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APPLICATIONS – BPx MODELS
To the right are several application
diagrams to help plan your subwoofer
system installation. Figures 1 through 3
show how to configure the JBL Power
Series subwoofer amplifiers (models
BPx500.1, BPx1100.1 and BPx2200.1)
for 2-channel, bridged-mono and
parallel-mono operation (also see
“Setting the Output Mode” on page 6).
NOTE: For simplicity, Figures 1 through
3 do not show power, remote and input
connections.
NOTE: If the nominal impedance
of your speaker system is close to
2 ohms, be prepared to try both
bridged and parallel configurations to
determine which performs better.
3
BPx Amplifier
(partial rear panel)
*
S
EE MANUAL FOR PARALLEL CONNECTION
2
CHANNEL
B
RIDGED
PARALLEL
*
C
H 1 CH2
SPEAKER OUTPUTS
N
EON
Subwoofer
Subwoofer
Set OUTPUT MODE
to 2CH/BR
(
on input panel)
PARALLEL
2CH/BR
OUTPUT MODE
See “Setting the Crossover(s)” on page 6
to adjust X-OVER controls
(
on input panel)
12dB 24dB
32Hz 320Hz
FREQ
S
LOPE
X-OVER
BPx Amplifier
(partial rear panel)
*
SEE MANUAL FOR PARALLEL CONNECTION
2 CHANNEL
BRIDGED
PARALLEL
*
CH 1
CH 2
SPEAKER OUTPUTS
N
EON
Subwoofer (less than 2 ohms)
Set OUTPUT MODE
to PARALLEL
(on input panel)
PARALLEL
2CH/BR
OUTPUT MODE
See “Setting the Crossover(s)” on page 6
to adjust X-OVER controls
(on input panel)
12dB 24dB
32Hz 320Hz
FREQ
SLOPE
X-OVER
jumper
Figure 1. The JBL Power Series
subwoofer amplifier is set to
2-channel mode to drive a pair
of subwoofers.
Figure 2. The JBL Power Series
subwoofer amplifier is set to
bridged (mono) mode to drive
a single subwoofer. Use this
mode only when the nominal
impedance of the speaker
system is 2 ohms or greater.
Figure 3. The JBL Power Series
subwoofer amplifier is set to
parallel mode to drive a single
subwoofer. Use this mode only
when the nominal impedance
of the speaker system is less
than 2 ohms.
NOTE: A jumper is added
between the + terminals.
BPx Amplifier
(partial rear panel)
*
S
EE MANUAL FOR PARALLEL CONNECTION
2 CHANNEL
B
RIDGED
PARALLEL
*
C
H 1 CH 2
SPEAKER OUTPUTS
N
EON
Subwoofer (2 ohms or greater)
Set OUTPUT MODE
to 2CH/BR
(on input panel)
PARALLEL
2CH/BR
OUTPUT MODE
See “Setting the Crossover(s)” on page 6
to adjust X-OVER controls
(on input panel)
12dB 24dB
32Hz 320Hz
FREQ
SLOPE
X-OVER