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I have to connect 11 speakers in a restaurant to a 2 zone amplifier that is 500 watts per Chanel. How do I choose the power of the speakers and Which way do I wire them --- in parallel?

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What size speakers and what watts, how many channels on the amp, you could do it in either way
There are two ways to wire electrical components. In parallel or in series. Both are important to understand, especially when properly hooking up speakers to amplifiers.
Parallel wiring is connecting components to a source so that they share the same voltage. To put that in a useful way, it would be connecting all of the speaker positive terminals to the positive terminal of the amplifier and connecting all of the speaker negative terminals to the negative terminal of the amplifier.
Series wiring is connecting components to a source so that they share the same current. To put that in a useful way, it would be connecting the amplifier's positive terminal to the positive terminal of the first speaker and then connecting the negative terminal of the first speaker to the positive terminal of the second speaker and so on. The final speaker in the chain will have it's negative terminal connected to the negative terminal of the amplifier. Hope it Works

Posted on Oct 18, 2008

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Zone 2 Amplifier Need


Reread the detailed answer provided in response to your earlier post on this issue

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I referred to a similar zone 2 arrangement for a Yamaha receiver. It shows a separate amplifier and notes that only analog signals are sent to zone 2. The analog output from a source must be connected to the analog input on your Pioneer unit for zone 2 to work. Your outdoor music environment will be limited to left and right front speakers and...alas...no surround

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I have a vintage technics receiver, model numbe 5360. i would like to the watts per chanel.


Full specs. But take them with as grain of salt because they don't specify the bandwidth or distortion, plus they use 4-ohms as the load instead of the 8-ohm standard. Avoid driving any amplifier harder than it is designed to go because distortion rises rapidly and it WILL kill itself or the speakers if overdriven.

http://www.classic-audio.com/technics-sa5360-p-357.html

Nov 10, 2011 | Technics Audio & Video Receivers

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Can a technics su v670 be wired up with a technics power amp a800s mk II?? what im thinking it doubles up on the power the wattage to each channels? am i rite? the suv 670 is 90 watts per channel and the...


"im no proffetional at this". Really?

If you looked at the manuals for either product you would NEVER find a recommendation to use one amplifier's speaker input to drive the LINE LEVEL (very small) input on another amplifier. Speaker outputs are for driving speakers or amplifiers designed to accept speaker-level input (like some self-powered subwoofers). In no case is the power of the originating amplifer BOOSTING the power of the driven one.

You should do some reading on how amplifiers work before you blow something up and come asking for advice on how to resolve it.

Sep 02, 2011 | Audio & Video Receivers

1 Answer

Hi, this is not really a problem. I have an Onkyo TX-SR604 receiver. I had polkaudio speakers RTi8 speakers that are no longer working properly. I am looking for recommendations for new speakers that can...


A receiver with the specs...

* "90 watts minimum continuous power per channel, 8 ohm loads, 2 channels driven from 20 Hz to 20 kHz, with a maximum total harmonic distortion of 0.08%"

(*) The only acceptable statement of its power bandwidth in the manual.

... when fed an undistorted audio signal, used properly and not driven abto clipping is not particularly dangerous to any reputable speaker.

Driving any amplifier, even a modest one, into high distortion is more dangerous to any speaker than a high-powered amp pumping pure undistorted power.

Choose any speakers but low efficiency models if you want loud and clean sound.

Jun 10, 2010 | Onkyo TX-SR604 Receiver

1 Answer

Denon AVR-1907 blinking red power button


It sounds like you have a bad speaker on the zone 2, or you have the speakers connected improperly.

When you engage the zone 2 a relay clicks and the speakers then become part of the amplifiers circuit.

If the problem was in the amplifier, it would go into protect mode without even having speakers connected to it.

If the speakers all check good, you most likely have the wrong type of speakers, meaning the impeadance is too low, or you have too many speakers connected to it.

On the back of the Denon, you will see right around the speaker output jacks, what ratings the speakers should be. If I remember correctly, it says 6 ohms or more when using only "A" or "B", and it says 12ohms or more for "A" + "B".

If you have two 8 ohm speakers on the same speaker jack you now have a 4 ohm load. That is below the ratings and can cause the amp to shut down (go into protect). Since your amp shuts down right away, I think you have a bad speaker or way too many speakers connected.

I have seen many times when people will connect 2 or 4 speakers to the one of the outputs that are designed for only 1 speakers.

If you are using too many speakers you will need a speaker distribution box. It has a resistor network built into it so the amp never sees a lower impeadance than what it is designed for.
You can connect 4, 6 or 8 speakers to one set of outputs designed for 2 speakers. You do loose a lot of power to the speakers, but it is better than blowing up your amplifier.

If I can be of any further help, let me know.

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2 Answers

NO sound on Zone 2


Did you use the same terminals or two different ones to make the connections?

May 18, 2008 | Yamaha RX-V661 Receiver

1 Answer

Inquiries


Straight from the product's manual...

-------------------------------------------------------------------
Amplifier section
Power Output-
[Stereo Mode]
125 watts per channel

[Dolby Pro Logic Mode]
Front
120 watts per channel

Rear (Surround)
60 watts per channel

Center
120 watts
-----------------------------------------

Click HERE for the manual.

There you have it.

Cyryl

Nov 10, 2007 | Aiwa AV-X220

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