PC-10
SUBWOOFER
O w n e r s M a n u a l
Care and Cleaning
To maintain speaker appearance, we recommend an occasional application
of furniture grade polish to the wood surface of the cabinet. To clean dust from
the grille cloth, use a vacuum with a brush attachment.
Features
A powered subwoofer is a must-have component for any home theater or
audio system. The performance of your subwoofer can greatly affect the
overall performance of your system. Without the powered subwoofer, the
deep bass on your music CDs and special effects on DVDs may not be heard
and/or felt. Think of a subwoofer as a vital component that adds excitement to
your theater or music experience. The powered subwoofer has its own source
of amplification (as opposed to passive, non-amplified subwoofers which
require an additional power amplifier). Subwoofers can add considerable low-
frequency, deep bass performance to any home theater or audio system.
At the heart of the RBH PC-10 powered subwoofer is a compressed cellulose
composite cone driver. The driver material produces enhanced bass definition
and accuracy. A powerful magnet, enhanced suspension and heavy duty
voice coil give the driver elevated performance allowing high output capability
and accurate dynamic reproduction.
The PC-10 powered subwoofer incorporates a discrete class A/B analog
power supply amplifier ensuring low distortion, high current output and proven
reliability. Variable crossover, adjustable phase control and auto on/off are also
used for convenience and easy integration with other speakers. Connectivity is
made easy by allowing the subwoofer to be connected by either interconnect
(processor/line level) or speaker wire (high level).
Cabinets are constructed from medium density fiberboard because of its inert
properties. The thickness of the front baffles also prevents excess acoustic
radiation. Large oversized gold binding posts ensure a good electrical contact.
Sophisticated computer modeling and measurement techniques are used
extensively in the RBH subwoofer design process.
Setup Suggestions
Placement of the subwoofer will largely determine quality, quantity and
extension of the bass frequencies within your listening room. Bass frequencies
are reinforced by close room boundaries. Placing the subwoofer in a corner will
make the subwoofer sound louder and boost the very lowest frequencies.
Setup Suggestions (continued)
Placing the subwoofer away from walls will provide the least reinforcement,
making the bass sound subjectively thinner than if the woofer were closer to
a wall. Good results can usually be obtained by placing a subwoofer along a
wall 1-3 feet from a corner. Experiment with placement of the subwoofer and
the sub-amplifier controls to achieve the proper bass balance.
It is important the signal being sent to the subwoofer be a non-boosted
or “flat” signal. To be sure of this, check the settings on your receiver or
processor to determine any “bass boost”, “super bass” or “loudness” is set
to Off. In most cases for home theater setting a receiver or processor will
determine the crossover frequency through bass management settings. In this
configuration connect the receiver or processor to the LFE Line Level Input.
Your subwoofer can now reproduce the bass frequencies the way they were
originally recorded. Use the subwoofer level control and the individual bass
management control within the receiver or processor to adjust the subwoofers
volume if necessary. Once set, the volume controls should not need to be
altered as the subwoofers volume will coincide with the master volume control
of your receiver or processor.
Amplifier Controls and Setup
1. Volume Control: The volume control should be at the
minimum setting (all the way counter clockwise) before
plugging the subwoofer into a 120V AC wall socket.
2. Crossover Frequency Control: The variable
crossover frequency control allows you to set the
crossover point of the subwoofer anywhere from
50-150 Hz. This control is only active with use
of the left and right line level inputs (#5). If using
these inputs experiment with setting the crossover
frequency control at highest setting initially.
Increasing the crossover frequency will allow more
mid-bass output from the subwoofer. Decreasing
the frequency will cut more mid-bass output from
the subwoofer.
Back View of PC-10 Subwoofer
3. Phase Control: This control changes the phase
of the subwoofer. Changing the phase will change
the way the subwoofer and main speakers interact
with each other at the crossover frequency. Varying
the phase position may result in more or less mid-
bass depending on the phasing between the main
speakers and the subwoofer. Generally, the phase
is left at the 0° position.
