JBL HTPS 300 (serv.man3) User Manual / Operation Manual ▷ View online
Normal Mode:
If your surround processor/
receiver does not contain a
subwoofer crossover.
If your surround processor/
receiver does not contain a
subwoofer crossover.
High Level
Inputs
High Level
Outputs
L R
L R
Phase
0
°
180
°
On
Stby
0 10
50Hz 120Hz
+ – – +
+ – – +
Line
THX
THX
Controls
Bypassed
Line Level
Input
Input Output
( )
Subwoofer
Out
L R
Output
Level
Crossover
Frequency
Frequency
Receiver/Amplifier
High Level
If your receiver does not
have subwoofer outputs:
have subwoofer outputs:
High Level
Inputs
High Level
Outputs
L R
L R
Phase
0
°
180
°
On
Stby
0 10
50Hz 120Hz
+ – – +
+ – – +
+ – – +
+ –
Line
THX
THX
Controls
Bypassed
Line Level
Input
Input Output
( )
Left
Front Speaker
+ –
Right
Front Speaker
Front Speakers
Left Right
Output
Level
Crossover
Frequency
Frequency
Receiver/Amplifier
Note: Some receivers/
processors have a mono
subwoofer output. In this
case, you must use a “Y”-
connector (not included) in
order to maximize the sub-
woofer’s performance.
processors have a mono
subwoofer output. In this
case, you must use a “Y”-
connector (not included) in
order to maximize the sub-
woofer’s performance.
HT PS 300 (120V) OM 7/22/98 2:05 PM Page 5
Operation
The HT PS300 contains a
signal sensing auto turn-
on/off circuit. This feature
will automatically turn the
signal sensing auto turn-
on/off circuit. This feature
will automatically turn the
subwoofer on when you turn
your system on and begin
playing any program material.
The subwoofer will return to
your system on and begin
playing any program material.
The subwoofer will return to
standby when no signal is
received for approximately
5 minutes. The power switch
is for vacation use only.
received for approximately
5 minutes. The power switch
is for vacation use only.
The Crossover Frequency
adjustment determines
the highest frequency the
HT PS300 will reproduce. It
allows a seamless transition
from the subwoofer to the
adjustment determines
the highest frequency the
HT PS300 will reproduce. It
allows a seamless transition
from the subwoofer to the
satellite speakers. Experiment
with this adjustment to
find the crossover frequency
that sounds best with your
speakers.
with this adjustment to
find the crossover frequency
that sounds best with your
speakers.
Note: When the THX/Normal
switch is set to “THX,” the
internal crossover is bypassed.
Crossover frequency is then
adjusted at the THX processor.
switch is set to “THX,” the
internal crossover is bypassed.
Crossover frequency is then
adjusted at the THX processor.
The Phase switch is used to
adjust the relative polarity of
the subwoofer. Listen to your
HT PS300 subwoofer and main
speakers with the switch in
the “0°” position, then listen
to the same material with the
adjust the relative polarity of
the subwoofer. Listen to your
HT PS300 subwoofer and main
speakers with the switch in
the “0°” position, then listen
to the same material with the
switch set to “180°”
. Decide
which sounds better and
leave the switch in this posi-
tion. Repeat this procedure if
you change the location of
the subwoofer.
leave the switch in this posi-
tion. Repeat this procedure if
you change the location of
the subwoofer.
Standby
On
Mode
Procedure
LED Status
LED Status
Off
Power switch off
Off
Off
On
Power switch on and play program material
Off
On
Standby
Simply turn off your receiver/processor. The HT PS300 will
On
Off
turn off after approximately five minutes. The subwoofer will
turn on when your receiver/processor begins playing again.
turn on when your receiver/processor begins playing again.
Crossover Frequency
Phase
Output Level
Note: When the THX/Normal
switch is set to “THX,” the
output control is bypassed.
Output level is then adjusted
at the THX processor.
switch is set to “THX,” the
output control is bypassed.
Output level is then adjusted
at the THX processor.
