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RIPPER
10-11-2002, 05:48 PM
Couple of months ago I bought a Jensen SPX-13 centre speaker. The speaker has 2 5" mid woofers and 25mm high frequency driver. The problem is that the woofer on the left is not performing as well as the woofer on the right if at all. Tested this by a close up ear test and by touching both speaker and the one on the left has bugger all vibration. As a result there is too much high frequency sound and not enough low frequency coming from the speaker. The balance is all screwed up.
Just need to know if this could be caused by dodgy speaker wire/receiver or is it a defective speaker.
I believe that the speaker is faulty but I don't want to drive all the way to camberwell and find out the speaker is fine and that it is caused by something else.
Any help would be appretiated.
Thanks
Ripper

skitz
10-11-2002, 08:32 PM
damn, thats a pretty big centre. Usually center speakers are quite small. Is your centre speaker suited to ur receiver ie did it come as a package? The problem may possibly be ur receiver hasnt enough power to drive all the speakers. Also, how many wires does the centre have; it may be a contributing factor.

- skitz

sir_shadow2000
10-11-2002, 10:33 PM
there is a couple of things it may be. is the speaker 2 or 3 way? if 3 way them woffers would be driven differently.

Whats the speaker setting on the reciver? large or small? this would only make a difference if speakers are three way try setting to large.

i'm no expert, but i hope this helps.

RIPPER
11-11-2002, 04:48 PM
skitz
The receiver I am running is a sherwood 5x60watts it didn't come in a package its actually a few years old. I know its not alot of power but I had never had a problem like this before with any of my other speakers.

shadow2000
The speaker is a 2 way speaker so the woofers should have an equal workload. My receiver doesn't have a speaker setting on it. I know I really need to stop buying dvd's and update my receiver it is the only thing in my setup which is lacking.
Thanks for the help guys

skitz
11-11-2002, 06:34 PM
From what you've told me I would be leaning towards the receiver causing the problems. It sounds like the woofers arn't getting equal power hence one is louder than the other. The other explaination for this could be dodgy wiring which leads to unbalanced sounding speakers. It may be that all the power is going to the smaller speakers which would explain the higher frequencies.

Are you just running this on one 60 watt channel? If so that would be your problem.

Hope this helps.


- skitz

rickh
24-11-2002, 10:16 AM
Hi!

Errr, just a thought, if you want to test whether the reciever is playing up on the centre channel or if one of the woofer drivers in your centre speaker has (at least partially) failed, why don't you just plug the speaker into another channel known to work correctly (say left front for example) and see if the same problem exists. If it does, the speaker is at fault, if it doesn't then the amp/DVD player is possibly at fault. It would seem most likely that there some internal problem with the speaker (faulty crossover or wiring). I don't think that this sort problem could be caused by 'underdriving' the speaker.

Cheers! Rick.