Question about Yamaha Audio & Video Receivers

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Can I run two E.V. Eliminators (1-15 and horn...8 ohms) in series from the bridged output? What my wattage be? I have an EMX5000 powered mixer. Jim Price pocket218@gmail.com

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Hi my yamaha emx5000/12 after a few hours use has started first to lose power and brightness ( sound from speakers is muffled) then it cuts out, it does come back again when the input signal is cut. It is not set any higher than usual, a short time ago I had a problem with one channell not working properly till the amp had been on for around 5 minutes, this seemed to fix itself are the two problems connected. Richard

Posted on Mar 09, 2009

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Hi pocket218

Probably not the way to go about hooking it up. running speakers in series is not very practical with PA gear. The connections get messy to make as you need adaptor leads, and it is something that is seldom ever done.. When you use bridge mode it uses left and right channel together to drive the one output, combining the power. Best bet is to run the EMX5000 in stereo mode, and connect 1 speaker to each channel. You may have been trying to reel in extra power from using bridge mode, but the power amp stages in the EMX will only ever be able to deliver the same MAX power whether in bridge or stereo. the best way to get maximum power and sound pressure levels from the unit is to hook TWO speaker boxes to each channel, you get the combined increase in efficiency of the extra speakers and run the output stages at 4 ohms to get absolutely all the power available
If you have any questions about it, feel free to ask me, happy to talk to you further about it.

regards
robotek

Posted on Sep 11, 2008

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At low volume it is fine after you get to about 20 on the volume it starts to crack,pop and distort very bad what is making this happen


Your speakers may say 350 watts but that is the peak wattage at which they blow up and not a wattage they can sound distortion free at. Look for the RMS wattage which is probably around 40 watts. If you look at the specs on your receiver you will see it will put out a maximum of about 50 watts but the distortion on the receiver is above 1 percent at anything over 22 watts. That means they are going to start distorting at around half volume. The other thing you might check for is a impedance mismatch between the speakers and the receiver. Is the receiver set up for an impedence output of 8 ohms but your speakers are 4 ohms impedance.

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What is the wattage per channel on a Kenwood receiver KSR-A5030


The power output is 60 watts per channel RMS into 8 Ohms.

Oct 01, 2014 | Kenwood Audio & Video Receivers

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How to fix extra speakers to peavy xr 886 and get the same power to each sperkers not just daisy chain each extra speakers


This powered mixer can only drive 4 ohms a channel...two eight ohm speaker cabinets daisy-chained makes one four ohm load. Ampifier wattage output ratings are usually higher driving four ohms than eight BUT never drive a lower rating than advertised by the manufacturer.

If you need more power than the mixer can provide, connect the "Master Out" or "Mono Out" connections (next to the speaker output jacks) to an external power amp. Connect additional speakers to this external amp and you're done.

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I have just buy a old shewood rv6030r but i want to know its power .May someone can tell me about it Thank you first


Search engines find these answers immediately without involving 'experts'.

According to this:

http://www.echipamenteaudio.com/tag/rv-6030r

Power Output Continuous RMS at 8 ohms 100W + 100W
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1 Answer

Hi there i jus wanted to know if the aiwa lcx 337 k has RCA connections so i could connect my mixer to it, and also if i could run 200 watt technics speakers through it aswell? cheers


No external tape loops. This is NOT a component system in the usual sense.

Wattage is not THE major consideration, impedance is.I can't find any documentation on this product but these small units are usually spec'd for speakers with less than 8-ohms to tweak the power output figure at a dreadful distortion level. All other things being equal, 8-ohm speakers would require more power so you'd have to crank it more. Overdriving any amplifier (like this one) will create speaker-killing distortion.

Jun 28, 2011 | Audio & Video Receivers

1 Answer

How many total watts does this system have


Well... It consumes 240 watts of electrical power total so take the audio power specifications with a huge grain of salt, as no audio device puts out in audio power anywhere near what it consumes in electrical power. Heat produced is power consumed, too and nothing is 100% efficient.

In the specs below the only information useful for comparison is in the line I highlighted with >>> <<<<'s as it conforms the closest to the industry standard practice of using:

"X watts into 8 ohms (standard load) from 20 - 20000 hz plus or minus Y db at no more than .0Z% distortion"

The better amps specify vanishingly low distortion specs (0.0x% vs 0.x%) at the cost of being able to claim higher wattage. But they guarantee cleaner sound at the claimed levels.

JVC is being tricky with their choice of a 40 hz lower limit. THAT is the power hungry end of the spectrum. 20 hz is normally the lower limit stated.

"Output Power .............At Stereo operation
Front channels .............55 watts per channel, min. RMS, driven into 4 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN) 30 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN)

>>>>> 30 watts per channel, min. RMS, driven into 8 ohms, 40 Hz to 20 kHz, with no more than 0.8 % total harmonic distortion. <<<<<

At Surround operation
Front channels .............50 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Center channel .............50 watts, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Rear channel .................50 watts, min. RMS, driven into 8 ohms at 1kHz, with no more than 0.8 % total harmonic distortion."

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2 Answers

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Hi I have just read the specs on about your Yamaha system and you cant run 6 ohm speakers to your amp. You have to impedance match the speakers and the amp otherwise the speakers will "blow". So you need some 8 ohm speakers, the wattage of the speakers doesn't particularly matter as long as they are not too weak or too powerful becasue the amp will drive the speakers no matter what but if the speakers are of a low wattage then the amp could blow the speakers if it is turned up too loud. The specs of your amp are given in the link below.

Yamaha

Regards
Rob

Nov 13, 2008 | Yamaha RX-V490 Receiver

1 Answer

Marantz SR 7200


Most often it is due to improper speaker loading. In other words, it needs to have from 4 to 8 ohms speaker load and you wired your speakers in parallel when they should have been wired in series. What would have been an 8 ohm speaker load in series, turns into a 2 ohm load when in parallel. And with dual voice coil speakers you just compound the problem. And don't even get me started on bridged outputs.
Anyway that is what usually causes an amp to fry. Good luck.

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2 Answers

Home theater system protection kicks out


Nice write-up.

http://www.sherwoodusa.com/pdf/RD-6500(English).pdf

On page 6 of the manual it states you should use a powered subwoofer and the unit provides a sub output on the rear panel for it. The message from the amp kicking out is that you're not going to get away with your workaround.

I would advise you to purchase a nice amplifier (2-channel bridgeable or single channel) for the subwoofer. That way you'd be sending only LFE signals and your receiver has provisions for adjusting its volume relative to the rest of the channels. I use a nice 5-channel Carver for my 3 subs and both Rear Surrounds.

On eBay I see what I would get if I were you - a Carver M-200T (120W x2; 300W bridged). I have one.

http://cgi.ebay.com/Carver-Magnetic-Field-Power-Amplifier-M-200t-120WPC-Amp_W0QQitemZ200327110781QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item200327110781&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318

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6 Answers

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How this reciever is set up is there are left and right A and left and right B Only one 8 ohm speaker should be attached per outlet. if you exceed that your driving the channel at a much lower resistance then the units designed for and the channel will burn up.. Oh it might last a short time but bet your last dollar it will burn up the channel if you over load it. Please dont forget to rate this.

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