In almost all cases, a single RCA subwoofer cable would be the correct choice for your home theatre system. Some subwoofers may indeed display an increased volume output level of 3dB when a Y adapter or cable is implemented. However, this does not increase the maximum potential output volume of a subwoofer and only serves to bring the subwoofer 6dB closer to clipping the internal preamp and 3dB closer to reaching the dynamic output limit of the subwoofer. The exact same effect can be gained from adjusting the volume control.
Some manufacturers claim that their cables are directional must be connected to the source with the arrow pointing outward. With the exception of active cables these feature an integrated circuit , in almost all cases this is a false science. As the cables which form part of a home audio system handle AC Alternating Current , this fact alone should put to rest any claims of a directional cable.
As the name suggests, AC basically means that the electric charge flows in an alternating direction and not in a single direction, as would be the case with DC Direct Current. However, an active cable does indeed require connection as indicated by the labelling.
As this type of cable features an integrated circuit usually designed to boost signal strength commonly found on longer HDMI cables , the cable will only work when connected in the correct direction. This actually has less to do with the physical size of your speaker.
It's more about bass management. Crossover — Setting the speaker size automatically sets a crossover point. But you can fine-tune it manually. For large tower speakers, try 60 Hz. Phase switch — If your sub still feels a little off, your subwoofer may be out of phase with your speakers. Most subs have a two-position phase switch on the back. Toggle it to the other setting and see if you get better bass. Level control — Most subs have independent volume controls.
You may need to make adjustments from movie to movie. Put your sub on a platform — If your floor, walls, and ceiling vibrate to the beat of your sub, you get unwanted resonances that color the sound of your bass. To stop the vibrations, place your sub on a sound-absorbing platform.
Depending on your available connections, you may be able connect your sub using one of the following two options:. With some subs, you can connect your receiver's front speaker outputs to the sub's speaker-level inputs, and then connect your front speakers to the sub's speaker outputs.
If you purchase your home theater gear from Crutchfield, our Virginia-based Tech Support team can help you with setup, connections, and fine-tuning. Give them a call at the phone number found on your invoice and shipping confirmation email. Need help choosing a sub? Check out our Subwoofers buying guide. Or contact one of our Advisors via chat, email , or phone at 1 Regarding: Setting speaker size.
Speakers enclosures have built in crossovers, from the manufacturer. No need to block low frequencies from the AVR to the speaker. Set them to large because the internal crossovers with work correctly. My system sounds way better with this setup. I have a Denon AVR. Thank you very much for guiding us how to get the maximum out of a Subwoofer.. Great information.. My receiver doesn't have a sub out. If I run speaker wire to the sub input and then out to the mains, do I have to run both L and R speakers through the sub to keep them sonically balanced or can I have one main wired directly from the receiver to reduce the wire sprawl?
Hi, do I need a rca y splitter for my psw10 because it has a r and l rca plugs or can i just use a single rca ,using one side on the sub,connected to my sony reciever? Some people have said that using both rca plugs on the sub makes it louder.
I have a couple questions for you I have a Denon XW Receiver. I bought a Mediabridge 8 foot Y cable. Would I be able to use that cable to connect them? Its a nice cable, hate to find out that I couldn't use it. My other question is, I have Definitive Technology Mythos STS towers and the amp on one of them doesn't work anymore so there isn't anything to drive that woofer.
Can I use my sub out to connect to it to drive the woofer? The Mytho does have an LFE in. Sorry, I have one more question. Which ones should I use for my sides and which for my rears? I wish that I was able to find a replacement amp for my mytho STS. I hear they kinda had programs with them I guess. I had the system for almost 5 yrs now. I actually had the SR's for just about a yr. I got both for the price of one.
They were used but in pristine shape. I had to jump on that opportunity. My weakest link is the Denon, can't afford to upgrade quite yet. Well I guess the Mytho tower is one too but only for now.
I really like the Mytho's so I have to find a way to replace the amp on that Thank you so much in advance. How do I connect a powered sub with an lfe connection to a new receiver that has rca connections? I'm upgrading receivers and would like to keep my life powered sub, but the receivers all have rca jacks.
I prefer a sub to round out the lower frequencies and provide some 'kick' but cannot for the life of me figure out the best way to connect the CXA81 to the SVS SB subwoofer I bought. Any advice on how to set this up would be appreciated. Thank you! Hi, Greatly appreciate all of Crutchfield's tips and self-help articles, they're fantastic!
Kind Regards, Rick. This is all new to me so please excuse my lack of knowledge. My front speaker has a frequency response 45 Hz kHz. I basically did the auto cal which set everything to large except the atmos enabled which it set small with Hz crossover freq. I keep reading that I should set my speakers to small so I can have my subs do their thing.
The back of my subs has only 2 settings, a cut off freq turn wheel with Hz and 50hz and phase normal or reverse. I want to get the best sound possible out of my receiver, speakers and subs and I feel leaving everything at default is not giving me the best results. Can someone please help me out with crossover settings etc? Powered subwoofers have one job: to produce deep, hard-hitting bass. They're especially important for home theater systems, because they produce deep, rumbling effects that "regular" speakers can't.
Some music lovers also find powered subwoofers to be great additions to their stereo music systems. Bass waves spread out in all directions, which means you have some flexibility in placing your subwoofer. Placing your sub near a wall gives you strong bass, and placing it in a corner gives you even more. In this day in age, it is far less likely that you will use left and right input, though this is not out of the realm of possibilities.
Most people have found that using an LFE input in a subwoofer will carry the appropriate sound from the subwoofer to the receiver and, thus producing the effective audio. The sole purpose of the subwoofer is to emit the low-frequency tones think of the deep bass in voice-overs during a movie, or the low bass that you can hear in a car driving by.
Since this is the case, the subwoofer needs to receive the audio signals intended for this speaker to produce: the lowest frequencies of an audio production.
The LFE input in a subwoofer allows for this to be done simply through one standardized connection. Rather than having to sort through various cords and cables, you can use an LFE input as a single cable to connect your subwoofer to its receiver. This can help to eliminate the confusion about which cable goes where. But, again, this is the more common and preferred connection method, so it is likely that this will be what you are used to.
Contrarily, if your subwoofer does not have an LFE input connection, then you will find that your option is to use RCA Radio Corporation of America -right and left- inputs for your subwoofer. Though this is not as common and is often less preferred because you will have to use two cables instead of one , it works well and can achieve the desired result.
RCA cables use a right and left input cable or split these with a y-cable to achieve the digital transmission of low-frequencies for right and left channels in a subwoofer. Instead of combining these audio signals, as does an LFE input cable, the RCA inputs these in specific locations: right and left input options connecting the subwoofer to its receiver. RCA inputs will be seen in the left and right input options for your subwoofer. You may find that your subwoofer has the option of using an LFE cable as well as the left and right inputs.
In this case, most people will opt for using an LFE cable, though this is not required. Left and right inputs work as a dual set in contrast to the singular cable in an LFE input. Be sure to mind the channels. If the subwoofer has two sets of spring clips for speaker in and speaker out , it means that other speakers connect to the subwoofer, which then connects to the receiver to pass along the audio signal.
The best way to accomplish this is by using banana clips that can plug into the backs of each other rather than overlapping bare wire. Subwoofers are typically easy to connect, given that there are usually only two cords to deal with: one for power and one for the audio input. You're far more likely to spend the bulk of time positioning and adjusting a subwoofer for the best performance than plugging in a pair of cables.
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