Cerwin-Vega V250.2 Bedienungsanleitung

INTRODUCTION

Dear Cerwin-Vega Mobile Customer,

Thank you for making Cerwin-Vega Mobile your choice for high performance car audio products. At

Cerwin-Vega Mobile, our goal is to produce products of unsurpassed quality. We believe you will not

nd a better value anywhere in the mobile audio environment.

To ensure that your new Cerwin-Vega Mobile amplier provides years of enjoyment, you should

consider having it installed by a professionally trained technician. They have the knowledge to make

your new amplier perform its very best.

WARNING: Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent

hearing loss. Cerwin-Vega Mobile ampliers can exceed that level so please exercise restraint when

listening and enjoying your new amplier.

GENERAL PRECAUTIONS

• This unit is designed for negative ground 12V DC operation only.

• Total system impedance must not be less than 2 ohms.

• Avoid installing the unit where:

- It would be subject to high temperatures, such as from direct sunlight or hot air from the heater.

- It would be exposed to rain or moisture.

- It would be subject to dust or dirt.

• Do not cover the unit with carpet or wires.

• Do not use the unit with a weak auto battery. Optimum performance depends on a normal battery

supply voltage.

• For safety reasons, keep the volume of your car audio system moderate while driving your vehicle

so that you can still hear normal trafc sounds outside your car.

MOUNTING PRECAUTIONS

Although Cerwin-Vega Mobile ampliers incorporate heat sinks and protection circuits, mounting

the amplier in a tight space without any air movement can still damage internal circuitry over time.

Choose a location that provides adequate ventilation around the amplier. For easy system set-up,

mount the amplier so the side panel controls will be accessible after installation. In addition, ob-

serve the following precautions:

1. For the most efcient cooling, mount the amplier so that air runs along the length of the ns

rather than across them. Remember, any moving air across the amplier will reduce heat.

2. Mount the amplier on a solid surface. Avoid mounting to subwoofer enclosures or areas prone to

vibration. Do not install the amplier on plastic or other combustible materials.

3. Prior to mounting the amplier, make sure not to cut or drill into the fuel tank, fuel lines, brake

lines (under chassis) or electrical wiring.

WIRING PRECAUTIONS

1. Before installation, make sure the source unit power switch is in the OFF position.

2. Disconnect the negative (-) lead of the battery before making any power connections.

3. When making connections, be sure that each one is clean and secure. Insulate all of your connec-

tions. Failure to do so may damage your equipment.

4. A secure clean ground connection is critical to the performance of your amplier. Connect the

ground directly to the car chassis to minimize resistance and avoid any noise problems.

5. Add an external fuse on the amplier’s positive (+) power lead and connect it as close as possible

to the vehicle’s (+) battery terminal. Use a rating that equals the total current consumption at full

output of all ampliers in the system. This external fuse will protect the vehicle from short circuits

that can cause a re.

WIRING INSTRUCTIONS

Power Connection

The main power cable must be connected to the positive terminal of the vehicle battery to provide

an adequate voltage source and minimize noise. There must be an inline fuse within 18 inches of the

battery. Connecting the battery terminal lead to any other point will reduce the power output and

may cause noise and distortion. Use only 4 gauge or larger wire for this lead and connect it to the (+)

terminal of the battery with system fuse inline. Do not install the fuse in the fuse holder until the

entire installation is completed.

Ground Connection

The ground terminal (GND) connection is also critical to the correct operation of the amplier. Use a

wire of the same gauge as the power connection and connect it between the ground terminal (GND)

of the amplier and a metal part of the vehicle close to the mounting location. This wire should be

as short as possible and any paint or rust at the grounding point should be scraped away to provide a

clean metal surface to which the end of the ground wire can be screwed or bolted.

Remote Turn-On Connection

The amplier is turned on by applying +12V to the remote turn-on terminal (REM). The wire lead to

this terminal should be connected to the remote lead from the car stereo which will provide the +12V

only when the car stereo is turned on. If the car stereo does not provide a remote lead, the remote

turn-on lead may be wired to an accessory terminal in the car’s fuse block. This will turn the amplier

on and off with the ignition key, regardless of whether the car stereo is on or off.

