Question about Sony STRDH510

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Does the 510 reciever have enough power to drive 2 100watt 8 ohm floor speakers LOUDLY?

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No doubt it will do it,even with four of them but your receiver will get hot depending of the length of playing,go to your sound field selection,put it onto ( multi st. ),increase your front and rear speaker level to 10.0 ,in the selections put your front and rear speaker size to large and u enjoy your product,i got four 140w pure acoustics speakers onto the receiver and it plays perfect

Posted on Jan 23, 2011

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Why do I blow fuses?


Hi Pete
Are you blowing fuses in the receiver/amp or speakers? Without knowing what device you're referring to, I would guess that you have a problem with your speakers not having enough power handling capability for the amp that's driving them (which would blow your speaker fuse) OR (if you're blowing receiver/amp fuses) too many speakers wired in parallel showing your receiver/amp far less than the 8 ohms or even 4 ohms impedance that it is rated for. For example, two four-ohm speakers wired in parallel shows a 2-ohm load to the receiver/amp. Not many consumer devices have the capability to load down to 2 ohms.

Hope this helps.

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All power amplifiers are designed to operate with a maximum current. This is limited by a minimum speaker impedance load. Your amplifier manual will specify the minimum load on output channels. High quality amplifiers can drive speakers with a combined impedance of 2 ohms or less. To calculate your parallel load, as you have requested, use the following formula. 1/Total load = 1/mgongo speaker impedance + 1/HW-E5500 speaker impedance.
Example. If your mgongo speakers have a nominal impedance of 8 ohms and the HW-E550 speakers have a nominal impedance of 8 ohms, then the formula is 1/Answer=1/8 + 1/8
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If your amplifier can drive a 4 ohm speaker load without clipping then you are OK.

Dec 09, 2013 | Audio Players & Recorders

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I have onkyo reciever tx-ds898 no sound


Some receivers shut down automatically if a thermal overload is detected or more commonly if speaker impedance is less than specified, i.e, driving a 2 ohm impedance speaker with an output rated for 8 ohms. If you can get the receiver operating long enough, you may see a message indicating why it is shutting down

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I just purchased a yamaha RX-V767 receiver. I have a polk surround sound speaker system 5.1 that have an impededance of 8 ohms. The receiver has an impedece adjustment knob on it. would it be safe to...


No, you don't want to do that. The Ohm output on the amplifier must match the speakers. Run 8 Ohm speakers on 8 Ohm and run all your speakers on the same impedance (Ohms). Your gonna burn your amplifier up if you run different impedances.

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The most likely answer is no. Unless the power transformer is of the multi tap type and has a voltage selector window on the back panel... Most speakers today have an impedance of 8 ohms. The impedance is all you need to worry about when matching speakers. You can fit 8 ohm speakers to a 4 ohm system, but you cannot fit 4 ohm speakers to an 8 ohm system. It would overload your oputput stages and cause them to fail. It's best to match 4 ohm with 4 ohm, 8 ohm with 8 ohms.etc.

Mar 19, 2010 | Audio Players & Recorders

1 Answer

Can I install 4 6 ohms speakers on an 8 ohms a/v receiver? receiver Sony STD HD 800 speaker system: Jamo S413 HC S5 Home theatre system,


Best Answer - Chosen by Voters An ohm is a unit of electrical resistance. You can think of it as your speaker will impede or pull 8 ohms from the amplifier that is powering it.

8 ohms is less resistance than 4ohms. So a 4 ohm speaker would require more juice than your 8 ohm.

If this is the only speaker, then that's all the resistance you have to worry about handling. If you had two of these speakers wired in parallel, then the total impedence would be up to be 4 ohms, because each speaker actually reduces the resistance in the circuit...so 8 ohms + 8 ohms = 4 ohms.

You use this information to make sure your amplifier is powerful enough for the speakers. If the speakers have too much resistance, they'll fry your amp.

Here's a good sentence to help explain, but I recommend reading the article I linked in sources...

"An amplifier designed to put out 100 watts into 8 ohms will put out 200 watts into 4 ohms. Two 8 ohms speakers wired in parallel (4 ohms total) would cause the amplifer to produce 200 watts." Source(s): http://www.marktaw.com/recording/Electro…

Nov 26, 2009 | Sony STR-DH800

1 Answer

Bought some replacement speakers and the reciever seems to get ver hot!


Hello! Yes, you need to worry when a Sony gets hot!! You probably have replaced factory 8 ohm speakers with 4 ohm speakers. Look on the back of your new speakers and see what they are. Then look at the rear of your receiver by the speaker terminals and there will be a sentence like "8 Ohm minimum per channel". If your Sony says " 8 ohms " you need to use 8 ohm speakers.
Also, are you a using low level signal ( audio out ) to drive your sub or are you using high level ( speaker line )??? I'd use low level. Good luck!!

barneyluc

Oct 09, 2008 | Sony STR-DE635 Receiver

1 Answer

Trying to hook up jbl sr4732 speakers the highs are to loud compaird to the bass or lows. im only using a onkio with a 100 watt per speaker.


These JBL speakers are not made for a home stereo reciever. It could be part of the problem.

I do know that they have a high frequency input and a full range input on each speaker.

I am going to guess that maybe you have them connected to the high frequency input.

Are you using 1/4 inch jacks connecting to the input of the speakers?

I don't remember these speakers having a input for wires.

You may have another issue using these speakers with that reciever.

The JBL speakers are 4 ohms each, it is very likely that the onkyo requires 8 ohm speakers.

Look on the back of the Onkyo where the speaker jacks are at and see if it says anything about the minimum impeadance.

The impeadance is the ohms. Most home recievers are not designed for anything less than 8 ohms. Some are, but most are not.

Using 4 ohm speakers on a system that requires 8 ohm speakers can cause damage to the reciever. Mostly at higher volume levels, it will cause the reciever to overheat and shut off, maybe short out a channel. It pulls 2 times the amount of current thru the output transistors as 8 ohm speakers.

Let me know if this helps you or if you need more help.

Jun 18, 2008 | Audio Players & Recorders

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