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Amp problem I have a yamaha home theater amp and when I hook up my frount main speakers I get a loud hilicoctor sound from my speakers. It also seems it has a lot of poower pushibg throug the speaker wire because it sparks hard when I try to kook the speakers up. Both the neg and positves are right. Do you think the amps bad?

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Re: amp problem

Measure the resistance on the speaker cables and see if they are shorted (less than 4 ohms) somewhere. Swap around the speakers and amp ouputs to isolate what is the cause.

Posted on Dec 31, 2007

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I have a Yamaha M65 520w power amp, a HTR 5630 210w EQ and a GE-60 Rcvr all in excellent condition. I'm having difficulty hooking them all up to each other and 2 prs of speakers. I'm have 2 Cerwin Vega CLS...

First of all it is important when you are using such good quality system to have an idea of the room. The accoustic quality of the room is a great factorr as even the best system may sound poor. Hence I owul like you to firrst rearrange your system with the Cerwin in the front and the DCM in the rear. Now the most IMPORTANT POINT you must be careful is to connect your speakers with the corrrect Phasing. The positive and negative must be correct , if not the sound will cancel off. So test this out. Connection of the L&R inputs must be also in order without crossing over from the source to the equaliser to the main amp. Now if you have set the equaliser right check for gain in each frequency. If not try to disconnect the equaliser and connect source to amplifier directly and test. make a assesment for good quality. You can also try to reverse ONE of the rear speakers for any improvement. I hope this advice helps you. Good day

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1 Answer

Auto Shut Off After 3 Seconds...?

either your DSP output stage already damaged or maybe your speakers. have it both chekced for short. or worst both of them. DSP A1000 can drive as low a 4ohms on main channels but how is the power handling of your speakers? are you sure it has not exceeded the capacity of the speakers? or maybe you have over driven the speakers and they are still ok but your amp gut busted due to over drive. If the DSP amp is busted then it is due for replacement of power transistors and drivers. you can not disable the protection circuit. at least the design. it can be disabled by a tech person with a lot of modifications but i wont go for that or it can cause more damage to your equipments. i am from yamaha before and i have made conversions of protection circuits but it is too risky.

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Since Kenwood makes a lot of amps, I can't be specific. Check to see if speaker (A/B) is switched on. Make sure "mute" switch is off. If useing tuner, make sure to hook up AM/FM ant.

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The jumpers are there to connect the preamp section to the power amp section and are required for the receiver to opperate properly. Make sure the receiver is set to the proper input, in this case: CD. If there are A/B speaker connections, be sure the receiver is set to match the connectors you're using. If there is still no sound, profesional service will be required.

Sep 26, 2007 | Yamaha DSP-A1000 5-Channel Amplifier

1 Answer

Can i use small satelite speakers with my big front speakers?

Hi, I asume your setting up a home theater with five speakers a center left and right and rear surrounds don't know if you have a subwoofer. The large speakers in the front will work fine if you set the amp to large front speakers the bass will be sent to these. If you have a subwoofer set, the amp to small front speakers and the bass will be directed to it. Also try to get a center channel speaker that sounds somewhat like your large speakers.

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