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Some troubles with my car setup...
Some troubles with my car setup...
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Old 13th November 2019, 11:52 PM   #11
MAAC0 is offline MAAC0  Portugal
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Please answer the Million Dollar Question before we can help You further.
What are You after ? Sound Contest ? You'll need at least four big subs for big bass, and bass is what defines loud nowadays. You are aware that car speakers have poor efficiency (dB) compared to PA speakers ? Say 95 dB compared to 98 or 100 dB. 6 dB is twice as loud.
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Old 13th November 2019, 11:59 PM   #12
The Lord Flashheart is offline The Lord Flashheart  United Kingdom
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Sure, but 89db is quite sensitive for car audio speakers these days and with the amount of power that this chap has available I’d be amazed if the system couldn’t hit 120db plus.
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Old 14th November 2019, 08:13 AM   #13
kociboss is offline kociboss
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Seems to be im not getting the most of the power from the amp because of distortion. As i've already said currently my gain is 40-50%. Over this i get distortion, clipping etc. Soon I'll finish setting up the rear line of speakers and will measure the results. There is a high possibility that there is a problem with my rear coax - in fact i feel them very weak compared to components while there is just 10W difference. It could be a problem therefore will need to check all pieces 1 by 1 to make sure its not that.
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Old 14th November 2019, 12:41 PM   #14
Gioba is offline Gioba  Italy
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I think about electroacustics not is mathematic.
Not is exactly double power to half impedance, it depend from amp's design, THD ecc..
With less impedance the same amp produce more distortion, less S/N, less damping factor and input sensivity can need to adjust in less for example.
Every amp has his conduct and his history.
I think you like SPL mode, an audiophile man tipically runs with low-medium power, but everyone makes his choise.
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Old 14th November 2019, 02:11 PM   #15
The Lord Flashheart is offline The Lord Flashheart  United Kingdom
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What position is the head unit volume at when you get distortion? (At the 40-50% gain level)
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Old 14th November 2019, 02:13 PM   #16
kociboss is offline kociboss
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Position of head unit volume 50 out of 62 (max)
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Old 14th November 2019, 03:36 PM   #17
The Lord Flashheart is offline The Lord Flashheart  United Kingdom
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Ok, that’s pretty normal.

Do the tweeters distort first, or do the mids or do they both start to distort at the same point?
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Old 14th November 2019, 03:41 PM   #18
kociboss is offline kociboss
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the mids are always first. In fact almost never the tweeters gone distorted.
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Old 14th November 2019, 04:10 PM   #19
The Lord Flashheart is offline The Lord Flashheart  United Kingdom
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They’re not running full range are they?
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Old 14th November 2019, 04:11 PM   #20
The Lord Flashheart is offline The Lord Flashheart  United Kingdom
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Quote:
Originally Posted by kociboss View Post
the mids are always first. In fact almost never the tweeters gone distorted.
In that case how do you think you blew the tweeters the first time around, did you crank it past distortion that time to test?
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