Speaker Connections

Depending on the type and number of speakers used with the amplier, wire them to the speaker

terminals as per the appropriate wiring diagram (see below). For most applications 18 gauge wire is

adequate for the speaker leads. For leads in excess of ten feet, 16 gauge wire is recommended. When

wiring the speakers, pay careful attention to the polarity of the terminals on the speakers and make

certain they correspond to the polarity on the amplier. Do not ground any speaker leads to the chassis

of the vehicle. Please see your authorized Cerwin-Vega Mobile dealer for specic wire recommendations.

TYPICAL SPEAKER CONNECTIONS TO YOUR CERWIN-VEGA MOBILE AMPLIFIER

INPUT CONNECTIONS

Most aftermarket source units will provide you with at least one pair of RCA outputs to provide a

clean (low-level) input for your amplier.

REAR

FRONT

L R

MIN

BRIDGED

MIN

REAR

FRONT

L R

MIN

BRIDGED

MIN

LF FULL RANGE RF FULL RANGE

LR FULL RANGE RR FULL RANGE

REAR

FRONT

L R

MIN

BRIDGED

MIN

REAR

FRONT

L R

MIN

BRIDGED

MIN

LF FULL RANGE RF FULL RANGE

LR FULL RANGE RR FULL RANGE

REAR

FRONT

L R

MIN

BRIDGED

MIN

REAR

FRONT

L R

MIN

BRIDGED

MIN

LF FULL RANGE RF FULL RANGE

LR FULL RANGE RR FULL RANGE

REAR

FRONT

L R

MIN

BRIDGED

MIN

REAR

FRONT

L R

MIN

BRIDGED

MIN

LF FULL RANGE RF FULL RANGE

LR FULL RANGE RR FULL RANGE

V400.4 / S800.4 V400.4 / S800.4 V250.2

V500.1

If the car stereo does not provide low-level outputs, the amplier may be connected via the speaker

(high-level), outputs from the stereo. Wire the speaker leads from the car stereo to the high-level

input plug on the amplier. Carefully splice and insulate all wire connections.

CAUTION: Use either the low-level or the high-level inputs on the amplier. Do not use both input

levels at the same time.

SET-UP INSTRUCTIONS

Input Level Control – The input level control is used to match the input level of your Cerwin-

Vega Mobile amplier with the output level of your source unit. Contrary to belief, turning the gain

up does not give your any more power whatsoever. While it may appear to get louder when you turn

your input sensitivity up, in reality, you are just taking away from your working range of volume on

your source unit. To set the input level control properly, start with the input sensitivity all the way

counter clockwise. Use a music source you are familiar with so you can tell when it starts to distort.

Turn the volume on your source unit I of the way to full volume, then slowly turn the input sensitiv-

ity clockwise until you can hear the music start to distort. Then, simply just turn back a bit counter

clockwise until the distortion is no longer audible.

Crossover – Your Cerwin-Vega Mobile amplier is equipped with a internal crossover for easy system

set-up.

High Pass Control – The amplier will send frequencies above the cutoff point to pass through to

your speakers.

Low Pass Control – The amplier will send frequencies below the cutoff point to pass through to

your speakers.

Phase Control – Lets you control the output phase to your speakers (0/180 degrees). Available on

V500.1 only.

Subsonic Filter – Controls the lowest frequency that will pass through to the speaker. Available

on V500.1 only.

SPECIAL FUNCTIONAL FEATURES

RCA Output – For easy installation of multiple Cerwin-Vega Mobile ampliers with a single RCA

output from the source unit (V500.1 only)

Wired Sub Level Control – Will allow you adjust the sub level from the front of the vehicle.

(V500.1 only)

STATUS LED’S

Power - After the orderly connection of the three power terminals, the LED indicator shines green

and goes out when the amplier is switched off.

