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<blockquote data-quote="bass_lover1" data-source="post: 5857874" data-attributes="member: 555256">CSX was the older car version I believe, before Peerless made the HDS.I&#039;ve used these mids before, for about two years actually.&nbsp; Fantastic mids, especially at that price.&nbsp; Midrange is excellent and usable to about 3.2kHz, midbass was fair but could play down to 63hz, needed some EQ to get some output, however.It&#039;s irrelevant, because generally 8ohm drivers are more efficient.If you have a 4 ohm speaker rated @ 2.83V and an 8ohm speaker rated at 2.83V, the 4 ohm driver is actually getting 2 watts, where the 8 ohm is only getting 1.&nbsp; If they are rated say at 90db @2.83V the 8ohm driver is more efficient, because it only takes 1 watt to have that efficiency.&nbsp; Since everyone says that doubling power is a theoretical 3DB gain, then the 4ohm driver would only be rated @ 87DBs @ 1 watt, instead of 90@ 2 watts.</blockquote>

[QUOTE="bass_lover1, post: 5857874, member: 555256"] CSX was the older car version I believe, before Peerless made the HDS. I've used these mids before, for about two years actually. Fantastic mids, especially at that price. Midrange is excellent and usable to about 3.2kHz, midbass was fair but could play down to 63hz, needed some EQ to get some output, however. It's irrelevant, because generally 8ohm drivers are more efficient. If you have a 4 ohm speaker rated @ 2.83V and an 8ohm speaker rated at 2.83V, the 4 ohm driver is actually getting 2 watts, where the 8 ohm is only getting 1. If they are rated say at 90db @2.83V the 8ohm driver is more efficient, because it only takes 1 watt to have that efficiency. Since everyone says that doubling power is a theoretical 3DB gain, then the 4ohm driver would only be rated @ 87DBs @ 1 watt, instead of 90@ 2 watts. [/QUOTE]

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