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What is wrong with my speaker?

post #1 of 32
Thread Starter 
Hey everyone, I recently bought a Sony receiver (STR-DH130) and I connected my CD player, record player and cassette deck to it. I bought these nice vintage speakers to go with it (STV-875). For a week or two they were working just great. But recently, there is one speaker which makes a vibrating or a buzzing or a popping kind of sound when certain bass sounds occur during songs played. Funny thing is, it really only happens when I'm playing the record player and sometimes the CD player. It never happens when I'm listening to the radio.
The receiver says it outputs 280W and the speaker says 10-100W max. Is the receiver to powerful for my speakers? Is the speaker blown? Is it my speaker wires? or is it the RCA plugs causing the sound? I don't know what to do, whether buy new speakers or find a way to fix it?
Hopefully someone knows!
Thank you
post #2 of 32
The 280W rating of that receiver is NOT per channel, not even close.

http://www.crutchfield.com/S-LAs4bSDNycf/p_158STDH130/Sony-STR-DH130.html?XVINQ=DST&XVVER=CCC

Specs
Highlights:
90 watts x 2 (stereo) into 8 ohms (20-20,000 Hz) at 0.09% THD
5 stereo RCA audio inputs
no phono input — to connect a turntable you'll need to add a phono preamp
30 AM and 30 FM radio presets
independent bass and treble controls
two sets of speaker outputs
full-size headphone jack
remote control
16-15/16"W x 5-3/16"H x 11-3/4D
weight: 14.1 lbs.

This receiver does not have a phono input, how do you have your turntable connected?

Lots of things could be wrong, you bought used speakers, have you tried replacing the speaker wire? Is the receiver also used? How old are the RCA cables?

Start off by replacing the speaker wire. Then the cables next.
post #3 of 32
Since the problem doesn't happen when the radio's playing, I'd rule out a problem with the speaker-level outputs. So, the first thing I'd do is swap the speakers side-to-side. If the buzzing follows the speaker, you've got a problem with your speaker.

If not, it could be an issue with the cables you're using. Try replacing one set of cables - say, the ones that connect the CD player to the receiver - and see if the buzzing persists. If it does, it could be something loose (a wire? a solder connection?) inside the receiver itself.
post #4 of 32
Thread Starter 
the turntable already has a preamp installed in it, its connected with rca cables. All RCA and speaker wires are brand new. The receiver I bought brand new as well

and I connected the turntable to the Video out on the back of the component
post #5 of 32
Then its probably the used speakers unless the receiver is defective. Try borrowing another set of speakers. If they work fine then you know its your STV-875.
post #6 of 32
Thread Starter 
so is the speaker blown? I switched the speakers side to side and it follows to the same speaker. It worked fine for a while...is it because its an old speaker with a new system? or can the speakers not hold that much volume?
post #7 of 32
Quote:
and I connected the turntable to the Video out on the back of the component
Seriously? You connected the turntable - an audio INput - to the video OUTput of your AVR?!
post #8 of 32
Thread Starter 
where else am i supposed to plug it in? there is no designated phono input
post #9 of 32
Quote:
Originally Posted by beatles75 View Post

where else am i supposed to plug it in? there is no designated phono input
You buy a phono pre-amplifier and connect turntable --> phono preamp --> an audio input on your AVR.
post #10 of 32
How are you getting anything from your turntable if it's connected to a video out?
post #11 of 32
Thread Starter 
THE TURNTABLE ALREADY HAS A PREAMP INSTALLED
post #12 of 32
Yes, I understand that. However, you said you have it connected to an output and not an input.
post #13 of 32
Quote:
Originally Posted by eljaycanuck View Post

Seriously? You connected the turntable - an audio INput - to the video OUTput of your AVR?!

This is a stereo receiver with no video inputs at all. Its all two channel analog audio.

post #14 of 32
Quote:
THE TURNTABLE ALREADY HAS A PREAMP INSTALLED
In that case, connect it to any INput.
post #15 of 32
Thread Starter 
i have it plugged in video in then, my bad
post #16 of 32
Plug the turntable into an audio input on the back.
post #17 of 32
Quote:
This is a stereo receiver with no video inputs at all. Its all two channel analog audio.
Yeah, I know, I just looked it up. I was surprised when the OP said he connected his turntable to "the Video out" (output) on the receiver.
post #18 of 32
Quote:
Originally Posted by beatles75 View Post

so is the speaker blown? I switched the speakers side to side and it follows to the same speaker. It worked fine for a while...is it because its an old speaker with a new system? or can the speakers not hold that much volume?

Its not a power or volume problem, the speaker looks like it is defective or blown. You dont know the history of these speakers if they were abused or not. Perhaps just not well taken care of.

It has nothing to do with being old with a new receiver. I've got 20 year old speakers connected to a 2012 denon receiver. Not a problem.

For whatever reason the speaker looks to be defective. Buy another set of speakers if you can, but if you buy used test them first.
post #19 of 32
Quote:
i have it plugged in video in then, my bad
That sounds (no pun intended) better... smile.gif
post #20 of 32
Thread Starter 
well in the case that the speaker is blown, what type of speakers should I get? I really want speakers like the ones I am using now but I don't want to take the chance of blowing any more speakers. So should I get a pair of sony speakers brand new? I want something loud and something that I can feel the bass when playing. Does anyone have any suggestions?
post #21 of 32
How bout providing a budget? We cant make recommendations w/o knowing how much you're willing to spend.

And how bout a picture of the current speakers? What brand are they? How big? What are the specs?
post #22 of 32
I'd shop around (audiogon.com, craigslist, usaudiomart.com) for a gently-used pair of Paradigm 5se MkII or 7se speakers. They run well under $200, often $150-$175.
post #23 of 32
Thread Starter 
I am willing to spend $200-300 for a pair that has nice treble and real good bass
post #24 of 32
Towers? Bookshelf?
post #25 of 32
Thread Starter 
tower speakers is what I want and here is a pic of the current blown speakersCREATOR: gd-jpeg v1.0 (using IJG JPEG v80), quality = 90
post #26 of 32
Quote:
tower speakers is what I want ...
In that case, Paradigm 5se Mk3 or 7se Mk3. smile.gif
post #27 of 32
Thread Starter 
Well I was looking at the Sony SSF5000, SSF6000 and the SSF7000. Can anyone tell me about those?
post #28 of 32
Quote:
Originally Posted by beatles75 View Post

Well I was looking at the Sony SSF5000, SSF6000 and the SSF7000. Can anyone tell me about those?

I have the SSF-5000s. They were my mains in my HT for a year or so. They are a massive step up from ordinary TV speakers and served me well. They put out some good bass, although mine were always crossed at 80 and run with a sub. I think I paid under a couple bills for them from Best Buy.

That being said, when I upgraded to Klipsch, it was like someone lifted a blanket off the 5000s...if you can spend the extra coin, the difference is well worth it in my opinion. At the same volume setting on my receiver, the Sony's would sound strained while the La Scalas are clean and clear. Big difference in price though.
post #29 of 32
Thread Starter 
Well all I need to know is that the sony speakers are gonna produce bass like the floor speakers I have now..can someone tell me?
post #30 of 32
No. Those speakers you have now have 15" woofers in them, those Sony's are really not worth the money. I would say go for a pair of bookshelves and sub woofer.

You could get the Pioneer BS22 bookshevles and a BIC America F-12 for about $300, and it would sound much better than those Sony's.

If you want those big 3-way speakers like you had, check out Craigslist. That kind of speaker is very rare nowadays, the trend is more smaller woofers.
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