Read JBL JBL 1920II CENTER User Guide / Operation Manual online
JBL1920II Center
JBL1920II Rear
JBL1920II Rear
simple setup guide
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and reproduction, from live performances to monitoring the
recordings you play in your home, car or office.
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MR CenterII/M4 OM 7/17/98 3:38 PM Page 1
On TV.
Mounting Options
JBL1920II Rear
On shelves.
JBL1920II Rear
5 – 6 ft.
JBL1920II Center
one.
Speaker Placement
0-2 ft.
JBL1920II Center
On wall.
The customer is responsible
for proper selection and use
of mounting hardware, avail-
able through hardware stores,
to properly and safely wall
mount the speakers.
for proper selection and use
of mounting hardware, avail-
able through hardware stores,
to properly and safely wall
mount the speakers.
two.
Speaker Connections
Separate and strip the ends of
the speaker wire as shown.
Speakers and electronics ter-
minals have corresponding (+)
and (–) terminals. It is impor-
tant to connect both speakers
the speaker wire as shown.
Speakers and electronics ter-
minals have corresponding (+)
and (–) terminals. It is impor-
tant to connect both speakers
identically: (+) on the speaker
to (+) on the amplifier and (–)
on the speaker to (–) on the
amplifier. Wiring “out of phase”
results in thin sound, weak
bass and a poor stereo image.
to (+) on the amplifier and (–)
on the speaker to (–) on the
amplifier. Wiring “out of phase”
results in thin sound, weak
bass and a poor stereo image.
Connection Tips
MR CenterII/M4 OM 7/17/98 3:38 PM Page 2
If there is no sound from
the surround speakers,
check the following:
the surround speakers,
check the following:
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed,
cut or punctured.
• Review proper operation of
your receiver/amplifier and its
surround-sound features.
• Make sure the movie or TV
show you are watching is
recorded in Dolby
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed,
cut or punctured.
• Review proper operation of
your receiver/amplifier and its
surround-sound features.
• Make sure the movie or TV
show you are watching is
recorded in Dolby
*
Surround.
If it is not, check to see if
your receiver/amplifier has
other surround modes you
may use.
your receiver/amplifier has
other surround modes you
may use.
If there is no sound from
the center speaker, check
the following:
the center speaker, check
the following:
• Make sure that your
receiver’s Center Channel
Mode is in the “normal” or
“wide” position. If it is in
the “phantom” position, the
center speaker will not play.
• Check all connections
between processor/amplifier
and the center speaker.
receiver’s Center Channel
Mode is in the “normal” or
“wide” position. If it is in
the “phantom” position, the
center speaker will not play.
• Check all connections
between processor/amplifier
and the center speaker.
If the system plays at low
volumes but shuts off as
volume is increased, check
the following:
volumes but shuts off as
volume is increased, check
the following:
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed,
cut or punctured.
• If more than one pair
of main speakers is being
used, check the minimum-
impedance requirements of
your receiver/amplifier.
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed,
cut or punctured.
• If more than one pair
of main speakers is being
used, check the minimum-
impedance requirements of
your receiver/amplifier.
Troubleshooting
– +
– +
– +
+ –
+ –
Receiver
Left
JBL1920II Rear
Right
JBL1920II Rear
Center
Front
Left
Left
Surround
Front
Right
Right
Right
Surround
– +
JBL1920II Center
– +
– +
MR CenterII/M4 OM 7/17/98 3:38 PM Page 3
©
1997 JBL, Incorporated. JBL is a registered
trademark of JBL, Incorporated.
*Trademark of Dolby Laboratories.
12/97
*Trademark of Dolby Laboratories.
12/97
Part No. 1920IICENTER/REAROM
Declaration of Conformity
Kongevejen 194B
DK-3460 Birkerød
DENMARK
DK-3460 Birkerød
DENMARK
declare in own responsibility, that the products described
in this owner’s manual are in compliance with technical
standards:
EN 50 081-1/1992
EN 50 082-1/3.1995
Steen Michaelsen
Birkerød. DENMARK. 12/97
C
E
L E
B R A T I N
G
5
0
Y E A
R
S
A Harman International Company
Specifications
*The maximum recommended
amplifier power rating will
ensure proper system head-
room to allow for occasional
peaks. We do not recommend
sustained operation at these
maximum power levels.
amplifier power rating will
ensure proper system head-
room to allow for occasional
peaks. We do not recommend
sustained operation at these
maximum power levels.
Occasional refinements may
be made to existing products
without notice, but will
always meet or exceed origi-
nal specifications unless
otherwise stated.
be made to existing products
without notice, but will
always meet or exceed origi-
nal specifications unless
otherwise stated.
JBL1920II Center
JBL1920II Rear
High-Frequency Transducer:
2-1/2" fiber cone
1/2" poly dome
Low Frequency
(high-polymer laminate):
(high-polymer laminate):
4-1/2" (2)
4-1/2"
Crossover Frequency:
7.5kHz
9.0kHz
Frequency Response (–6dB):
90Hz – 20kHz
100Hz – 20kHz
Sensitivity (1 watt/1 meter):
90dB
90dB
Nominal Impedance:
8 ohms
8 ohms
Recommended Maximum
Power Handling*:
Power Handling*:
100 watts
50 watts
Dimensions (H x W x D):
6 x 18-1/2 x 5-7/8"
8-11/16 x 5-7/8 x 5-1/4"
152 x 470 x 149mm
221 x 149 x 133mm
Weight:
10 lbs/4.5 kg
5 lbs/2.3 kg
MR CenterII/M4 OM 7/17/98 3:38 PM Page 4