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<blockquote data-quote="UnderFire" data-source="post: 7441947" data-attributes="member: 632639">1. I don&#039;t think that airspace is a big issue on the CVR&#039;s, I&#039;ve seen some in tiny sealed boxes, I&#039;ve even seen one 10 in a huge obcon box with dual ports that could have been 3cu. ft. or more.2. I always build seperate chambers, but I&#039;m sure there are people who have tried both ways that will be able to help you.3. a terminal cup isn&#039;t needed, you can just drill a hole in the side, but make sure to seal it up, and the same with the divider, just drill a hole and seal it well.4. Either one will work, it depends on the amplifier, ohms is the measure of electrical resistance, and the lower the number gets, the more power you draw from the amp, but some amps only go down to 2 ohms, so be careful.When you&#039;re looking at a spec sheet on an amp you&#039;ll see something like this.450W RMS x1 @ 4OhmsThat tells you that if you have your wiring set-up to 4 ohms, the amplifier will max out at 450W rms, and the number usually doubles at 2 ohms, and at 1 ohm, it&#039;s around triple the 4 ohm output.</blockquote>

[QUOTE="UnderFire, post: 7441947, member: 632639"] 1. I don't think that airspace is a big issue on the CVR's, I've seen some in tiny sealed boxes, I've even seen one 10 in a huge obcon box with dual ports that could have been 3cu. ft. or more. 2. I always build seperate chambers, but I'm sure there are people who have tried both ways that will be able to help you. 3. a terminal cup isn't needed, you can just drill a hole in the side, but make sure to seal it up, and the same with the divider, just drill a hole and seal it well. 4. Either one will work, it depends on the amplifier, ohms is the measure of electrical resistance, and the lower the number gets, the more power you draw from the amp, but some amps only go down to 2 ohms, so be careful. When you're looking at a spec sheet on an amp you'll see something like this. 450W RMS x1 @ 4Ohms That tells you that if you have your wiring set-up to 4 ohms, the amplifier will max out at 450W rms, and the number usually doubles at 2 ohms, and at 1 ohm, it's around triple the 4 ohm output. [/QUOTE]

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