Protect - Your Cerwin-Vega Mobile amplier is equipped with overload protection. Immediately

upon overloading, (due to short circuit or extreme temperature) the protection is activated, and

the red LED indicator is illuminated. The amplier is now protected against damage. In case of

thermal protection a short cooling time must be allowed after which the amplier automatically

resumes operation.

QUICK TROUBLESHOOTING GUIDE

No Power: Check that all the fuses are good. If so check to be sure that the remote turn on lead is

properly connected, and that both Power and Ground connections are secure.

No Sound: Check to make sure input cables (RCA or Speaker Level) are installed properly. Also,

check all speaker connections both at the amplier and at the speaker itself.

No Sound / Red LED: Check that the speaker leads are not touching each other or the vehicle

chassis. Be sure the total impedance of the speakers is not too low for the conguration.

Poor Sound Quality (Distortions): Check the amplier Input Sensitivity setting. It may need

to be turned down (counter clockwise). Check that the speaker wires are not touching the vehicle

chassis. Verify that the vehicle battery is properly charged.

Weak Bass: One or more speaker connections (+) and (-) are reversed or are wired out of phase.

V250.2 V400.4 V500.1 S800.4

RMS Power Rating

4 Ohm @14.4v 75 x 2 60 x 4 300 x 1 125 x 4

2 Ohm @14.4v 125 x 2 100 x 4 500 x 1 200 x 4

1 Ohm @14.4v n/a n/a n/a n/a

4 Ohm Bridged 250 x 1 200 x 2 n/a 400 x 2

Power Supply Full PWM Full PWM Full PWM Full PWM

Topology Class AB Class AB Class AB Class AB

Frequency Responnse 20Hz-30KHz 20Hz-30KHz 20Hz-30KHz 20Hz-30KHz

Battery Voltage Range for Operation 10.8VDC - 15.0VDC 10.8VDC - 15.0VDC 10.8VDC - 15.0VDC 10.8VDC - 15.0VDC

S/N Ratio >80dB >80dB >80dB >80dB

Total Harmonic Distortion

THD 4 Ohm per Channel <0.2% <0.2% <0.2% <0.2%

THD 2 Ohm per Channel <0.4% <0.4% <0.4% <0.4%

THD 4 Ohm Bridged Mono <0.5% <0.5% <0.5% <0.5%

Input Sensitivity

Low Input Level 100mV - 5V 100mV - 5V 100mV - 5V 100mV - 5V

High Input Level 2.0V~>10.0V 2.0V~>10.0V 2.0V~>10.0V 2.0V~>10.0V

Input Impedance

Low Input Level 22K Ohm 22K Ohm 22K Ohm 22K Ohm

High Input Level 470 Ohm 470 Ohm 470 Ohm 470 Ohm

Crossover

Variable High-Pass 50Hz - 250Hz 50Hz - 250Hz 50Hz - 250Hz 50Hz - 250Hz

PRODUCT SPECIFICATIONS

12 9

11 10

2 7 3 4

Functions are identical for front and rear channels

127

85 6 7 3 4

12 11

127

RCA Input and Pass-Thru Output - These RCA jacks allow for a normal Left and Right channel

signal input. Simply connect to the source unit using RCA type audio cables, keeping them away

from power wiring wherever possible. Mono models have a pass-through that can provide signal

to another ampliﬁer.

2Input Gain Adjustment - This control matches the preamp stage of the Cerwin-Vega Mobile ampliﬁer

to your source unit. This is NOT a volume control. The range is between 100mV and 5V.

Crossover Adjustment- Use this adjustment to select the crossover point. Remember that your

choice will be directed to High Pass or Low Pass depending upon the position of the adjacent

switch. The range of adjustment is limited between 50-250 Hz.

Crossover Selection Switch - This switch allows you to select the crossover. Use High Pass for

midrange or high frequency speakers. Use Low Pass for subwoofers. In the OFF position, the crossover

adjustment knob has no effect.

