Cerwin-Vega Vega Series User manual

USER MANUAL
VEGA SERIES
AMPLIFIED 12“
SUBWOOFER
VPAS12

Specifications
All specifications subject to change without notice.
Power
THD
Signal-to-noise ratio
Frequency response
Input sensitivity, high level
Input sensitivity, low level
Low Pass Filter
Bass Boost
Subsonic Filter
Subwoofer 12 inch, 4ohm
Fuse rating
Dimensions(L x W x H) inches/mm
MODEL:
250 WRMS/600 WMAX
<0.4%
>90dB
30Hz - 150Hz
0.9V -12V
0.3V - 5V
85Hz - 150Hz
0 to + 12dB
30Hz
25A
13.5”(342.9) x 11.25”(285.75 )x 3.0”(76.2)
VPAS12
Cerwin Vega Mobile Amplified Subwoofer
Thank you for purchasing a Cerwin Vega Mobile Amplified Subwoofer for
your car audio system. You have chosen Cerwin Vega Mobile because
you deserve the best!
Cerwin Vega Mobile products are designed and engineered to the highest
quality standards in the industry to create the ultimate listening experience
in your vehicle. For optimal performance of this product, it is highly
recommended that you have your new amplified subwoofer installed by
an authorized Cerwin Vega Mobile dealer. Our authorized dealers have
the necessary experience and installation equipment to ensure that your
amplifier will deliver maximum performance and explain all the details
pertaining to your warranty coverage as well.
If you decide to install the amplified subwoofer by yourself, please
thoroughly read through this manual before getting started. This
manual will help familiarize yourself with this amplified subwoofer
and guide you through the installation process and procedures.
Please contact your local authorized Cerwin Vega Mobile dealer if you
have any questions regarding the instructions in this manual or the
amplifier’s operation capabilities. If you require additional assistance,
please contact the Cerwin Vega Mobile Technical Support Department
during business hours at
213-261-4161 .

Check to make sure you have a good ground connection.
Check that there is at least 12v on the battery (+) terminal
Check that the Remote Input (Turn-On) has at least 10VDC.
Check that the green power LED is lit
Check all fuse, replace if necessary.
Make sure that the Protection LED is not illuminated. If it is lit, shut off
the amplifier briefly, and then Power Cycle (reset).
T
A.POWER STATUS LED
B.PHASE SWITCH
Use this switch to help compensate for time
alignment problems in the system. Such
problems usually result from having the
subwoofer at a different distance from the
listener than the other speakers in the system.
C.AUTO POWER ON
he AUTO POWER ON (ON/OFF) is for high
level (speaker-level) connections. When the
switch is in the “ON” position, the subwoofer
will AUTO POWER ON when signal is detected.
If the amplifier detected no signal input, the
amplifier will auto turn off. If you prefer to use
the remote turn on/off connection, the switch is
in the OFF position.
D.LOW PASS FILTER
This control permits you to define the frequency
range you want the subwoofer amplifier to
receive. The subwoofer will reproduce all sound
BELOW the frequency you set.
F.INPUT GAIN CONTROL
After you have installed your system, turn this
GAIN control to minimum (counter-clockwise).
Turn the head unit on and adjust the head unit
volume to a comfortable listening level.
Slowly turn up the subwoofer input gain control
until you hear a small amount of distortion. Then
reduce the level until the distortion is completely
gone. Level the control at this setting.
G.REMOTE LEVEL CONTROL PORT
If you are going to use the REMOTE BASS
control, attach the included remote level control
BEFORE setting gain and “pre-set” it to about
the 12 o’clock position.
.
H.HIGH LEVEL (speaker level) INPUTS
If your head unit does not have RCA outputs
you can use the speaker outputs for the audio
source for the subwoofer. Use the supplied
cable and wire harness and connect the
outputs properly as shown in the connection
diagram in this manual (FIG2, PG4)
I.LOW LEVEL RCA INPUTS
Low level inputs are the recommended way
to introduce the audio signal to the subwoofer
IF RCA outputs are present on your head unit
or other signal source (such as a sound
processor - see FIG 1, PG4).
J.FUSE
K.POWER INPUT TERMINAL
There is a GREEN “power” LED that glows
green when power is on and no problems are
present. If the protection circuit (PRO) comes
on, it will illuminate the other LED RED
Do not use a fuse with a different value
and NEVER replace the fuse with a wire
or coin. The fuse is there to protect the vehicle
NOT the amplifer/subwoofer.
T
E.BASS BOOST
he BASS BOOST feature will increase the
sound level in the bass frequencies.
Note: Please connect the remote terminal
to the remote output of head unit as in
Fig.4. When you hear the unit turn ON/OFF
there should be a very slight POP noise
from the subwoofer.
Note: The low pass filter frequency can be
higher or lower than the marked Frequency.
There is a +/-20% tolerance.
Panel controls and features
3
Features/Functions
Use 8 guage COPPER wire!! NOT CCA type
cheap-o deluxe wire kits!!!!
This is usually caused by poor quality RCA cables, which can pick up
radiated noise. Use only the best quality cables, and route them away
from power cables.
Check that the RCA grounds are not shorted to the vehicle chassis
Check that the head unit is properly grounded.

