Connecting 6 pair of speakers (12 total) via one stereo receiver
A friend has a business. He has 6 pair of speakers, making a total of 12 speakers, installed throughout the restaurant.
He wired all of these speakers to one stereo receiver. Needless to say, it sounds very poor.
Turning up the volume knob has nearly no effect.
I've been told he needs an amplifier that handles 6 pair of speakers. It would also be helpful if that amplifier had volume adjustments for each pair.
Can anyone direct me, offer advice and suggestions?
Even just telling me what he needs to get and a basic description of the connections.
I'm an electronics guy so I can figure out what to do with a little direction.
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Re: Connecting 6 pair of speakers (12 total) via one...
His receiver has enough power all 6 pairs of speakers, however, he should use a speaker selector switch. Niles is very well built and you can find them with an "on/off" button for each pair, and they have models that will independantly conrol volume as well. (SSVC-6) For a good unit, expect to pay from $250-$400. They will keep the unit at an 8ohm load and not over tax the receivers power supply.
Hope this helps
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It isn't wise to connect the business end of amplifiers together so if you want or need to use them together you do it at the input end.
It is better to use an active rather than a passive method, simply connecting the inputs together in parallel would work but is not recommended and the results are unpredictable. A passive splitter would be better and produce more control and predictability.
It depends what results you are looking for. Clearly it is better if each amp drives only one speaker, especially if they aren't an electrically matched pair. If the amps normally require an 8 ohm speaker it should still be acceptable to use 4 ohm loads as long as the peak input at the front end doesn't exceed half the rated maximum.
You could use one amp on each channel for stereo via a suitable preamp or you could use an active phase splitter and use the two amps as a single push-pull amplifier with two outputs or with a front end filter you could make one amp work on the bass to midrange frequencies and one sub-bass to bass frequencies.
Some of the stuff is probably commercially available but some would need to be constructed so what you need is a friendly tv engineer or an electronics enthusiast...
Try playing other audio files. Ensure that audio can play fine from the same audio device when using a headphone.
If Step 1 is not the case, try listening to audio by connecting the speaker to the Bluetooth device using the Aux-in cable. This will isolate if it's a Bluetooth connection issue or not. Remember to disconnect/un-pair the Bluetooth connection first.
If the issue only happens when connecting via Bluetooth, do the following:
Adjust the distance between the speaker and the Bluetooth device.
Reset the speaker to its factory default settings. For instructions on how to reset your speaker, go to the product's support site to view the relevant knowledgebase article.
Clear the current pairing entry from your Bluetooth device. For instructions on how to clear the pairing entries, consult the user's manual of your Bluetooth device.
Try re-pairing the speaker and the Bluetooth device. For instructions on how to pair the speaker with the Bluetooth device, go to the product's support site to view the relevant knowledgebase article.
To further isolate, try pairing the speaker with other Bluetooth device.
If the issue happens when connecting either on Bluetooth or Aux-in, please contact Creative Customer Support via email.
Note: Creative Bluetooth speakers do not need any driver to operate. You may need to update the Bluetooth driver of your computer's built-in Bluetooth adapter or your USB dongle. To determine whether your computer or USB dongle is updated with the latest Bluetooth driver, please refer to their user's guide or website for information.
You need to run RCA cables from the CD player to the CD or AUX input on your amp / receiver unit. If you have a standalone amp, you need some way to control the volume. Basically, if you have a volume control on the front of your amp, you're OK. If not, you should also have a preamplifier that the CD player feeds first.
From the amplifier, then, a single pair of speaker outputs feeds a single pair of inputs on your speakers. The reason for two jack sets on the speakers is for "bi-wiring" or "bi-amping", not necessary for basic stereo reproduction.
CD red/white RCA out -> preamp/receiver red/white CD/AUX input. Amp speaker output (red + / black -) to one red/black input pair on the speakers. An input on the speaker is side by side...
Keep the red to red, black to black when connecting the speakers, or you will wind up with poor sound and weak bass.
firstly you could be experiencing "phasing" as you may have not spaced/set up the speakers properly. Also make sure plus on the amp goes to plus on the speak and ten - to - on the amp and speaker. cross them over at any stage or pair and again you will get your problem.ugest
It could also be you sre over driving your amp. How many ohms is each speaker and how many ohms is your amp capable of? 6 speakers to one stereo amp with one speaker out is very rare and usually quite damaging to equipment.
personally I would suggest one pre amp (to plug sources into) then 3 stereo power amps (one for each pair of speakers)
No, the CV speakers are very efficient speakers. That means they create a lot of volume for the amount of power. I will start by saying you will be relatively happy but not blown away.
The HK is an alright HT receiver (very new and feature loaded). It makes a rather weak stereo receiver for it is made for a home theater environment. If you only have a pair of speakers (optimal for music listening) then you have paid for a bunch of other channels that will remain dormant. You would be best off to get a very high-power stereo receiver or integrated amp instead of your HK.
CV speakers are built to blast, but they sounds pretty good at the same time.
Feel free to ask me any audio related question, I've worked in the industry for a good part of my life.
I am assuming you are using the standard sonamp 260 not a 260x3 and that when you say you are getting sound on only 1 pair that means only on 1 side (left or right channel only?)
Are using a speaker selector box? you must to regulate the resistance (ohms)
if so first unhook all but on pair of speakers and see if both channels are working.
if they do your problem is in the speaker selector not the amp if no then check to see what the amp level is set to. These are the two small holes on the front right of amp make sure they are set about equal at around half way up.
If that doesn't work flip the RCA cables coming to the amp perhaps you have a bad cable if that doesn't work make sure your receiver (source) is outputing a stereo signal to begin with.
lastly 8 sets of speakers off 1 amp? that's pushing it.even with a high quality Niles or speakercraft selector that controls the resistance going to an amp I wouldn't go past 5 sets.
The right way to do it would be to use 260x3 or a sonance or speakercraft 12 channel amp.
I have an almost exact set-up and you will only get sound out of your rear speakers when the TV channel is broadcasting in 5.1 Ch Stereo. Otherwise the sound is limited to your front, center, and woofer speakers.