Sub-Sonic Adjustment (V500.1 Only) - This control allows you to adjust the “pass-band” for a

true 3 way speaker system. This helps solve “standing wave” problems in-car (boomy bass),

AND protects midrange/mid-bass drivers at the same time.

Phase Adjustment (V500.1 Only) - This control allows you to adjust the phase of your subwoofer

in time with your mids and tweeters. 0 or 180 degrees of adjustment capability. This is EXTREMLY

useful to get the best and MOST bass out of your system.

Vega Bass - This control adds 0 to +12dB of boost at 45Hz. Be cautious when adding boost to

some subwoofer systems as they may not be able to handle the additional low frequency boost.

In the OFF position, no bass boost is added.

Remote Level Control (V500.1 Only) - This port is for the remote level control (included). The

control is intended to allow the user to control the level of gain up to the maximum adjustment

level set on the ampliﬁer. The control does not add additional boost, it only attenuates the setting

that is ﬁxed at the ampliﬁer’s control panel.

Status LED’s - These lights indicate when the ampliﬁer is powered up normally and when there is

a protection fault. See the “Troubleshooting” section for details on what these useful indicators

can tell you if there’s a problem.

Power Input Connections - These connections are for input power, chassis ground, and remote

turn-on. Use a minimum of 4 gauge wiring for power and ground connections. The terminals will

handle up to 4 gauge wiring with no problem whatsoever. Be sure any wiring that passes through

metal has a grommet!

Power Fuses - Standard automotive type ATC/ATO fuses are used on Cerwin-Vega Mobile

ampliﬁers. Always replace with the correct fuse size. Never insert fuses of higher values. Doing

so will void the warranty of your Cerwin-Vega Mobile ampliﬁer. Also include a main fuse at the

connection to the vehicle battery within 18 inches of the positive battery post. It is also important

to upgrade the connection between the negative battery post and the chassis of the vehicle. This

greatly reduces possibilities of weak electrical “links” in the circuit.

Speaker Output Terminals - Connect your speakers to these terminals. Stereo connections are

connected as labeled. Bridged connections use the LEFT + and RIGHT - as the two connections.

The 2 and 4 channel ampliﬁers will perform into 2 Ohm stereo loads or 4 Ohm bridged loads. DO

NOT run 2 Ohm bridged loads on these ampliﬁers!

Warranty

Cerwin-Vega Mobile warrants all ampliers and speakers to be free of defects in

material or workmanship for a period of 1 year.

Warranty Procedure:

Cerwin-Vega Mobile strongly suggests all warranty claims should be handled

through an authorized dealer. Because of the technical nature of our products,

performance problems can often be the result of improper usage or installation.

An authorized retailer can help determine if this is the case and will save you the

time of returning an item that is not actually defective.

For all VEGA subwoofer models the cone is to be removed from the basket as com-

pletely as possible. Cut the surround and then the spider. After this, the cone should

lift out.

For VEGA coaxial models, the tweeter needs to be broken off and sent in with the

cone.

All returns must have the serial number taped to the cone. The serial number can

be found on the basket on all speakers and underneath the spider attached to the

top of the magnet plate.

Please remove the sticker and tape it to the cone. This process will save everyone

on shipping costs and allow us to check and replace speakers much faster.

returned. For speaker systems such as Vmax component models only return the

defective part (i.e midbass, tweeter or crossover).

Shipping:

Once you have your RA number, ship your return to:

Cerwin-Vega Mobile

ATTN: Customer Service Dept.

6915 W. Frye Road

Chandler, AZ 85226

When we receive your return, we will process your order. Please make sure that you

clearly mark the RA number on the outside of the box and on the shipping label.

If the RA number is not on the outside of box/label, it will be returned to sender!

Specications subject to change without notice.

121807

6915 W. Frye Road

Chandler, AZ 85226

480 838 9422 • 480 491 1201 [fax]

www.cerwinvegamobile.com

For all V max models as well as all amplier models, the defective unit needs to be

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