Low Level Input Wiring
Low-level (RCA) input wiring is preferred for best audio performance. Most trunk
or hatchback installations will require a 15-20 foot RCA cable, while pickup trucks
and under-seat installations will require a 6-12 foot RCA cable. Always use a
high quality cable.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
High Level Input Wiring
The high level input(s) should only be used when your headunit lacks RCA outputs.
If the RCA outputs are not present, connect the speaker outputs from the head unit
to the high level input connector of the amplifier. Be sure to observe polarity to
avoid audio phase problems.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
WHITE L+
GREY R+ R- GREY/BLACK
L- WHITE/BLACK
To Speaker Terminals
of head unit
Fig.1
Fig.2
ESC
VIEW
BAND SOURCE
AUDIO
MUTE FUNC
TAG
From Audio outputs of head
unit or signal processor
Remote
Level Control
4
ESC
VIEW
BAND SOURCE
AUDIO
MUTE FUNC
TAG
Installation
SPECIAL NOTE: Always route power and signal seperatly

Power Connections
Connect the ground terminal to the closest point on the chassis of the vehicle.
Keep this ground wire to less than 18" (45 cm) in length. Use 8 gauge wire
(NO CCA WIRE!!!!)
Connect the remote terminal to the remote output of head unit using 16 gauge
wire.
Connect an empty fuse holder within 18" (45 cm) of the car battery, and run 8
gauge cable from this fuse holder to the amplifier location. Then connect the
fuse holder to the "BATTERY+" (+12V) connection on the subwoofer rear
panel. Insert FUSE now.
Fig.4
Fig.3
Chassis
ground
point
to REMOTE TURN-ON
terminal of head unit
NOTE: In this connection, the
AUTO TURN ON switch is in the
OFF position.
Installation
5
FUSE
FUSE
Chassis
ground
point
NOTE: In this connection, the
AUTO TURN ON switch is in the
ON position.

In the trunk
We included mounting brackets to ensure the subwoofer remains securely mounted.
Two types of installation are possible.
1 - Rear seats must be positioned in their normal fixed position.
2 - Decide the best location possible that suits your automobile and space available.
The best and most secure location for optimum sound quality is behind the rear
seats, or the trunk floor (see Figure 1).
3 - Ensure the area for subwoofer location is clean and tidy. Any loose objects must be
removed, as they could knock and damage the subwoofer.
4 - Once the location has been decided, mark the screw hole positions for the fixing
brackets. Be cautious of plastic panels!!
5 - Drill holes of 2 mm for the 4 fixing brackets, at your defined locations.
6 - Fix the clamps to the subwoofer basket with the four machine screws M6*8
(the mounting brackets have a mounting direction system). (Figure 2 & 3)
7 - Position the subwoofer so that the holes correspond to the M4*25 supplied screws
and fix it. (Figure 4)
8 - Please make sure the subwoofer enclosure is tightly fixed.
Installation
6
Figure 1
CAUTION!! Make sure to not drill or screw into vital vehicles componets!!!

Installation
7
Figure 2
Figure 3
Figure 4
(4) M4*25mm supplied screws
(4) Machine Screws M6*8
(4) Mounting Tabs
Pre Drilled Mounting hole

Under a seat
taesarednU
1 - The seat must be positioned in its normal fixed position.
2 - Decide the best location possible that suits your automobile and space
available, checking that the enclosure doesn’t hamper the seat mobility.
(See Figure 1)
3 - Ensure the area for subwoofer location is clean and tidy. Any loose objects
must be removed.
4 - Once the location has been decided, mark the screw hole positions for the
fixing brackets.
5 - Drill holes of 2 mm for the 4 fixing brackets, at your defined locations.
6 - Fix the clamps to the subwoofer basket with the 4 -machine screws M6*8
(the fixing clamps have a mounting direction system) (Figure 2 & 3)
7 - Position the subwoofer so that the holes correspond to the M4*25 supplied
screws and fix it. (Figure 4)
8 - Please make sure the subwoofer enclosure is tightly fixed
Installation
8
Figure 1
CAUTION!! Make sure to not drill or screw into vital vehicles componets!!!

