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Crossovers for Crescendo 6.5 Mids! Please Help!


Austin42156

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I have a 95 Firebird and I will be installing a new four channel amp soon. I will have Jl Audio components in each door. Mids, tweets, and crossover. And I will have two Crescendo 6.5s Mids in the rear factory location. My question is will I need to install some kind of in line crossover for the crescendos to keep the really high pitched frequencies out ?

- 1995 Pontiac Trans Am

- 5.7 LT1 V8
- Kenwood Excelon x998 Deck
- JL Audio XR650-CSI 6.5" 2-Way Component Speakers (In My Doors)
- Crescendo Audio PWX 6.5" Mid Ranges (Right behind my seats)
- (1) Kenwood KAC-9105d Monoblock Amplifier
- (1) Kenwood X450/4, 4 Channel Amplifier
- (2) Kenwood W3013ps 12" Subwoofers
- Amps tuned with O-scope.
- Stinger Roadkill Sound Deadening
- F.A.S.T Rings by Mobile Solutions
- Phoenix Gold and Stinger wiring
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This is the amp I will be using. http://www.kenwoodusa.com/Car_Entertainment/eXcelon/Amplifiers/X450-4

Also, I want do design the system so I have more volume and the higher frequencies coming from the front of the car. I put the crescendo's in to add midbass only and I do not want to add tweeters to them.

- 1995 Pontiac Trans Am

- 5.7 LT1 V8
- Kenwood Excelon x998 Deck
- JL Audio XR650-CSI 6.5" 2-Way Component Speakers (In My Doors)
- Crescendo Audio PWX 6.5" Mid Ranges (Right behind my seats)
- (1) Kenwood KAC-9105d Monoblock Amplifier
- (1) Kenwood X450/4, 4 Channel Amplifier
- (2) Kenwood W3013ps 12" Subwoofers
- Amps tuned with O-scope.
- Stinger Roadkill Sound Deadening
- F.A.S.T Rings by Mobile Solutions
- Phoenix Gold and Stinger wiring
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Are you sure they need to be low-passed? A 6.5" mid-woofer typically rolls off naturally around 4kHz or so. Unless you need to low-pass it at a lower frequency you can probably get by without the x-over.

2011 Chevy Silverado LT 5.3L 4x4 Ext.-cab

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