Question about Yamaha Emx88s Powered PA Mixer System

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Speaker connections One side doesn't work when I connect phone jacks to the speakers. Does the neutrik NL4 speaker connections work Independant from the phone jacks?

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Re: Speaker connections

Not usually. They are generally parallelled inside. But if it's the jack itself and not the amp channel thats broken, you should be able to use it successfully.

Posted on Sep 14, 2007

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Philips DTM3170/12 CD Lightning Micro System

It has an audio input, a 3.5mm cable you can connect to the headphone or speaker jack on your computer. The USB likely won't work with a computer as it usually requires a particular file structure; something simple like you'd find on a flash drive, ipod, or some phones.

Apr 04, 2015 | Philips Home Theater Systems


How to set up a seven-speaker home theater system

Set up a home theater

How to connect your speakers

In order to deliver surround sound, home theater systems require 5, 6, or even 7 speakers--and that's not even counting the subwoofer. Connecting all those speakers together can be quite a challenge, so here's a quick overview of the basics.

If you don't have an all-in-one, home-theater-in-a-box system, you'll probably need to supply your own speaker cables. There are several different types available--they vary in terms of wire size (or gauges) and termination types. Make sure you pick cable that's a good match for your speakers and receiver. And make sure they're long enough; the rear-channel cables in particular will be stretching all the way around the room.

Once you've selected your system and have all your speakers ready to set up, begin by placing each speaker at or near its intended location. Then, attach the cables to them one by one. After securely fastening one end of the cable to the speaker, connect the other end to the appropriate speaker output on the back of the A/V receiver. Be sure to connect the cable to the correctly labeled output.

For instance, the front-right speaker wire needs to go to the terminal labeled front-right. Also, make sure that each speaker connection is in phase, meaning negative to negative and positive to positive. Otherwise, your system's sound will sound out of whack. Repeat the process for every speaker in your system. Note that the subwoofer uses a coaxial-style RCA cable instead of standard speaker wire.

Once all the wires are connected, you should test the system with several DVDs and CDs, to ensure that everything is in working order.

For our first example, we used an elaborate 7.1-channel system, so it may have 1, 2, or several more speakers than your system. Some systems even employ wireless rear speakers, or virtual surround-surround modes that simulate multichannel experience from 3, 2, or even 1 speaker. And some listeners still prefer good old stereo sound from 2 speakers. No matter what type of speaker setup you prefer, however, the wiring basics remain the same.

How to position surround-sound speakers and a subwoofer
To get the best performance from a surround-sound speaker system, you must install each speaker in the correct location. There are three basic types of surround-sound speaker systems.

  • The 5.1-channel system has five satellite speakers and a subwoofer.

  • 6.1-channel systems have six satellites and a subwoofer.

  • And 7.1-channel systems have seven satellites and a subwoofer.

Start by placing the center speaker either directly above or directly below your TV. The center speaker can be perched atop a direct-view TV or mounted on the wall. Aim the center speaker at ear level.

In most cases, the front-left and front-right speakers can be wall mounted or placed on stands. However, if your speakers have rear-panel bass ports, they should not be wall mounted. Space your front-left and front-right speakers the same distance apart as the distance between your center speaker and your listening position. Position the front-left and front-right speakers no more than two feet above or below the front-center speaker. The tweeters in the front-left and front-right speakers should be roughly at ear level relative to your seating position.

Ideally, the surround-left and surround-right speakers should be mounted on the side walls of your room, slightly behind or parallel to your listening position. If your speakers have rear-panel bass ports, place them on stands instead. If installing the speakers on the side walls isn't practical, you can mount them on the room's rear wall or place them on stands behind your listening position. The surround speakers can be installed up to two feet above the front speakers.

Also, 6.1 surround systems have a back-center speaker. You'll typically mount this on the rear wall of your room, centered behind your seating position. Position the back-center speaker no more than six feet behind the surround-left and surround-right speakers. If your speaker has a rear-panel bass port or if the rear wall is too far behind your seating position, place the back center speaker on a stand instead. The back-center speaker should be installed at the same height as the surround-left and surround-right speakers.

