JBL ARC SUB 8 (serv.man4) User Manual / Operation Manual ▷ View online
Troubleshooting
three.
Operation
min max
Volume
min max
Volume
Mode
Procedure
LED Status
Off
Receiver/amplifier off
Red
On
Receiver/amplifier on and playing program material
Green
Standby
Simply turn off your receiver/amplifier. The subwoofer will
Red
turn off after approximately five minutes. The subwoofer
will turn on when your receiver/amplifier begins playing again.
will turn on when your receiver/amplifier begins playing again.
Volume
Crossover Frequency
The crossover-frequency knob
determines the highest fre-
quency your subwoofer will
reproduce. It allows a seam-
less transition from the
subwoofer to the satellite
speakers. Experiment with
determines the highest fre-
quency your subwoofer will
reproduce. It allows a seam-
less transition from the
subwoofer to the satellite
speakers. Experiment with
this adjustment to find the
crossover frequency that
sounds best with your
speakers. When using the
speaker-level connections,
the crossover adjustment will
also limit the low frequencies
crossover frequency that
sounds best with your
speakers. When using the
speaker-level connections,
the crossover adjustment will
also limit the low frequencies
being sent to your satellite
speakers. This means that
your satellites won’t have
to try to reproduce the infor-
mation the subwoofer
is playing.
speakers. This means that
your satellites won’t have
to try to reproduce the infor-
mation the subwoofer
is playing.
If you used the high-level
(speaker) inputs and there
is no sound from any of the
speakers, check the
following:
(speaker) inputs and there
is no sound from any of the
speakers, check the
following:
• Receiver/amplifier is on
and a source is playing.
• Powered subwoofer is
plugged in.
• Check all wires and connec-
tions between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires is frayed,
cut or punctured.
• Review proper operation
of your receiver/amplifier.
and a source is playing.
• Powered subwoofer is
plugged in.
• Check all wires and connec-
tions between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires is frayed,
cut or punctured.
• Review proper operation
of your receiver/amplifier.
If there is low bass output,
check the following:
check the following:
• Make sure the connections
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
• Make sure that the sub-
woofer is plugged into an
active electrical outlet.
• Powered subwoofer is
plugged in.
• Adjust the crossover point.
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
• Make sure that the sub-
woofer is plugged into an
active electrical outlet.
• Powered subwoofer is
plugged in.
• Adjust the crossover point.
If you used the line-level
inputs and there is no
sound from the subwoofer,
check the following:
inputs and there is no
sound from the subwoofer,
check the following:
• Receiver/amplifier is on
and a source is playing.
• Powered subwoofer is
plugged in.
• Check all wires and con-
nections between receiver/
amplifier and subwoofer.
Make sure all wires are con-
nected. Make sure none of
the wires is frayed, cut or
punctured.
• Review proper operation of
your receiver/amplifier.
and a source is playing.
• Powered subwoofer is
plugged in.
• Check all wires and con-
nections between receiver/
amplifier and subwoofer.
Make sure all wires are con-
nected. Make sure none of
the wires is frayed, cut or
punctured.
• Review proper operation of
your receiver/amplifier.
Arc Sub8 7/17/98 4:47 PM Page 5
Specifications
Amplifier Power
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
(continuously variable)
50Hz – 150Hz
Frequency Response
Frequency Response
(determined by crossover setting)
45Hz – 150Hz
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
*High-level (speaker) outputs
are active only if high-level inputs
are used.
are active only if high-level inputs
are used.
©
1998 JBL, Incorporated.
JBL is a registered trademark of JBL, Incorporated.
Part No. ARCSUB8OM 3/98
C
E
L E
B R A T I N
G
5
0
Y E A
R
S
Occasional refinements may
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
A Harman International Company
Arc Sub8 7/17/98 4:47 PM Page 6
Specifications
Amplifier Power
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
(continuously variable)
50Hz – 150Hz
Frequency Response
Frequency Response
(determined by crossover setting)
45Hz – 150Hz
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
*High-level (speaker) outputs
are active only if high-level inputs
are used.
are active only if high-level inputs
are used.
©
1998 JBL, Incorporated.
JBL is a registered trademark of JBL, Incorporated.
Part No. ARCSUB8OM 3/98
C
E
L E
B R A T I N
G
5
0
Y E A
R
S
Occasional refinements may
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
A Harman International Company
Arc Sub8 7/17/98 4:47 PM Page 6
Specifications
Amplifier Power
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
80 watts
Driver
8" polylaminate
Inputs
Line- and high-level
Outputs*
High-level with
high-pass filter at 180Hz
Crossover Frequency
(continuously variable)
50Hz – 150Hz
Frequency Response
Frequency Response
(determined by crossover setting)
45Hz – 150Hz
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
Dimensions (H x W x D)
9-1/4 x 14 x 12-1/2 inches
235 x 356 x 318mm
Weight
23 lbs/10.5 kg
*High-level (speaker) outputs
are active only if high-level inputs
are used.
are active only if high-level inputs
are used.
©
1998 JBL, Incorporated.
JBL is a registered trademark of JBL, Incorporated.
Part No. ARCSUB8OM 3/98
C
E
L E
B R A T I N
G
5
0
Y E A
R
S
Occasional refinements may
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
be made to existing products
without notice, but will
always meet or exceed
original specifications unless
otherwise stated.
A Harman International Company
Arc Sub8 7/17/98 4:47 PM Page 6
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