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Q Factor Definition, Please

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Old Jan 15, 2012 | 08:42 PM
  #1  
tavert91's Avatar
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From: Destin, Florida
Car: 91 Trans Am Convertible
Engine: LB9 5.0 TPI
Transmission: 5 SPD
Axle/Gears: Posi Rear
Q Factor Definition, Please

I just replaced my head unit and I am trying to optimize the audio settings to match my taste in sound. The unit allows you to set 3 variables each for the bass, mid and trebble frequencies. They are frequency, level, and Q Factor.

I think I know where I want to set the freq and level variables but I am not sure what the Q factor is. Tried internet searches and only got a bunch of really technical explanations.

Can anyone tell me what it is I am adjusting? The available settings for it are 0.7, 1.0, 1.4, and 2.0. I think it may have something to do with the the bandwidth with a higher Q number creating a smaller bandwidth (which should sharpen the sound, I think).

Anyone have any knowledge to pass on? Thanks.
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Old Jan 15, 2012 | 08:45 PM
  #2  
pasuperdave's Avatar
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From: Middletown, PA
Car: 91 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: 10 bolt w/3.73
Re: Q Factor Definition, Please

I found this on diymobileaudio.com

The Q factor is the width of a frequency the lower the Q factor the wider the frequency the higher Q the more narrow it gets in other words if you only want to push or cut 100Hz use a very high Q if you want to effect the frequencies just below 100Hz and just above 100Hz as well as 100Hz use a lower Q factor.
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Old Jan 15, 2012 | 08:53 PM
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Re: Q Factor Definition, Please

U have a kenwod hu right? Q factor only works with kenwood amps... Some special feature when combined.... Or so i thought?
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Old Jan 16, 2012 | 08:09 PM
  #4  
tavert91's Avatar
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From: Destin, Florida
Car: 91 Trans Am Convertible
Engine: LB9 5.0 TPI
Transmission: 5 SPD
Axle/Gears: Posi Rear
Re: Q Factor Definition, Please

pasuperdave - Thank you. That confirms what I thought (higher Q = narrower focus). I was getting frustrated not finding anything to help me and you came through.

Slim4207 - No, not a Kenwood. Its a JVC. I looked at Kenwoods but the JVC had a few things I wanted that the Kenwood didn't. Q is not just a Kenwood thing, it is an audio thing that few receivers allow you to adjust for your specific listening environment. Different cars will sound differently with the same head unit and this allows more customization of the sound to compensate.
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Old Jan 16, 2012 | 08:41 PM
  #5  
pasuperdave's Avatar
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Joined: Nov 2011
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From: Middletown, PA
Car: 91 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: 10 bolt w/3.73
Re: Q Factor Definition, Please

Originally Posted by tavert91
pasuperdave - Thank you. That confirms what I thought (higher Q = narrower focus). I was getting frustrated not finding anything to help me and you came through.

Slim4207 - No, not a Kenwood. Its a JVC. I looked at Kenwoods but the JVC had a few things I wanted that the Kenwood didn't. Q is not just a Kenwood thing, it is an audio thing that few receivers allow you to adjust for your specific listening environment. Different cars will sound differently with the same head unit and this allows more customization of the sound to compensate.
No problem tavert91! Glad I could help.
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