-24.
to the
right
of the rocker
tabs,
regulates
the loudness of the
rhythm
voices
relative
to the other organ
voices.
The
organ's
expression pedal
also affects
the
rhythm
voices
except brush and
cymbal.
The
BRUSH
and
CYMBAL
voices
sound
without
reverberation.
The
remaining
voices
are
reverberated
whenever
a
REVERB
tab
on
the organ's control panel
is
depressed.
EXTERNAL
EQUIPMENT.
-
The
L-lOO
Series
organs
may
be equipped with
ex-
tension speakers, external inputs and
earphones.
EXTENSION SPEAKERS.
-
A
Hammond
Model
PR-40
Tone
Cabinet
may
be used
as
an
extension speaker.
A
Tone
Cabinet 1-25.
Control
Kit,
P/N
AO-22625-2
is
required
for
proper
interconnections.
Installation
instructions are
furnished with
the
kit.
EXTERNAL SOUND
SOURCE.
-
A
record
player or microphone equipped with
a
suitable preamplifier, or
a radio,
can be
played through
the organ's speakers.
The
device used should have an output
level
of
about
1/2 volt
rms maximum,
and
should
have
its
own
volume
control, since the
organ volume
controls
will
not
affect the
signal.
The
organ
may
be played
at
the
same
time.
To
connect an
external
sound
source, a
Switchcraft
Type 330
Fl
"Y"
connector
is
required.
Remove
the
connector
cable
from
the
WH
terminal
on
the
power
amplifier.
Insert the ''Y"
connector
into the terminal,
and
insert
cable previously
removed
into
one arm
of
the
"Y". Connect
external
sound
source to the other arm.
EARPHONES. -
hi
order
to use earphones,
the
output
jack
and network shown
in
Figure
1-12
are required.
When
earphones
are in use, organ speakers
are silenced.
GN.
BLK.
Organ
Spk.
wires
47a
SWITCHCRAFT
SF-JAX #25
OR
55
ji
Use Koss
Model
SP-3.
Figure
1—12. Earphone Adapter
Circuit