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Dayton Audio SD215A-88 8" DVC Subwoofer
I received this speaker and it fits into my sub box that's 60 watts rms but the volume is low,,the original speaker is about the same but single voice coil and 4 ohms. This says 4 ohms but I checked and my meter reads 6.6 ohms. How to wire?
It sounds like you only wired one of the connections on this woofer. They are each 8 ohm, so you will want to wire the two together in parallel (+ to +, - to -) which will present a 4 ohm load to the amplifier and provide about 3 dB more output.
Date published: 2015-01-28
In the catalog this is listed as 8 ohm, here on line it says 4 ohm. Can we clear this up ? Finding a lot of things like this. Online shows one thing, catalog shows different info on the same part. Thanks for any help in advance.
DVC = Dual Voice Coil--two coils per driver. Each voice coil is 8 ohms. The two coils can be wired together parallel to yield 4 ohms for the driver, or in series to yield 16 ohms. Each coil can also be used individually (two amp output channels into one driver), which presents an 8 ohm load to each amp output.
Date published: 2015-01-25
Compatible with Dayton Audio SA100 100W Subwoofer Plate Amplifier? Best wiring for DVC with this amp? In a 1cu.ft vented box (2.5" x 8" port as above?).
Yes this will work with that amplifier. Simply wire the coils in parallel for a 4 ohm load to the amp.
Date published: 2014-12-16
How would this do in a free air application such as in mounting it in a rear deck of a car?
This will work reasonably well in that type of application if you aren't expecting huge amounts of output from it. This should reach into the low 30's pretty easily and moderate volume levels.
Date published: 2014-12-05
Building a sub to fill in lows for W3-881SJF bookshelf speakers. Planning a 4th order bandpass using a 10" PR in place of a port. This appears to give a flatish response to about 25Hz at expense of gain. Will the speaker survive this treatment? 25W amp.
Yes this woofer will work fine for low to moderate volume levels. I don't see there being a problem with only 25 watts.
Date published: 2014-11-24
Have a single cab truck thinking of getting 2 of Dayton Audio SD215A-88 for my truck.They well be in separate enclosure which the Volume is .4 Cubic Feet. What amp would I need to run the subwoofers?
The amplifier below will be a good choice for a pair of those, with one woofer on each channel.http://www.parts-express.com/boss-r3002-riot-600-watt-2-channel-mosfet-car-audio-amplifier--265-3982
Date published: 2015-02-01