Question about Onkyo TX-SR503 Receiver

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Crossover? what is crossover? and what should I set it to? 60, 100, 120?

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A crossover is a circuit that breaks down a whole spectrum of frequencies into groups. For example, your speaker has 3 individual speakers (drivers) in it. There is a woofer, mid and tweeter. A crossover will send the appropriate frequencies to each of the drivers. The woofer can not reproduce high frequencies so it doesn't make sense to send them there. The sam can be said for low frequencies and the tweeter. The crossover point defines the splitting point of the frequencies. Depending upon what sub-woofer you are using usually the crossover freqwuency is either 80 or 100. Most often it is 100.

Hope this helps,
Dan

Posted on Aug 20, 2008

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What is your crossover setting set at?
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I reccomend checking the crossover setting to 120 or 100; with all speakers to small.

You may need to increase the db setting on your sub as well......

Good Luck.

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Hi! I have a Pioneer VSX - 415, but get the message "Overload" as soon as I turn the volume up just a little. What can I do?? Eyvind


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Wiring. If you have any loose speaker terminal connections at either end, or any stray strand wire near the receiver chassis it can cause this problem. It's likely that this is actually NOT the case in your particular situation as it appears to be volume control related, but this condition will also cause an overload message as well.

Speakers...lack of efficiency/sensitivity, high or otherwise unstable Ohm rating will require more power. Ohm ratings are based on a nominal impedance (resistance) of a specified input voltage by industry standards, and can vary considerably with signal frequency. Higher impedance occurs as input frequency is decreased...more on this later.

System setup. How many speakers are connected? Each terminal is designed for one channel connection. If you have multiple speakers, i.e.; spliced in series such as with separate enclosures that have multiple drivers, this increases the resistance and power consumption dramatically.

After the above considerations are addressed and resolved but you are still experiencing the problem, do one or all of the following;

Check your audio configuration. If your system has an equalizer, loudness control or "bass boost", turn them off. More bass requires more power from the amplifier, thus can be a cause of the overload you are experiencing.

Adjust your crossover. If you are using an active subwoofer, increase the crossover frequency point in the speaker setup menu of the receiver. You may or may not have to set your other speakers' setting to "small" to enable the digital crossover feature, but setting them to small is preferred in your case. This will allow the subwoofer (if an active one) to handle a broader spectrum of the bass frequencies, rather than the speakers that are being powered by the receivers' amplifier that is currently being overloaded. It will also improve the sound quality. You however, do not have to have connected nor use a subwoofer to do this type of setup, simply increasing the crossover point will omit some of the lower frequencies that are putting higher demand on the amplifier. Alternatively, you may also increase the crossover frequency at the source material, such as your CD or other player instead of in the receiver.

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Well the next step would be to make sure that all the settings are set to subwoofer yes, and set your crossover as well.  The amp usually has a crossover which tells the microprocessor which frequencys to send to the sub.  

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Dan

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1 Answer

I have purchased brand new Jamo speakers A 320. Front and surround measure with ohm meter open circuit. Centre speaker Measure impedance 6 ohms. Is this a normal,i have also checked another set of the...


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1 Answer

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I suspect that the speaker levels need to be set. You connected everything right - many people would not have connected the sats via the bass section (which has their high pass crossover and overload protection). But I am betting the HSU is turned up a bit on the high side.

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