Polk Audio Momo Mm10 Users Manual MM12 Subwoofer

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OWNER’S MANUAL

Custom Enclosed Subwoofers

MM10 10" Subwoofer

MM12 12" Subwoofer

POLK AUDIO / MOMO DESIGN

32 POLK/MOMO: CHAMPIONSHIP PERFORMANCE

Wiring Diagrams For Polk/MOMO Custom Enclosed Subwoofers

Please make certain that your amplifier is rated to carry the specified load.

Put It In Your Trunk

Place your Polk/MOMO Custom Enclosed Subwoofer in your trunk or hatchback. Experi-

ment to find the best location for your new subwoofer. Subwoofers in trunks or hatchbacks

can fire either forward or backward for best sound. Positioning can make a big difference

in sound quality.

The Bass Master Commands You!

Please inspect each loudspeaker and its enclosure carefully. Notify your Polk Audio dealer

if you notice any damage or missing items. Keep the carton and packing material. They

will do the best job of protecting your speakers if they need to be transported.

Important Information About Warranty & Installation

Your Polk/MOMO Custom Enclosed Subwoofer comes in its own enclosure (thus the

name). Do not take the subwoofer out of its enclosure. This will void the warranty.

Please be aware when handling the enclosure that plexiglass damage—such as scratches

or cracks due to improper installation or misuse—is not covered under the warranty

for this product.

Be careful. Subwoofer enclosures need to be installed in places where they can operate safe-

ly and not endanger the occupants of the automobile. Do not install the subwoofer enclo-

sure on your car’s rear deck. Do not install your subwoofer enclosure on your front dash-

board or in your passenger seat. To get the safest, best performance from your Polk/MOMO

Custom Enclosed Subwoofer, we recommend that you put it in your trunk.

If you have any questions about these issues, please call Polk Audio’s friendly Customer

Service Department. Polk Audio Customer Service is available from 9am—6pm, EST,

Monday through Friday, at 800-377-7655 (US & Canada only), outside the US please

call 410-358-3600.

Connecting Your Polk/MOMO Custom Enclosed Subwoofers

The push terminal connectors are located on the underside of the Custom Enclosure.

Because of this placement, it is best to use a bare wire or pin connection. For a bare wire

connection, strip 1/2 inch (12.7mm) of insulation from each of the two conductors of your

wire to expose the bare metal and twist each of the conductors into a single unfrayed strand

(so you have two unfrayed strands). Note that one of the terminals on the enclosure is red

(+) and the other is black (-). Make certain that you connect the wire from the red (+)

terminal of your amplifier to the red terminal on the enclosure and the wire from the black

(-) terminal of your amplifier to the black terminal on the enclosure. Most wire has some

indicator (such as color-coding, ribbing or writing) on one of the two conductors to help

you maintain consistency. To connect the bare wire to the push terminal, apply pressure to

the terminal and insert the bare wire into the hole near the base and release. Do not insert

the insulated part of the wire into the hole as this will not give you a good connection. Place

the Custom Enclosure right side “up,” making certain that the wire runs through the ‘wire

canal’ on the underside of the enclosure. Be careful not to let the full weight of the enclosure

rest on the wire.

AMP

-

+

-

+

AMP

-

+

+

+

-

-

Single 4ΩWiring Parallel 2ΩWiring

Two 4Ωspeakers will present a 2Ωload.

Make sure that your amplifier is 2Ωstable

when configured in the bridge mode.

Consult your amplifier’s owner’s manual

before wiring in this configuration.

WARNING: This Product MUST

Be Secured When Installed!

POLK AUDIO / MOMO DESIGN

54 POLK/MOMO: CHAMPIONSHIP PERFORMANCE

Inverting Phase

Depending on the placement of your custom enclosure and associated components, it may

be necessary to invert the phase of one or another of your system’s connections in order to

gain better subwoofer/mid-range blending. Inverting the phase simply means switching the

positive connections with the negative connections at the amplifier. If you choose to do this,

invert the phase of only one set of speakers (either your mains, or your subs, never both).

Safe Limits Of Operation

Your Polk/MOMO Custom Enclosed Subwoofer is made with the highest quality materials

for years of trouble-free performance. However, damage to loudspeakers can occur when an

amplifier, regardless of its wattage, is made to play at higher listening levels than its power

can clearly produce (usually beyond the “1 to 2 o’clock” position on the volume control).