4. LFE Line Level Input: Typically this will be the
line level input used to connect to most receivers
or processors. The LFE input will bypass the
subwoofers crossover control, rendering it non-
functioning. This input should be used when the
input signal is coming from a receiver or processor
where the bass management is controlled by the
receiver or processor.
5. L/R Line Level Input: If a full-range signal is being
sent from the receiver or processor then these inputs should be used. In this
configuration the crossover frequency (#2) is active.
6. High Level Input: These binding post terminal connectors are for the amplifier/
speaker level input from an amplifier or receiver. Usually, the LFE line level input
(#4) will be used. Important! Use either the Line Input or the High Level Input.
DO NOT use them both simultaneously.
7. High Level/Speaker Output: This is a 100 Hz high pass crossover for your
satellite/main speakers. The crossover limits the low frequencies (below 100 Hz)
from going to your satellite/main speakers. You may use this crossover only when
using the High Level Input terminals. Connect your main speakers (observing the
proper polarity) to the terminals labeled “High Level Out”.
Specifications
Model:
PC-10
Frequency Response:
Amplifier Power:
Woofer:
30Hz-150kHz ±3dB
100 Watts
10” Compressed Cellulose Composite Woofer
Crossover Frequencies:
Dimensions:
50-150Hz
13”H x 14½”W x 14½”D
30 lbs.
Weight:
Troubleshooting
Situation:
Probable Cause:
Solution:
No sound from
subwoofer(s)
Amplifier is not connected
to constant power outlet.
Make certain the amplifier is
plugged into an unswitchable
A.C. power outlet.
Amplifier is not receiving an Make certain there is an audio
audio signal from receiver
or processor
signal from receiver or proces-
sor and audio connections
resemble those in the connec-
tions section of this manual.
Amplifier fuse might be
blown.
Replace fuse (if fuse is not
readily accessible, consult your
authorized RBH dealer).
Performance is
less than
The + and - polarity of the
subwoofer wire might be
Check the entire system for
proper polarity. Experiment
expected
reversed on the subwoofer. with the phase switch.
Crossover frequency not
adjusted correctly.
Adjust crossover frequency
by turning the crossover fre-
quency control clockwise until
desired sound is obtained.
L/R line level input is con-
nected instead of the LFE
line level input..
If bass management is enabled
on receiver or processor make
sure to use the LFE line level
input. (See amplifier controls
and setup on previous page.)
Warranty
Your RBH Sound PC-10 subwoofer is covered by a limited warranty against
defects in materials and workmanship for a period of 5 (five) years on the
woofer and cabinet, and 1 (one) year on the amplifier from the original date
of purchase. This warranty is provided by the authorized RBH Sound dealer
where the subwoofer was purchased. Warranty repair will be performed only
when your purchase receipt is presented as proof of ownership and date of
purchase. Defective parts will be repaired or replaced without charge by your
dealer’s store or the location designated by your dealer that is authorized to
service RBH products.
Charges for unauthorized service and transportation cost are not reimbursable
under this warranty. This warranty becomes void if the product has been
damagedbyalteration,misuseorneglect.Thewarrantorassumesnoliabilityfor
property damage or any other incidental or consequential damage whatsoever
which may result from the failure of this product. Any and all warranties of
merchantability and fitness implied by law are limited to the duration of this
express warranty. Some states do not allow limitations on how long an implied
warranty lasts, so the above limitations may not apply to you. Some states do
not allow the exclusion or limitation of incidental or consequential damages,
so the above limitation or exclusion may not apply to you.
Redefining the Way You Experience Sound.TM
382 Marshall Way, Layton, Utah • USA • 84041
Toll Free: (800) 543-2205 • Fax: (801) 543-3300
It is RBH Sound policy to continuously incorporate improvements into products; all specifications are subject to change without notice.
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