Instead of a single back speaker, 7.1 surround systems use a back-left and a back-right speaker. These, too, are typically mounted on the rear wall of your room. Position the back-left and back-right speakers so that each is approximately aligned with the left and right edges of your listening position. Place the back-left and back-right speakers no more than six feet behind the surround-left and surround-right speakers. If your speakers have rear-panel bass ports,or if the rear wall is too far behind your seating position, place the speakers on stands instead. Install the back-left and back-right speakers at the same height as the surround-left and surround-right speakers.

A subwoofer is the last component of a 5, 6, or 7.1 system. Because bass frequencies are nondirectional, you can place the subwoofer in various locations. You may get the best performance by installing the subwoofer in the front of the room, approximately six inches from the wall. If you want more bass, try placing the sub near a corner in the front of the room.

Connect your DVD player to your A/V receiver--digitally
To hear a movie's soundtrack in surround sound, you must first connect your DVD player to an A/V surround-sound receiver. You'll need to make what is called a multi-channel-compatible connection.

The easiest way to do this is to use a cable that carries a digital signal. There are two digital options: optical and coaxial.

An optical digital connection, also called TosLink, uses pulses of light to deliver a digital signal. According to some experts, one advantage of optical digital connections is that optical cables don't pick up noise, while lower-quality coaxial cables can. Many, but not all, DVD players have an optical output. Most A/V receivers have at least one and usually multiple optical inputs. Plug one end of the optical cable into the DVDs player's optical-out jack. Plug the other end into the receiver's optical input.

Finally, you need to tell your receiver to use the optical connection whenever you switch to the DVD input. This is called assigning the input. Information about this simple process can be found in your A/V receiver's manual.

A second option is a coaxial digital connection. This type of connection is also used for cable TV, but the connectors are different. This type of coaxial cable has an RCA connector. Coaxial cables are less expensive than optical ones. In fact, you can use any old RCA cable to make a coaxial digital connection, and you won't lose any audio quality.

Most, but not all, DVD players, have a coaxial output. Some have coaxial and optical outputs, so you get a choice. Audiophiles argue over which connection is better, but it's very hard to hear the difference. Most A/V receivers have at least one and usually multiple coaxial inputs. Plug one end of the coaxial cable into the DVD player's coaxial-out jack. Plug the other end into the receiver's coaxial input.

Finally, tell your receiver to use the coaxial connection whenever you switch to the DVD input. Again, your A/V receiver's manual will have instructions for assigning an input.

on Aug 13, 2010 | Home Theater Systems

2 Answers

I just bousght a martin ash home thearer can i conect the bass??

I bought one last night i think its a fake.... doesn't even have instructions. If u figure this out let me know. But i just look up the site called the white van scam... i bought it from some guys in a white truck. And it sounds just like wat they sold me with the same canvas

Apr 18, 2012 | Home Theater Systems

1 Answer

How to hook up cable box, dvd player, and tv, to the home theatre system

Instructions things you'll need:
  • Composite video cable
  • TV
    • 1 Place the front left and right speakers on each side of the TV with the speaker labeled "Center" either above or below the TV screen. Set the rear speakers behind the seating area at head level and place the subwoofer on the floor a few inches away from the wall, which can absorb bass sounds if the sub is pressed against it.
    • 2 Connect the plug on the end of each speaker to the jack labeled for that speaker on the back of the Durabrand receiver. The cables are permanently attached to the speakers, so each may need to be moved closer to the receiver. For example, the left front speaker connects to the jack on the receiver labeled "LF."
    • 3 Plug the video cable from the Video OUT jack on the back of the receiver to a Video Input jack on the back of the TV.
    • 4 Plug in the Durabrand receiver and TV to the electricity and switch on both components.
    • 5 Press the "Input" button on the TV remote several times until the Durabrand signal displays on the screen.