This results in very high levels of audible distortion, originating in the amplifier, which

adds a harsh, gritty sound to the music. Contrary to popular belief, a speaker is more

likely to be damaged by trying to get too much volume from a low-powered amp than

from a high-powered one. Hear distortion? Turn it down. Contact Polk Customer Service

800-377-7655 (9am—6pm, EST, Monday through Friday).

Low Frequency Cut-Off For Mid-Range Speakers

In Systems With Subwoofers

Now that you have a subwoofer in your system, you may want to decrease the amount

of bass going to your mid-range speakers. This will get you better mid-range sound and

increase the power handling. There are two ways to roll off the bass before it gets to your

mid-range speakers. One way is to use a “bass blocker,” a capacitor placed in series with

the speaker input. Bass blockers are installed in series, one end connected with the positive

lead from your amplifier and the other end connected to the positive lead of each of your

speakers. Bass blocker capacitors (200 microfarad @ 100volts, non-polarized) are available

at any RadioShack or parts supply house. The other route is to use an electronic crossover

device that allows filtering below 100Hz or so. Find these devices at your authorized Polk

Audio dealer.

Permanent mounting is not only the safest installation, but usually produces the best sound

quality. This Custom Enclosure is heavy and has a smooth surface finish, and can slide

around in a trunk during aggressive driving or a collision if unsecured. This could result

in damage to the enclosure or the car.

Use either the mounting brackets provided, or, if you do not wish to drill into your car

body, use a couple of large, well-placed pieces of industrial-strength hook & loop fastener

attached to the enclosure and the trunk surface. Polk Audio takes no responsibility for

damage done to car structures if this product is not secured.

Once you have found the best location, use the enclosed mounting brackets to secure the

subwoofer enclosure to the body of your car. Use the screws included only to attach the

bracket to the subwoofer enclosure. Attach the brackets to the bottom of the enclosure only.

No screws are provided for car-body mounting purposes due to various types of trunk mate-

rials. The installer needs to choose the appropriate screw type and length for the intended

trunk-mounting application. The installer must be careful when drilling into the car struc-

ture not to damage any important elements (fuel lines, electrical conduits, you know; stuff

like that). Polk Audio takes no responsibility for damage done to car structures when

securing this product. If you are at all uncertain about the best and safest way to install

your subwoofer enclosure, consult your local Polk Audio dealer or professional installer.

Break It In

Your Polk/MOMO Custom Enclosed Subwoofer will achieve even greater performance once

it is thoroughly broken-in. To break in your new custom enclosed sub, play 20 to 30 hours

of music at moderate levels. Get more information online at Polk University:

http://www.polkaudio.com/car/faqad/index.php

Amplifier Power Requirements For Polk/MOMO

Custom Enclosed Subwoofers

With one subwoofer we recommend an amplifier with a power rating of at least 200-

Watts (x 1 in bridged mode) to sufficiently drive this woofer. If you have a noisy car or

intend to play your system at loud listening levels, more power is necessary to achieve

the best performance. More power is always better. Consult your Polk Audio dealer for

specific recommendations.

Optimal Crossover Setting

We recommend using an active crossover with a 12 to 18dB per octave low pass filter slope,

and setting it to an initial setting of 80 to 90 Hz as a good starting point. This is an optimal

crossover setting on most vehicles.

Radio

AMP

Bass Blocker

or Capacitor

-

+ + +

-

+

Speaker

POLK AUDIO / MOMO DESIGN

76 POLK/MOMO: CHAMPIONSHIP PERFORMANCE

Polk Audio, Inc. warrants the original purchaser

only that this Polk Audio Polk/MOMO Product (the

Product) will be free from defects in materials and

workmanship for a period of (3) three years from the

date of original retail purchase from a Polk Audio

Authorized Dealer. However, this warranty will auto-

matically terminate prior to the expiration of the (3)

three year period if the original retail purchaser sells

or otherwise transfers the Product to any other party.

The original retail purchaser shall herein after be

referred to as “you.” To allow Polk Audio to offer

the best possible warranty service, please fill out the

Product Registration Card(s) and send them to the

Factory at the address provided in the Registration

Card within (10) ten days of the date of purchase.

