car components for bookshelfs in a ht setup, anyone ever try? - AVS Forum
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post #1 of 6 Old 11-29-2013, 02:28 PM - Thread Starter
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so,i have a set of CDT CL61 mids and aset od SEAS aluminum neo tweeters that i recently pulled from my car. i've been contemplating gettin a set of bookshelfs to replace my front speakers and thought that i may be able to use these in conjunction with a 4 or 2 ohm dummy resistor to make a set of bookshelf... what do ou guys think?

these are the mids

1 pr 6.5” mid-woofer
Frequency response 55Hz-5.000Hz
Power handling: 80watt (110Watt Pk)
Impedance 4 Ohm Sensitivity: 91.7dB
Mounting depth: 2.75”
Cut out diameter: 5.75”
Cast frame: OD 6.7
Cone: Reinforced carbon paper cone
Magnet weight 20 Oz
Cone surround Buytal rubber
Impedance: 4Ohm
Voice coil: 1.0” (26mm)
Fs: 70Hz

and these are the tweeters







my biggest question is, will these make a better bookshelf than what i can buy for $50 to $150
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post #2 of 6 Old 11-30-2013, 12:28 PM - Thread Starter
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Anyone?

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post #3 of 6 Old 11-30-2013, 08:56 PM
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You may get better responses from the hobbyist's that frequent diyaudio.com and diymobileaudio.com.

I did it awhile back (probably dating myself). Dropped a Clarion coax into a self-made box, and the results were "meh".

Are you using the included crossover? They are typically designed for car installations where the woofer and tweeter are further apart. The woofers are normally optimized for free-air/infinite baffle applications, and you'll need a box of suitable size. Not to mention the box you build (or get pre-made) needs to be of sufficient quality to ensure nice, inert home for your comps.

I'd think what you build would be better than a $50 pair of bookshelf speaks, but depending on the time your want to invest will determine how good it ultimately is.
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post #4 of 6 Old 12-01-2013, 08:49 AM - Thread Starter
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Yeah, using the included crossover networks with a 4ohm dummy resistor wired I series was my plan.

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post #5 of 6 Old 12-01-2013, 01:56 PM
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Quote:
Originally Posted by diceman1000 View Post

Yeah, using the included crossover networks with a 4ohm dummy resistor wired I series was my plan.
Bad plan. Half your power will be burned off as heat in the resistor, and the power capacity of the resistor must be at least equal to, if not greater than, that of the speaker.

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post #6 of 6 Old 12-01-2013, 05:03 PM - Thread Starter
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Quote:
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Quote:
Originally Posted by diceman1000 View Post

Yeah, using the included crossover networks with a 4ohm dummy resistor wired I series was my plan.
Bad plan. Half your power will be burned off as heat in the resistor, and the power capacity of the resistor must be at least equal to, if not greater than, that of the speaker.

What would you suggest then?

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