0 10
Output
Level
0 10
Output
Level
HT PS 300 (120V) OM 7/22/98 2:05 PM Page 6
If there is no output from
the subwoofer, check the
following:
the subwoofer, check the
following:
• System is on and a source
is playing.
• The HT PS300 is plugged in
and “Power” is on.
• If you are using the
THX input, make sure the
THX/ Normal switch is set
to “THX.”
• If you are not using the
THX input, make sure the
THX/ Normal switch is set
to “Normal.”
• If you are using the “High
Level Inputs,” check all wires
and connections between the
receiver/amplifier and the
subwoofer. Make sure all wires
are connected and that none
of the speaker wires are
frayed, cut, or punctured.
• Adjust the “Output Level”
control.
• Review proper operation of
your receiver/amplifier.
is playing.
• The HT PS300 is plugged in
and “Power” is on.
• If you are using the
THX input, make sure the
THX/ Normal switch is set
to “THX.”
• If you are not using the
THX input, make sure the
THX/ Normal switch is set
to “Normal.”
• If you are using the “High
Level Inputs,” check all wires
and connections between the
receiver/amplifier and the
subwoofer. Make sure all wires
are connected and that none
of the speaker wires are
frayed, cut, or punctured.
• Adjust the “Output Level”
control.
• Review proper operation of
your receiver/amplifier.
If there is low bass output,
check the following:
check the following:
• Make sure that the sub-
woofer is plugged into a live
electrical outlet and the
“Power” is on.
• If you are using the “High
Level Inputs,” make sure the
connections to the left and
right “High Level Inputs”
have the correct polarity
(+ and –).
• Adjust the “Crossover
Frequency.”
• Adjust the “Output Level”
control.
• Change the setting on the
“Phase” switch.
woofer is plugged into a live
electrical outlet and the
“Power” is on.
• If you are using the “High
Level Inputs,” make sure the
connections to the left and
right “High Level Inputs”
have the correct polarity
(+ and –).
• Adjust the “Crossover
Frequency.”
• Adjust the “Output Level”
control.
• Change the setting on the
“Phase” switch.
If you are hearing midrange
frequencies (such as voices)
through the subwoofer,
check the following:
frequencies (such as voices)
through the subwoofer,
check the following:
• When using the THX mode,
make sure the subwoofer
crossover is activated on your
processor/receiver.
• When using the “Line
Level” or “High Level Inputs,”
adjust the “Crossover
Frequency” to a lower
frequency.
make sure the subwoofer
crossover is activated on your
processor/receiver.
• When using the “Line
Level” or “High Level Inputs,”
adjust the “Crossover
Frequency” to a lower
frequency.
Troubleshooting
HT PS 300 (120V) OM 7/22/98 2:05 PM Page 7
©
1996 JBL, Incorporated. JBL is a registered trademark of JBL, Incorporated.
Lucasfilm and THX are registered trademarks of Lucasfilm Ltd.
Printed in Canada 12/96
Printed in Canada 12/96
Part No. HTPS300OM
C
E
L E
B R A T I N
G
5
0
Y E A
R
S
A Harman International Company
Amplifier Power
200 watts
Drivers
Dual 12" with polymer-laminated cones
Inputs
THX and normal line level, high level
Outputs
High level
Crossover Frequency –
Normal and High Level Inputs
50Hz – 120Hz (continuously adjustable)
Frequency Response
200 watts
Drivers
Dual 12" with polymer-laminated cones
Inputs
THX and normal line level, high level
Outputs
High level
Crossover Frequency –
Normal and High Level Inputs
50Hz – 120Hz (continuously adjustable)
Frequency Response
(Determined by crossover setting)
25Hz – crossover point
Dimensions (HxWxD)
21-3/4 x 21 x 21"
552 x 533 x 533mm
Weight
67 lbs/30.5 kg
Dimensions (HxWxD)
21-3/4 x 21 x 21"
552 x 533 x 533mm
Weight
67 lbs/30.5 kg
Specifications
Occasional refinements may
be made to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
be made to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
HT PS 300 (120V) OM 7/22/98 2:05 PM Page 8
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