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HELP, i have a subwoofer wiring dilema


frozen_flame77

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Okay, so I just bout 2 12" infinity kappa perfect subwoofer. along with a 2-channel soundstorm 1300 watt amp. if i wire it stereo, each sub only gets 265 watts at 4 ohms. i'd like to give them a bit more, considering that they are rated at 350 rms but i have heard tales of them handling 600 rms easy. plus, i have a 1300 watt amp, i want to use it. just wondering if anybody knew what other options i had, since the subwoofers are single voice coil 4 ohm. is there a way to wire it stereo but make the load to the amp 2-ohm?? any help would be appreciated

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Yes. You wire them in parallel. (connect both positives from the speakers to the positive of the amp and do the same with the negatives) This will give you a 2 ohm load at the amp. Just make sure the amp can handle a 2 ohm load in the bridged config.

 

 

Update- I just looked up the specs on your amp. It is not rated for 2 ohm operation mono. If you do it, you risk damaging your amp. Your best bet is to hook each sub to a channel and go with the reduced power output. Either you need different subs or a different amp to get more power. Sorry

 

Update2- I just re-read your question. The only way to get full power of out that amp is to provide a 4 ohm load bridged. Any other way you try to do it with the speakers you have, you are going to get the same power. 4 ohms stereo = 2 ohms 1 side of stereo = 8 ohms bridged.

 

Glock

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my amp's manual says it is 2 ohm stable...the proper name for the amp is Soundstorm Stretch Daddy D650.2 , maybe that will help. i get 1300 watts bridged, but they don't tell me if that is in a 2 ohm load or 4 ohm. so like, if i hook it up bridged, what load would i be pulling?

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This is all I can find...

 

Soundstorm D650.2 Stretch Daddy 2 Channel Amplifier Car Amp

Brand: SoundStorm

Condition: New

RMS Power Output: 260W x 2 @ 2 Ohm

Peak Power Output: 650W x 2 @ 2 Ohm

Birdged Output: 1300 x 1 @ 4 Ohm

Signal To Noise Ratio: 105dB

Frequency Response: 9Hz-50kHz

Bass Boost: 18dB

THD @ 4 Ohm RMS Power: 0.01%

Ohm Load Stability: 2 Ohm

Low Level Input: Yes

Built in Cooling Fan: No

Bass Control Knob: Yes

Dimensions: 13"W x 2-5/8"H x 9-1/8"L

 

It is 2 Ω stable in stereo and only 4 Ω stable in bridged. If it were 1 Ω stable in stereo , then it would be 2 Ω stable in bridged.

 

With the 2 SVC 4Ω speakers that you have you have 4 ways of wiring them.

 

1. Wire them in series for an 8 Ω load and connect them to the bridged output of the amp. This will give you 325w max to each speaker

 

2. Wire each speaker to a channel of the amp 4 Ω on each channel. This will give you 325w max to each speaker.

 

3. Wire them in parallel for a 2 Ω load, connect them to one side of the 2 channel amp (leaving the other side open which is probably not a good idea) and get 325w max to each speaker.

 

4. Wire them in parallel for a 2 Ω load, connect them to the bridged out put and melt down the amplifier (not a good idea)

 

Like I said before, no matter which way you connect them you are going to get the same power. You have a load mis-match which can only be corrected by getting different subs (ex.2 DVC 4 Ω) or a 2 Ω stable mono amplifier.

 

Glock

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oh cool...you've been a great help...yeah, i'm kinda kicking myself for not buying the dual voice coil version of the subs i have for the same price...STUPID STUPID STUPID!!

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