Polk Audio DB842-DVC ATV & Car Subwoofer User Guide
- June 3, 2024
- Polk Audio
Table of Contents
Polk Audio DB842-DVC ATV & Car Subwoofer
WIRING DIAGRAMS
Single Voice Coil Hookup
Please make certain that your amplifier is rated to carry the specified load.
Single 4 Ohm Load
With speakers wired in parallel: Two 4 Ohm speakers will present a 2 Ohm load.
With coils in parallel: a dual 4 Ohm speaker will present a 2 Ohm load.
With coils wired in series: a dual 4 Ohm speaker will present an 8 Ohm load.
With the coils wired in series and the speakers wired in parallel: 2 dual 4 Ohm speakers will present a 4 Ohm load.
With coils and speakers wired in parallel: two dual 4 Ohm speakers will present a 1 Ohm load. (Not recommended unless amplifier is rated for 1 Ohm operation.)
With the coils wired in series and the speakers wired in parallel: 3 dual 4 Ohm speakers will present a 2.7 Ohm load.
SPECIFICATIONS
VOLUME
Sealed Enclosures
Vented Enclosures
Please inspect your loudspeakers carefully. Notify your Polk dealer if you notice any damage or missing items. Keep the carton and packing material; this will do the best job of protecting your loudspeakers if they must be transported.
SAFE LIMITS OF OPERATION
Damage to loudspeakers can occur when an amplifier, regardless of its wattage, is made to play at higher listening levels than it can produce at low distortion levels. This is usually beyond the “noon or 1 o’clock” position on the volume control. Operation at this level can result in very high levels of audible distortion originating in the amplifier, which can add a harsh, gritty sound to your listening material. Contrary to popular belief, a loudspeaker is more likely to be damaged by trying to get too much volume from a low-powered amplifier or receiver than from a high-powered one.
TECHNICAL ASSISTANCE OR SERVICE
If, after following the hookup directions, you experience difficulty, please double-check all wire connections. Should you isolate the problem to the loudspeaker, contact the authorized Polk dealer where you made your purchase, or contact Polk Customer Service 800-377-7655 (M-F, 9-5:30 EST, US only) or via email polkcs@polkaudio.com Outside the US, call 410-358-3600. More detailed information—including audio how-to articles, FAQs, and online manuals—is available on our website www.polkaudio.com
PRODUCT DISPOSAL
Certain international, national and/or local laws and/or regulations may apply regarding the disposal of this product. For further detailed information, please contact the retailer where you purchased this product or the Polk Importer/Distributor in your country. A listing of Polk Importer/Distributors can be found on the Polk website www.polkaudio.com or by contacting Polk at 1 Viper Way, Vista, California 92081 USA— Phone: +1 800-377-7655
LIMITED WARRANTY
Polk Audio, Inc. warrants the original purchaser only that this product will
be free from defects in materials and workmanship for a period of (1) one year
from the date of original retail purchase from a Polk Authorized Dealer.
However, this warranty will automatically terminate prior to the expiration of
the (1) one 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 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 Dealer from whom you purchased the Product, or
to 1 Viper Way, Vista, California 92081. 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 Authorized Dealer it is determined
that the unit was defective in materials or workmanship at any time during the
Warranty period, Polk or the Polk 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. 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 appearance 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. 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 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 Authorized Distributors in such
countries.
FAQs
How long should you break in your Polk Audio DB842-DVC subwoofer?****
We recommend a solid break in time of 20–24 hours. Overnight, you can set it up with a strong, clear signal. You are now prepared to install and continue your journey.
Do Polk Audio DB842-DVC subwoofers need a break in period?****
Therefore, a break-in period is necessary for subwoofers to produce the best sound. Imagine it as if you were getting out of bed in the morning and taking a few minutes to scroll through your phone to wake up completely.
Is a Polk Audio DB842-DVC subwoofer necessary on a boat?****
Actually, the answer to that question is somewhat arbitrary and highly dependent on your listening preferences. Without a subwoofer, high-quality full-range marine speakers can achieve very good bass response. In fact, some would contend that overuse of bass ruins the quality and accuracy of sound reproduction.
How do I power my boat Polk Audio DB842-DVC subwoofer?****
A power and ground wire must be used to connect the amp to the boat battery. Simply buy an amp kit for power, ground, and lead wires for powered subs. Run the wires to the remainder of your system and the boat battery after that.
How many Polk Audio DB842-DVC subwoofers do I need in my boat?****
Many people mistakenly believe that having more than one subwoofer is unnecessary or undesirable because they don’t want “too much bass.” The contrary will occur, too, since more subwoofers will result in consistent audible performance and a better listening experience.
What is the life of a Polk Audio DB842-DVC subwoofer?****
A subwoofer can last anywhere from 5 to 14 years. The average person should be able to get 10+ years out of their subwoofer if it is well-maintained and not misused.
Do Polk Audio DB842-DVC subwoofers overheat?****
Due to the plateaus in the waveform caused by clipping, the subwoofer moves less than usual and generates more heat. The voice coil eventually fails as a result of the voice coil’s excessive heat over time.
What happens if you don’t break in a Polk Audio DB842-DVC sub?****
You run the risk of reducing the subwoofer’s lifespan and diminishing the bass sound quality if you decide not to break it in. While not breaking in a new subwoofer won’t cause any severe harm, it will prevent it from operating at its peak performance.
Is it OK to leave Polk Audio DB842-DVC subwoofer on all the time?****
Yes, as long as your subwoofer includes an auto standby mode, you can leave it on constantly. Subwoofers that are in standby use less energy and last longer. Older subwoofers without this feature should be unplugged when not in use because heat created by electricity escaping causes the amplifier to become hotter than usual.
How do you prevent damaged Polk Audio DB842-DVC subwoofers?****
Adding a grill is a straightforward fix (or grille). A subwoofer grill is a piece of plastic or steel mesh that is attached to the speaker or the opening of the enclosure and covers the front of the speaker. To ensure a perfect fit and simple installation, manufacturers create grilles that are specific to their woofers.
Will Polk Audio DB842-DVC subwoofer drain my battery?****
The battery drain caused by a subwoofer is the most frequent type of harm. Adding a subwoofer to your automobile puts additional demand on the electrical system. It takes a lot of power to create sound vibrations. Your battery is used to provide the power needed to run a subwoofer.
Do Polk Audio DB842-DVC subwoofers need a power supply?****
A receiver or amplifier must be used as an extra power source for passive subwoofers. Active subwoofers just require an audio source because they already have an amplifier and power source built in.
How do Polk Audio DB842-DVC subwoofers get power?****
A subwoofer (sometimes spelled sub) is a speaker that is specifically designed to reproduce the bass, which are low-pitched audio frequencies. Passive Sub: Passive subs are so-called because an external amplifier or Audio/Video (A/V) receiver is required to power them. Similar to conventional speakers, this.
What causes Polk Audio DB842-DVC subs to burn?****
There are many causes, including too much glue burning, voice coil glue burning, burning electronics, overheating voice coils from enhanced bass, and glue burning around the speaker basket in the case of a brand-new subwoofer.
Do Polk Audio DB842-DVC subwoofers turn off automatically?****
Many amps and most subwoofers include automatic on or standby settings. On, off, and auto or standby are the most common settings for the power switch. On and off have obvious meanings.