Hey All,
Good to see the site still going strong. I haven't been around in a while and it is good to see some familiar names are still kicking around.
Anyways I have a set of CDT HD642 3 way components. The 4" midrange will not fit in the factory 4" location of my VW. I have been trying to sell these for a while now without any luck. Since I do not want to go drilling holes in my car I have decided to see if I can turn these into a kick a$$ home speaker setup.
ENCLOSURE --- I am going to make a nice classy looking tower style enclosure. Question 1: Can someone help me find recommended enclosure volume? Question 2: Can I mount the crossovers inside the enclosure..silly question but it would make a clean install?
POWER --- Obviously I am going to need an amplified source or power. I was thinking that I would use a regular home audio receiver. This would connect to my JL amplifier powered by an inverter. Question 3: How do would I connect the home audio receiver to the car amp, RCA or high level signal inputs?
Question 1: Can someone help me find recommended enclosure volume?
Question 2: Can I mount the crossovers inside the enclosure..silly question but it would make a clean install?
Question 3: How do would I connect the home audio receiver to the car amp, RCA or high level signal inputs?
Am I missing anything here? Help with the project would be appreciated.
Thanks,
Jason
P.S. If anybody knows someone who would be interested in a nice 3way set let me know. J/K, I know this site isn't a place to solicit.
Replies (4)
MrBrownstone on 08/12/2008 03:41:09
I would make very certain that you cut off the system at about 80Hz from your home system. If your home amp doesn't have a high pass filter, I'd recommend you at least have a passive one. If you use a capacitor (-6dB/oct), I'd recommend cutting off at 160Hz so that you'll have a strong cut by the time you get to your lower octaves.
As far as the enclosure, CDT can recommend one. however, the speakers are designed to work in a relatively 'free air' door or back deck application. You could just experiement with bookshelf sized boxes you may have laying around for other purposes.
The 6.5" speakers would only need about 0.33ft^3...so an enclosure that has enough surface area to hold the speaker & accomodate for the magnet in the back is adequate spacing. Same for the 4" speaker.
I've done this before with 2way component sets (the hillbilly that I am) and it sounded very good.
Q1: Enclosure just large enough to fit the speaker is adequate
Q2: yes, just make the box a tiny bit larger
Q3: you can use your home audio amplifier...just with a HP filter.
MrBrownstone on 08/12/2008 03:41:43
PS: I think I have 5 or 6 sets of component sets lying around as well from my old days as a car audio trafficker USFLAG
swez on 08/12/2008 09:21:13
Agree with B on this one too. Sure, you can build mini-towers for home use if you wish and some input on the optimal sealed enclosure size for the 6.5" woofer would be key. (The woofer needs to be acoustically isolated from the MR/TW's and 0.3-0.5 cf for the woofer should be OK)
From there, a small sealed chamber for MR and TW will fill in the rest and yes, install the passive crossover inside the towers too. Am not sure if the crossover has a built in HP filter for the woofer, but it might. If not, scaling the woofer enclosure will preven to woofers from exceeding X-max, (Excusrion limits) for them.
Finally, some HT ampliiers can handle full range speaker loads of 4 ohms per channel safely. If you have a solid set of front channel speakers now, use the CDT's as rear fill. The trick is distance from the targeted listening zone and adequate power to balance everything out.
Comments?
Swez
MrBrownstone on 08/21/2008 03:08:46
with the current consumption, I don't think any home amplifier will have a prob with a component system @ 4ohm. now run in some 4 ohm woofers & you could maintain an 8ohm load.
Good to see the site still going strong. I haven't been around in a while and it is good to see some familiar names are still kicking around.
Anyways I have a set of CDT HD642 3 way components. The 4" midrange will not fit in the factory 4" location of my VW. I have been trying to sell these for a while now without any luck. Since I do not want to go drilling holes in my car I have decided to see if I can turn these into a kick a$$ home speaker setup.
ENCLOSURE --- I am going to make a nice classy looking tower style enclosure. Question 1: Can someone help me find recommended enclosure volume? Question 2: Can I mount the crossovers inside the enclosure..silly question but it would make a clean install?
POWER --- Obviously I am going to need an amplified source or power. I was thinking that I would use a regular home audio receiver. This would connect to my JL amplifier powered by an inverter. Question 3: How do would I connect the home audio receiver to the car amp, RCA or high level signal inputs?
Question 1: Can someone help me find recommended enclosure volume?
Question 2: Can I mount the crossovers inside the enclosure..silly question but it would make a clean install?
Question 3: How do would I connect the home audio receiver to the car amp, RCA or high level signal inputs?
Am I missing anything here? Help with the project would be appreciated.
Thanks,
Jason
P.S. If anybody knows someone who would be interested in a nice 3way set let me know. J/K, I know this site isn't a place to solicit.
Replies (4)
MrBrownstone on 08/12/2008 03:41:09
I would make very certain that you cut off the system at about 80Hz from your home system. If your home amp doesn't have a high pass filter, I'd recommend you at least have a passive one. If you use a capacitor (-6dB/oct), I'd recommend cutting off at 160Hz so that you'll have a strong cut by the time you get to your lower octaves.
As far as the enclosure, CDT can recommend one. however, the speakers are designed to work in a relatively 'free air' door or back deck application. You could just experiement with bookshelf sized boxes you may have laying around for other purposes.
The 6.5" speakers would only need about 0.33ft^3...so an enclosure that has enough surface area to hold the speaker & accomodate for the magnet in the back is adequate spacing. Same for the 4" speaker.
I've done this before with 2way component sets (the hillbilly that I am) and it sounded very good.
Q1: Enclosure just large enough to fit the speaker is adequate
Q2: yes, just make the box a tiny bit larger
Q3: you can use your home audio amplifier...just with a HP filter.
MrBrownstone on 08/12/2008 03:41:43
PS: I think I have 5 or 6 sets of component sets lying around as well from my old days as a car audio trafficker USFLAG
swez on 08/12/2008 09:21:13
Agree with B on this one too. Sure, you can build mini-towers for home use if you wish and some input on the optimal sealed enclosure size for the 6.5" woofer would be key. (The woofer needs to be acoustically isolated from the MR/TW's and 0.3-0.5 cf for the woofer should be OK)
From there, a small sealed chamber for MR and TW will fill in the rest and yes, install the passive crossover inside the towers too. Am not sure if the crossover has a built in HP filter for the woofer, but it might. If not, scaling the woofer enclosure will preven to woofers from exceeding X-max, (Excusrion limits) for them.
Finally, some HT ampliiers can handle full range speaker loads of 4 ohms per channel safely. If you have a solid set of front channel speakers now, use the CDT's as rear fill. The trick is distance from the targeted listening zone and adequate power to balance everything out.
Comments?
Swez
MrBrownstone on 08/21/2008 03:08:46
with the current consumption, I don't think any home amplifier will have a prob with a component system @ 4ohm. now run in some 4 ohm woofers & you could maintain an 8ohm load.
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