#1676832 - 07/10/09 11:27 AM
2003 PT Cruiser Install
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csk
SQLCruiser
SD Ralph Wiggum
Registered: 06/18/08
Posts: 21
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Hey everyone. Please click the link below to see my Summer install that completed a couple of weeks ago:
2003 PT Cruiser Install
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head unit- Alpine CDA-7940
cd changer- Alpine CHA-S624
digital processor- Alpine PXA-H701 and RUX-C701
front speakers- Cadence CWM-6KIT 6.5" components running active
Subs- Polk Audio db122-2 ported enclosure 30hz tuned
Amps- Eclipse XA4000, Hifonics BXI2006D
Monster wire and Stinger cables and accessories
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#1676849 - 07/10/09 11:42 AM
Re: 2003 PT Cruiser Install
[Re: csk]
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IamMurph
Retired
[ADMIN]
Registered: 10/30/01
Posts: 36181
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Edited by keep_hope_alive (07/12/09 05:59 AM)
Edit Reason: image size increased
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#1677473 - 07/12/09 06:02 AM
Re: 2003 PT Cruiser Install
[Re: IamMurph]
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keep_hope_alive
cereal killer
SD Sith Lord
Registered: 04/24/07
Posts: 15027
Loc: Quad Cities, IL
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have you considered getting another amp and running the front comps active?
i've had several 7940's before, i like them. a good HU.
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#1677479 - 07/12/09 09:16 AM
Re: 2003 PT Cruiser Install
[Re: keep_hope_alive]
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csk
SQLCruiser
SD Ralph Wiggum
Registered: 06/18/08
Posts: 21
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I have thought about running the components active with another amplifier. At one point, I was going to go only with the front components and leave the rear fill out. The main thing that kept me from doing this was my Eclipse XA4000, which I was going to use for the front stage. I was afraid I would blow the tweeters using the XA4000 (125x4). I guess I could gain down the tweeters, but I wasn't sure if this would work. Any suggestions?
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head unit- Alpine CDA-7940
cd changer- Alpine CHA-S624
digital processor- Alpine PXA-H701 and RUX-C701
front speakers- Cadence CWM-6KIT 6.5" components running active
Subs- Polk Audio db122-2 ported enclosure 30hz tuned
Amps- Eclipse XA4000, Hifonics BXI2006D
Monster wire and Stinger cables and accessories
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#1681373 - 07/19/09 11:58 AM
Re: 2003 PT Cruiser Install
[Re: csk]
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keep_hope_alive
cereal killer
SD Sith Lord
Registered: 04/24/07
Posts: 15027
Loc: Quad Cities, IL
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yes, you can adjust the gain to control how much power you send to the tweeters. also, the H701 should give you some good level control from the dash, as well as crossover, eq, and T/A.
being able to time align the tweeters separate from the woofers could give you a much better sound stage.
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#1690787 - 08/07/09 11:27 AM
Re: 2003 PT Cruiser Install
[Re: keep_hope_alive]
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csk
SQLCruiser
SD Ralph Wiggum
Registered: 06/18/08
Posts: 21
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Well, I took the plunge and took your advice...I went active today and ditched the rear fill. The only problem I seem to have is finding frequency ranges for the mids and tweeters, so I can cross them over apropriately. I've played with the high and low pass crossovers of the pxa-h701, but still have a lot of work to do. I have the high pass set at 2khz and low pass off for my tweeters. I have the high pass set at 63hz and low pass set at 2khz for my midrange. Any suggestions?
Edited by csk (08/07/09 11:27 AM)
_________________________
head unit- Alpine CDA-7940
cd changer- Alpine CHA-S624
digital processor- Alpine PXA-H701 and RUX-C701
front speakers- Cadence CWM-6KIT 6.5" components running active
Subs- Polk Audio db122-2 ported enclosure 30hz tuned
Amps- Eclipse XA4000, Hifonics BXI2006D
Monster wire and Stinger cables and accessories
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#1691121 - 08/08/09 06:58 AM
Re: 2003 PT Cruiser Install
[Re: csk]
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BillK1002
SD Gimp
Registered: 03/29/09
Posts: 82
Loc: Baltimore
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That is a beautiful install, you really did a nice job.
You might want to check the Cadence web site for the tweeter crossover point.
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#1691346 - 08/09/09 01:49 PM
Re: 2003 PT Cruiser Install
[Re: BillK1002]
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keep_hope_alive
cereal killer
SD Sith Lord
Registered: 04/24/07
Posts: 15027
Loc: Quad Cities, IL
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maybe try a higher crossover point. 2K is as low as i'd go. you can experiment with slope for each. usually, you want the crossover frequencies to leave a small gap, that is filled in by the slope. otherwise you can end up with an emphasis at the crossover point.
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