Defective Products must be shipped, together with a

proof of purchase, prepaid insured to the Authorized

Polk Audio Dealer from whom you purchased the

Product, or to Polk Audio, 2550 Britannia Blvd.,

Suite D, San Diego,CA 92154. Products must be shipped

in the original shipping container or its equivalent; in

any case the risk of loss or damage in transit is to be

borne by you. If, upon examination at the Factory or

Polk Audio Authorized Dealer it is determined that the

unit was defective in materials or workmanship at any

time during the Warranty period, Polk Audio or the

Polk Audio Dealer will, at its option, repair or replace

this Product at no additional charge, except as set forth

below. All replaced parts and Products become property

of Polk Audio. Products replaced or repaired under this

Warranty will be returned to you, within a reasonable

time, freight prepaid.

This Warranty does not include service or parts to

repair damage caused by accident, disaster, misuse,

abuse, negligence, inadequate packing or shipping

procedures, commercial use, voltage inputs in excess

of the rated maximum of the unit, cosmetic appear-

ance of the cabinetry not directly attributable to

defects in materials or workmanship, or service,

repair, or modifications of the Product which has

not been authorized or approved by Polk Audio.

This Warranty is in lieu of all other expressed

Warranties. If this Product is defective in materials

and workmanship as warranted above, your sole

remedy shall be repair or replacement as provided

above. In no event will Polk Audio, Inc. be liable to

you for any incidental or consequential damages

arising out of the use or inability to use the Product,

even if Polk Audio, Inc. or a Polk Audio Dealer has

been advised of the possibility of such damages, or

any other claim by any other party. Some states do

not allow the exclusion or limitation of consequential

damages, so the above limitation and exclusion may

not apply to you. This Warranty gives you specific

legal rights which may vary from state to state.

This warranty applies only to Products purchased in

the United States of America, its possessions, and U.S.

and NATO armed forces exchanges and audio clubs.

The Warranty terms and conditions applicable to

Products purchased in other countries are available

from the Polk Audio Authorized Distributors in

such countries.

Tech Assistance Or Service—Not Hearing Anything? Read This:

If, after following these hookup and installation directions, you experience difficulty,

please double-check all wire connections.

Make certain your electronic equipment is operating correctly by hooking up another speaker

to the speaker output. For example, if you are not getting sound from the left channel speaker,

connect the right channel speaker to the left output. If you still get no sound from that side,

the problem is in your amp or source electronics. Should you isolate the problem to the speak-

er, contact the authorized Polk Audio dealer where you bought your speakers. Authorized Polk

Audio dealers are the best source for advice and assistance.

Polk Audio’s Customer Service Department is available from 9am—6pm, EST, Monday

through Friday, at 800-377-7655 (US & Can only, outside the US call 410-358-3600).

Please do not hesitate to call us if you have questions about your speaker system. We

positively love this stuff.

You will find additional information, informative articles, manual updates and cool stuff

to buy that has “Polk Audio” all over it by visiting www.polkaudio.com.

Polk/MOMO Custom Enclosed Subwoofer Specifications

MM10 MM12

Driver Complement 10" 12"

Nominal Impedance 4Ω4Ω

Frequency response 20 – 300 Hz 20 – 200 Hz

Power Handling (watts continuous) 400 Watts 500 Watts

Power Handling (watts peak) 800 Watts 1000 Watts

Sensitivity (SPL at 1 watt / 1 meter) 85 dB 87 dB

Voicecoil Diameter 2.0 inches 2.0 inches

Polk Audio’s Customer Service Department is available from 9am—6pm, EST, Monday

through Friday, at 800-377-7655. Please do not hesitate to call us if you have questions

about your speaker system.

Attach your receipt

here and file for future

reference. It may

be required for

warranty service.

X

Polk/MOMO Series 3 Year Warranty

5601 Metro Drive

Baltimore, Maryland 21215

(800) 377-7655

http://www.polkaudio.com

http://www.polkmomo.com

“Polk,” “Polk Audio,” and “The Speaker Specialists” are registered trademarks of

Polk Investment Corporation used under license by Polk Audio Incorporated.

“MOMO” is a registered trademark of MOMO Design, Italy.