Mar 25, 2011 | Durabrand STS98RW Theater System

1 Answer

When you turn player on: Screen said "Hello" , then "Protection"

Sounds simple... usually "protection" means that a speaker or a speaker wire is shorted out. Or that the volume is just too damned high... how loud is the receiver's volume setting? If the bass tone control is jacked and the loudness button is on, even with no shorted wires, the amp can go into protection from an internal overdrive. Might be that you just need to do like your mom says and turn it down!
If you have an ohmmeter, speaker or wiring problems are easy to test, if you don't, you can still do it all mechanically... here's how
Turn off the receiver and start by disconnecting your speaker wires at the back of the receiver. With all of the speaker wires removed, does the thing still go into protection when you turn it back on?
If not, good. If it does, find a service center.
Re-connect the speakers to the appropriate terminals one speaker at a time, turning off the receiver each time you make a connection. After connecting one speaker, turn the receiver on and see if it shuts down. If not, then turn it off and add one more speaker.
Do this until you find the culprit. Leave that suspected bad speaker's wires disconnected from the receiver and test all the rest, connecting all but the bad wires.
Now, disconnect the speaker from the other end of the bad wires and spread the bare wires apart so they don't short out. Connect the wires ONLY at the amplifier end and turn the amp back on. Protection?
If yes, the wire is shorted out somewhere. got cats?? If everything is OK, turn off the receiver and reconnect the speaker and test again. Make sure the wires aren't shorted at the back of the speaker. You really need to check all the speakers to make sure their connections are "clean" and make sure that there are no stray wire strands anywhere or that the wires aren't stripped too much so they might be able to short out. After the wires are connected to either a speaker or an amplifier, you shouldn't be able top see much of any bare wire, but you already know that, right?
Some folks strip way too much off the wire and the wires simply touch the wrong things and ... badness happens.
If all the connections are clean and the receiver still shuts down when this speaker is connected and the receiver is turned on, swap a working speaker onto these wires, leaving the suspect speaker disconnected and making sure the other bare wires won't touch anything or each other.
Back on with the working speaker... good? If so, then we're determining that the problem is probably in that one speaker. If not, then we have a deeper problem.
Reconnect the suspect speaker to the other wires and try again. Good? Then you have "fixed" the problem by cleaning up the wiring connections. If it shuts down again, then you need to fix or replace the bad speaker.
If everything works now with the volume down and such, then just use a little self control. If it's still messed up, you may need a trip to the service shop
Good Luck

Jul 18, 2010 | Samsung HT-DB600 System

2 Answers

Subwoofer with speaker wire?

Back in the old days, subwoofers were powered by the voltage from your receiver, through speaker wire.
Nowadays, subwoofers have their own power, hence not having speaker wire connections anymore.
It's unlikely that you'll be able to connect your old subwoofer to your new receiver.
You'd need to get a new one, which if you don't mind buying closeout, can be found on eBay pretty cheap.

Mar 16, 2009 | Sony DAV-DX255 System

1 Answer

Can I still use my prologic receiver for my LCD TV ?

optical connection in tv is only input optical connection in receiver is only input will not work.need to connect rca jacks to tv's audio out jacks behind tv to any available input in receiver

Jan 04, 2009 | Samsung HTP-1200 System

1 Answer

Out door speakers

Salutations pspk,

Because there are special speaker connections on your unit it may make this harder to do. It may be possible to connect extra speaker wires directly to the end of your existing speaker wires. These wires could then be connected to a wireless transmitter or extender to feed sound to your speakers.

I will warn you this may cause sound quality issues as you would be basically splitting the power levels to your existing speakers.

I hope this helps.
Go Ahead. Use Us.

Jun 04, 2008 | Sony DAV-DX150 System

1 Answer

Onkyo 875 - No sound


Feb 25, 2008 | Home Theater Systems

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