Different sounding speaker pair.

bmxsummoner · 16th September 2009, 01:59 PM

Had a Venom Chang speaker built for me, housing FE127es. I noticed that one of the speakers have less clarity or a diffused sound compared to the other, which is clearer or tighter. I've swapped stuff (cables, etc.) around and all points down to the speakers. As far as I can tell, they are equal in loudness, but playing pink noise on both, the different colouration is apparent. Are there any remedies one can try?

Jim Shearer · 16th September 2009, 02:19 PM

I would try swapping the drivers between the cabinets. If the problem follows the driver, then you need to replace it. If the problem stays with the cabinet, then you need to examine the cabinets for differences and correct the bad cabinet.

Cheers, Jim

MJK · 16th September 2009, 02:23 PM

Try swapping the left and right speakers in your system to see if the problem follows one cabinet of stays on the same side which might might indicate a room issue.

If the problem follows the speaker during the swap, try swapping the drivers between the two cabinets. If the poor sound follows one of the drivers, you probably have a bad or damaged driver. If the poor sound stays with the same cabinet, take a look at the cabinets for differences in construction, driver mounting, or stuffing.

bmxsummoner · 16th September 2009, 02:30 PM

I shall give that a try. Also, would a driver that's slightly off center, say 1-2mm, have an effect? That's the case with the offending cabinet.

Thanks for all help and suggestions guys. These speakers have been lying around for about a year until I finally managed to house them recently, so I guess I wouldn't be able to returna nd swap them in case they're faulty.

MJK · 16th September 2009, 02:32 PM

I seriously doubt a 1 or 2 mm difference in position would be the cause.

bmxsummoner · 16th September 2009, 07:36 PM

Tried swapping the drivers this time, and, indeed, it's the culprit. One of them is more forward and clear; the other, problematic one has what I can only describe as having a tiny bit of boom or weaker and less defined than the other one. It's not perhaps very obvious but it's just annoying that I know it's there. Anything I can experiment with to correct it? Nothing costly as this project of mine has already scaled beyond its intended, low-cost purpose.

MJK · 16th September 2009, 07:47 PM

You could try running both drivers for an extended period to see if they will settle in and behave in a similar manner. But if it is a defect or damaged driver, I think you might be out of luck.

Key · 16th September 2009, 08:11 PM

Yeah, run them in for 40 hours. Maybe "degausse" them with a light sweep tone.

16th September 2009, 01:59 PM	#1
bmxsummoner diyAudio Member Join Date: Jan 2008	Different sounding speaker pair. Had a Venom Chang speaker built for me, housing FE127es. I noticed that one of the speakers have less clarity or a diffused sound compared to the other, which is clearer or tighter. I've swapped stuff (cables, etc.) around and all points down to the speakers. As far as I can tell, they are equal in loudness, but playing pink noise on both, the different colouration is apparent. Are there any remedies one can try?

16th September 2009, 02:19 PM	#2
Jim Shearer diyAudio Member Join Date: Jun 2007	I would try swapping the drivers between the cabinets. If the problem follows the driver, then you need to replace it. If the problem stays with the cabinet, then you need to examine the cabinets for differences and correct the bad cabinet. Cheers, Jim __________________ A day without music is like a day without food.

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16th September 2009, 02:23 PM	#3
MJK Account disabled at member's request Join Date: Feb 2002 Location: Clifton Park, NY	Try swapping the left and right speakers in your system to see if the problem follows one cabinet of stays on the same side which might might indicate a room issue. If the problem follows the speaker during the swap, try swapping the drivers between the two cabinets. If the poor sound follows one of the drivers, you probably have a bad or damaged driver. If the poor sound stays with the same cabinet, take a look at the cabinets for differences in construction, driver mounting, or stuffing.

16th September 2009, 02:30 PM	#4
bmxsummoner diyAudio Member Join Date: Jan 2008	I shall give that a try. Also, would a driver that's slightly off center, say 1-2mm, have an effect? That's the case with the offending cabinet. Thanks for all help and suggestions guys. These speakers have been lying around for about a year until I finally managed to house them recently, so I guess I wouldn't be able to returna nd swap them in case they're faulty.

16th September 2009, 02:32 PM	#5
MJK Account disabled at member's request Join Date: Feb 2002 Location: Clifton Park, NY	I seriously doubt a 1 or 2 mm difference in position would be the cause.

16th September 2009, 07:36 PM	#6
bmxsummoner diyAudio Member Join Date: Jan 2008	Tried swapping the drivers this time, and, indeed, it's the culprit. One of them is more forward and clear; the other, problematic one has what I can only describe as having a tiny bit of boom or weaker and less defined than the other one. It's not perhaps very obvious but it's just annoying that I know it's there. Anything I can experiment with to correct it? Nothing costly as this project of mine has already scaled beyond its intended, low-cost purpose.

16th September 2009, 07:47 PM	#7
MJK Account disabled at member's request Join Date: Feb 2002 Location: Clifton Park, NY	You could try running both drivers for an extended period to see if they will settle in and behave in a similar manner. But if it is a defect or damaged driver, I think you might be out of luck.

16th September 2009, 08:11 PM	#8
Key diyAudio Member Join Date: Jan 2009	Yeah, run them in for 40 hours. Maybe "degausse" them with a light sweep tone.

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