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-   -   Can i hook this sub and amp together..?? (https://www.rx8club.com/series-i-interior-audio-electronics-24/can-i-hook-sub-amp-together-213923/)

speedy-8-ball 03-25-2011 06:54 PM

Can i hook this sub and amp together..??
 
Boston Acoustics 12.5LF Pro Series 2 ohm sub-woofer and Rockford Fosgate Punch amp p600.1db

WikkedOne 03-26-2011 03:52 PM

That sub is 550w RMS @ 2 ohms and the sub is 600w RMS @ 2 ohms.. I think that's a perfect match

speedy-8-ball 03-29-2011 12:37 PM

i keep reading different things. The amp isn't 4 ohm?

azzuro 03-29-2011 10:34 PM

Rockford site says 4-ohm@ 325W, 2-ohm @600W. You should be good to go.

http://www.rockfordfosgate.com/produ...7&locale=en_US

firebirdude 03-30-2011 11:31 AM


Originally Posted by speedy-8-ball (Post 3927697)
i keep reading different things. The amp isn't 4 ohm?

There's no such thing as a 4 ohm amp.


Jabs aside, I believe Rockford's bd-series has alway been single channel amps stable to 2 ohms. The interesting point is that I believe most are, in fact, stable to 1 ohm. After hearing this great success from many people, I beat down a bd1000.1 at 1 ohm for ~4 years without a single hiccup.

speedy-8-ball 03-30-2011 12:13 PM

<<This is a fantastic amplifier choice for a 4-ohm DVC subwoofer or pair of 4-ohm SVC subwoofers. >>

My sub is a 2 ohm though?




http://www.rockfordfosgate.com/produ...7&locale=en_US

firebirdude 03-30-2011 01:17 PM

DVC stand for "Dual Voice Coil." Each voice coil would be rated at 4 ohms nominal. Rockford Fosgate assumes you would wire the voice coils in parallel for a final load at the amp of 2 ohms.

http://www.rockfordfosgate.com/rftec...hmDVC_2ohm.gif

Your Boston subwoofer is 2 ohm SVC. Pretty straight forward.

Maybe play around with their wiring wizard to help you visualize
http://www.rockfordfosgate.com/rftech/woofer_wizard.asp

azzuro 03-31-2011 11:33 PM

1 Attachment(s)
It'll work for 4 or 2 ohm loads. Look at the specifications page!
Attachment 247006
Without getting too far into circuit theory, I'll just say that at 2ohm you achieve maximum power transfer. Anything other than 2ohms, and you cannot feed as large a load hence the reduced power (325W instead of 600W).

If you're interested, http://en.wikipedia.org/wiki/Maximum...ctive_circuits. Your speaker is basically a big inductor.


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