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I have two amps in my car a 1100watt and a 800 watt both are almani.I have not had any problems with the system until now and I have had it for about a year.I have no sound what so ever from any speaker in my car.the music will come on for a couple of seconds and then fade out.I noticed on the 800 watt amp the green power light goes out and thats when the sound goes out as well.I thought it might be the fuses but if not does that mean the amp has gone bad?

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Make revision in fuses holder box and confirm that responsible fuses are firmly inserted-also confirm good connection of power lead(+&-) are connected firmly.

Posted on Jul 27, 2008

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How many watts onkyo p3300 amp & pre-amp home stereo audio


Sorry I don't know the answer to your question because I don't know the specification of your amplifier but like a car engine that might have a capability of, say, 200 horsepower, in use and for practical purposes that figure is completely immaterial because most of those horses would never be used by a responsible driver. It requires only about 20 horsepower for an average car to maintain 50mph so it hardly matters what the potential power output is as long as it is capable of doing the work assigned to it.

The average person listening to a hi-fi in an average room requires an average power output of around half a watt. It is immaterial if the amplifier is capable of 50, 150 or 500 watts because for comfortable distortion-free listening most of that potential power will never be used.
With hi-fi the problems start with the speaker systems. It is a mistake to use a high power speaker in a domestic environment regardless of the potential amplifier power output. The amp will only produce the power it is capable of if it is driven hard (the volume turned up) and because doing that is anti-social, wasteful and harmful to health and comfort that should not happen but high power speakers tend not to reproduce sound efficiently at low power and so more power must be provided than would otherwise be needed with good low power speakers.
Fashions have changed and it is now difficult to find good hi-fi speakers for the domestic environment that reproduce sound efficiently at low power levels and speakers with a 10 watt rating, the ideal type for small to moderately-sized accommodation, are almost impossible to find these days but it is still possible to find good drive units rated at between 20 and 50 watts that perform fairly efficiently at social volume levels.

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1 Answer

How many watts per channel in a technical pro rx55uribt 1500w reciever


What is in a Watt.
Although Watt should be a dimension of power (current times Voltage) most manufactures give numbers you can't use. They always speak of maximum power. That number only can be reached in a laboratory and is measured on a clean resistor. They try the lowest resistor (not an impedance) the amplifier can work with, without blowing the end stage.
Then they put a free marge to tell you it should have a musical power of xxxx Watts. The output differs for speakers of 2 ohm, 4 ohm or 8 ohm. But there is not one speaker with an impedance over the whole audio spectrum.
Just read something over audio and power amplifiers.
The output has nothing to do with the quality of the sound. I have heard 15 Watt amplifiers perform hundred times better then some kilowatt amps.
Even if the manufacture says the amp is 1500 w it could be within legal limits and fir the amp is measured and can't deliver 100 watts of real power nobody can do a thing, because the watts could be the musical power. and that is a free invented non measurable measure. I don't even want to start over distortion, because the cheaper amps do produce more distortion, than music. If you use it for a sub woofer that is no problem, because you feel more than you hear.

Sorry for this big story and not saying what the real output is, because nowadays nobody bothers measuring amps like this.
The more serous audio magazines, will put some test about amps, and you should read one or two test to know what I mean about the worth of watts in audio.

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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…

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Can i hook up highs and subs together to a 800 watt 2 om amp?


Ok firstly it will depend on how powerful those subs are seeing that the amp is 800watts you might want to install a sub which is no more than the 800watts or your amp will bum out......haha trust me I know. I had a JVC car radio and it kept switching off everytime the bass was high, or the volume was high because the 6x9's where too over powering for the system to handle. But I'm affraid the amp won't react in that way something will burn. So just ask the sales person for advice when you purchase those subs and highs.....

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I have a Bose Accumass 6 system connected to an Onkyo amp running as a entertainment system on our boat. The quality is sufficient for what we need. The amp (a TX-DX575) has A&B speaker switches for a...


two 8 ohm speakers in parallel is 4 ohms.
if series 16 ohms.a high resistance will just produce less power.
too low a number can activate the speaker protect,or blow the amp.
radio shack sell wall mounted speaker controls,but 5 watt max.
the best thing is to run 2 amplifiers.one for in ,2 for out
speaker a and b on the amp parallel the speakers.
if you run 2 sets of 4ohm speakers,the amplifier load will be 2 ohms,and overheat the amp.4 8 ohm speakers,gives a 4 ohm load

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Can you check the amp with a pair of different speakers? It may just be the speakers are starting to go bad. Let me know and I will help you further if needed.

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1 Answer

Dont understand


this is retarded comment .... 20 what is 20 ? this is not how we compare receivers.... you ****...

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