James
B.
Lansing
Sound, Inc. maintains a
Tech-
nical
Service
Department, to help JBL owners with
their
individual problems. If you cannot find the
answer
you need in published JBL literature or
obtain
it from your Audio Specialist, please
write
us.
All
JBL
precision
transducers are fully guaran-
teed
against defects in materials and workman-
ship.
Be sure to
fill
out and mail the warranty
card
immediately.
APPLICATION
JBL
precision
networks
use circuits carefully de-
signed
to
give
an
imperceptible
transition from
low
to high
frequency
transducers.
Unlike
ordinary
all-purpose
networks,
each
JBL circuit is specifi-
cally
engineered
to
match
the
characteristics
of
the JBL
transducers
with
which it is
used,
and
should
not be
connected
to
components
for which
it
is not
designed.
Components
which
match
each
of
the JBL dividing
networks
are listed in the
table
below:
NETWORK
MODEL
CROSSOVER
FREQUENCY
LOW
FREQUENCY
TRANSDUCER
HIGH
FREQUENCY
TRANSDUCER
HIGH
FREQUENCY
CONTROL
INPUT
IMPEDANCE
(OHMS)
SHIPPING
WEIGHT
(LBS.)
N500
500
150-4's
150-4C
375
Strapping
Bar
16
16
LX5
500
LE15A
375,
LE175,
LE85
3-position
switch
8
10
LX7
500
LE14A
LEI 75
3-position
switch
8
10
N1200 1200
0130,
D131,
130A, 130B's
LE175
3-position
switch
8
9
LX10 1500
LE14A
LE175
Continuously
variable
8
3
LX8
2000 LE14A
LE20
3-position
switch
8
3
LX11 2500
LE10A
LE20
3-position
switch
8
3
LX2
2500
D123,
D208,
D216
LE20
Continuously
variable
8 3
N2400
2500
D130,
0131,
D123
075
Continuously
variable
8
4
N7000
7000
Any two-way
system
075
Continuously
variable
4 to 16
3
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