9
Installation
Figure 2
Figure 3
Figure 4
(4) M4*25mm supplied screws
(4) Machine Screws M6*8
(4) Mounting Tabs
Pre Drilled Mounting hole

Troubleshooting
If you experience operation or performance problems with this product, compare your
installation with the electrical wiring diagram on the previous pages. If problems persist,
read the following troubleshooting tips which may help eliminate the problems.
Amplifier will not
power up.
Protection LED
comes on when
amplifier is
powered up
No output.
Low output.
High hiss in the
sound.
Squealing noise
is present.
Distorted sound.
Amplifier gets
very hot.
Engine noise
(static type)
Engine noise
(alternator whine)
SYMPTOM POSSIBLE REMEDY
Check to make sure you have a good ground connection.
Check that there is at least 12v on the battery (+) terminal
Check that the Remote Input (Turn-On) has at least 10VDC.
Check that the green power LED is lit
Check all fuse, replace if necessary.
Make sure that the Protection LED is not illuminated. If it is lit, shut off
the amplifier briefly, and then Power Cycle (reset).
Turn down the volume control on the head unit to prevent overdriving
the input speaker leads,
Try Power cycling (reset) the amplifier. If the Protection LED still comes
on, then the amplifier is faulty and needs servicing
10
Troubleshooting
Check that all fuses are OK.
Check that the power light in on
Check that unit is properly grounded.
Check that the Remote Input (Turn-On) has at least 10VDC.
Check that the input signal connections are plugged in properly.
Readjust the Input Gain Control.
Check the Crossover Control settings, possibly try a higher frequency.
Disconnect all RCA inputs to the power sub's control panel. If the hiss
disappears, then plug in the component driving the amplifier and
unplug its inputs. If the hiss disappears at this point, go on until the
faulty/noisy component is found.
Reset Input Gain. It is best to set the subwoofers input level control as
low as possible. The best subjective signal-to-noise ratio is achieved in
this manner. Try to set the head unit as high as possible (without
distortion) and the subwoofer input level as low as possible.
Check for improperly grounded RCA interconnects. Or possible “blown”
signal ground from headunit. (Some headunits are notorious for this!)
Check that the Input Gain control is set to match the signal level of the
head unit. Always try to set the Input Gain on the subwoofer as low
possible. Input gain is NOT power output!! Check that all crossover
frequencies are properly set.
Readjust the Input Gain Control.
Make sure to NOT use CCA power wire as it will cause these issues
This is usually caused by poor quality RCA cables, which can pick up
radiated noise. Use only the best quality cables, and route them away
from power cables.
Check that the RCA grounds are not shorted to the vehicle chassis
Check that the head unit is properly grounded.

Thank you for purchasing a Cerwin Vega Mobile product and we hope to provide you with countless hours of listening enjoyment.
Please take a brief moment to register your new product. By registering your new product, you will receive benefits such as:
- Important product notifications that may pertain to your purchase.
- Confirmation and record of ownership in case of loss or theft.
- Knowledgeable customer service and technical assistance pertaining to your product.
Register your new product by completely filling out this Product and Warranty Registration card or register online at
www.cerwinvegamobile.com.
Registration is voluntary and failure to register will not diminish your limited warranty rights.
Limited Warranty (U.S.A.)
Cerwin Vega Mobile warrants all of our amplifiers and speakers to be free of defects in materials and workmanship for a period of
one (1) year.
This warranty is non-transferable and applies only to the original purchaser from an authorized Cerwin Vega Mobile dealer. If service
is required and necessary under this warranty due to manufacturing defect or malfunction, then Cerwin Vega Mobile will repair
and/or replace defective product with either new or remanufactured like product at no charge at our discretion.
Damage to product caused by the following will not be covered under this warranty: abuse, accident, misuse, neglect, modifications,
repairing attempts, seller/installer misrepresentation.
This warranty does not cover any incidental, consequential, or cosmetic damage due to accidents or normal wear and tear, nor does
it cover the cost of removing or reinstallation of the product.
Warranty is void if the product’s serial number has been removed, defaced, and/or tampered with.
Warranty Procedure:
We recommend that you contact your Cerwin Vega Mobile authorized dealer where your original purchase was made to initiate all
warranty claims. Our authorized dealers can guide you through the warranty procedure to ensure that your claim will be processed in
a timely manner. All warranty returns must be accompanied with a proof of purchase (a copy of the original sales receipt) and be
shipped freight prepaid to our facility with an RA (Return Authorization) number clearly marked on the outside of the package. Direct
returns from consumers or non-authorized dealers will be refused if shipped without a valid RA number authorized by Cerwin Vega
Mobile beforehand.
INTERNATIONAL
Products purchased outside of the U.S.A. are covered only by that country’s distributor and not by Cerwin Vega Mobile U.S.A.
Please Ship All Warranty Claims With Pre-Authorized RA Number To:
CV&DA Holdings, Inc.
ATTN: Customer Service Department
1225 E. 7th St.
Los Angeles, CA 90021 USA
Please Contact Customer Service for Further Warranty Information:
U.S.A.
Tel: [phone] / Fax: [phone]
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