Center Channel trickery


Seth F.

CarAudio.com Enthusiast
Aug 20, 2020
45
9
Virginia
Has anyone ever attempted to or been successful in using the stock corner dash locations in many cars to upgrade the 2 3/4 or 3" mid/high drivers into a series or parallel wired mono center channel? My assumption is that it could work providing that time alignment can be figured out and possibly finding the correct driver with premium off axis response.
I'm trying to think out of the box a little bit to build up a unique front stage where my midbass and highs are mounted close together (basically a two way component set) in the front doors, preferably in kick panels or in the stock door locations and then using a center channel for extra support in the 1k to 3k range.

Thoughts? Or am I completely off the wagon?
 
OP
S

Seth F.

CarAudio.com Enthusiast
Aug 20, 2020
45
9
Virginia
Has anyone ever attempted to or been successful in using the stock corner dash locations in many cars to upgrade the 2 3/4 or 3" mid/high drivers into a series or parallel wired mono center channel? My assumption is that it could work providing that time alignment can be figured out and possibly finding the correct driver with premium off axis response.
I'm trying to think out of the box a little bit to build up a unique front stage where my midbass and highs are mounted close together (basically a two way component set) in the front doors, preferably in kick panels or in the stock door locations and then using a center channel for extra support in the 1k to 3k range.

Thoughts? Or am I completely off the wagon?
OR should I set up a three way component system with mid bass in the door, mid in the dash corner, and tweet either in the A-Pillar or Sail panel. I've heard keeping the tweet and mid close is important, so in a 3 way system that configuration may work?

The other goal is to avoid modding the door panels too much. Id rather mold a surface mount pod for the a-pillar or sail panel and drill a hole for tweeter wire than take a hole saw or bondo to the door panel.
 

SkizeR

Member
May 28, 2011
193
48
New York
For a center channel, you do NOT want a mono signal, and you definitely do not want to bandpass it as you mentioned. You need an upmixed signal otherwise you pull the soundstage in and it sounds tiny and narrow. A proper upmixer essentially reads the signal and split it up into the left signal, right signal, and center signal. Unfortunately, this isn't very common to have in aftermarket processors. The only ones that have it that are still in production are Helix with their "Real Center" center extractor, and the Alpine H800 with Dolby, but that's a PITA to use and must be used with digital input. The JBL MS8 has this as well, but those haven't been sold in a while. But yeah, with a center channel you either do it 100% correctly or don't do it at all. With the method you mentioned, i'd say don't do it at all.
 

SkizeR

Member
May 28, 2011
193
48
New York
OR should I set up a three way component system with mid bass in the door, mid in the dash corner, and tweet either in the A-Pillar or Sail panel.
Absolutely do this. I'd take better individual locations over keeping the mid and tweeter close to each other any day all day. Kick panels for mids and tweeters need to be left in the 90s
 
OP
S

Seth F.

CarAudio.com Enthusiast
Aug 20, 2020
45
9
Virginia
For a center channel, you do NOT want a mono signal, and you definitely do not want to bandpass it as you mentioned. You need an upmixed signal otherwise you pull the soundstage in and it sounds tiny and narrow. A proper upmixer essentially reads the signal and split it up into the left signal, right signal, and center signal. Unfortunately, this isn't very common to have in aftermarket processors. The only ones that have it that are still in production are Helix with their "Real Center" center extractor, and the Alpine H800 with Dolby, but that's a PITA to use and must be used with digital input. The JBL MS8 has this as well, but those haven't been sold in a while. But yeah, with a center channel you either do it 100% correctly or don't do it at all. With the method you mentioned, i'd say don't do it at all.
Gotcha, that solves that :-D
 
OP
S

Seth F.

CarAudio.com Enthusiast
Aug 20, 2020
45
9
Virginia
Absolutely do this. I'd take better individual locations over keeping the mid and tweeter close to each other any day all day. Kick panels for mids and tweeters need to be left in the 90s
Good deal. What are your thoughts on distance between the mid and tweet on a three way? I don't recall the measurements for my truck but obviously the apillar would be closer to the mid in this configuration.
 

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