I'm looking to set up a nice front stage and was wondering what everyone thought of this. I saw the TC Sounds RMB 8" mid bass and it looked like a nice piece (opinions) however I'm not sure if this comes with a band pass X-over?
What should I look for in a mid bass? I though frequency response was of the most important but no one seems to list there frequency response for there mid bass drivers.
I'm thinking a great set-up would be a 2 way component front stage and a dedicated mid bass probably from a different brand(to make it a 3 way) and a sub. How would a set of focal K2 be with a tc sounds 8" mid with one or two 12" JL Audio W3v3's.
Last question....what would your x-over points be for each speaker?
Especially mid bass...I'm thinking the mid bass needs to play from about 70Hz to 1000Hz is this to much should it be more like 70 to 250Hz?
Frequency response of the driver isn't an issue by a long shot when your intention is to bandpass it. It would, in fact, be taking the place of the component mids in the bass freq range, so that would be from ~80 Hz to ~500 Hz. Any 8" driver will perform in that freq range, but mixing it into your system is where the going gets hard.
Driver orientation is a key factor as all front drivers should be grouped closely together It is much easier to fail spectacularly with a homemade 3-way front than to pull it off easily. You should first set up your best possible 2-way component frontstage before endeavoring to add the dedicated bass driver into the mix. This includes, of course, the damping of the car's metal in the important areas. By adding the dedicated bass driver, you will also encounter the need for additional gear that will be needed for managing the crossovers and more sophisticated testing procedures than normally needed with the more common (pre-designed crossover) setups.
haemphyst's new system is a thread you should read. It will answer many of your preliminary questions and help prepare you for a project that can go on for a long while.
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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.