Xoutpost.com - View Single Post - You people suck. 12 years later, I finally replace speakers.

Ricky Bobby · #5 03-20-2017, 11:11 AM

Just adding this as I'm doing DSP amp research into a solution that one can keep the factory enclosure and DSP amp happy, while upgrading the factory subwoofers in the rear of the E53 to something of a bit better quality construction -

Bob Hazelwood of Cambridge Soundworks and ADS fame writes...
"...the DSP amplifier uses a series of Philips chip amplifiers which are actually pretty good . There are four woofer channels feeding the two dual voice coil woofers. Each of these channels can produce 40W RMS into 8-Ohms at low distortion."

Based on that I am guessing the key is to try to find DVC subs as replacements (as Prop found out with his Pyles!) and not single voice coil

Although I have limited wiring experience, if you have 8ohm, SVC subs, you would hook them up to only use one channel on each sub (can you do that?) -

For example these Dayton woofers I referenced are 30W RMS so if you hook up each sub to 2 channels of the factory wiring, yes you would have 2 unused subwoofer channels compared to the factory setup, but you would still be well within factory wattage per channel and keeping impedance the same (I think)

Everything I'm reading says that if you take the + and - connections of a DVC and wire them together (parallel?) to go to a SVC sub replacement, you'd be cutting impedance by double, so a 2ohm load? Which would not be healthy on the amp I believe -

Someone correct me if I'm wrong but I'm theorizing.

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