That's perfect.

>> Somehow I'm under an impression that some HT speakers are voiced
>> differently for movies, but I'll only use these for music. Will
>> these be just as fine with music as are your other speakers?

Yes, π Theater Series are high-fidelity speakers. They are named "Theater Series" because they are perfect for home theater use, which almost always does "double duty" as high fidelity music speakers and as the sound system for movies.

>> Second, the three pi and four pi have different sized woofers.

That's right, yes. Three π's have 12" woofers and four π's have 15" woofers, regardless of the series.

>> The speaker guide on eminence's website says the Delta 12LF is
>> good for being a subwoofer while it implies the delta 15 isn't
>> as suited.

That's true too. The Delta 12LF is better suited for small enclosures too. You'll notice that the Theater Series three π is significantly smaller than the Theater Series four π speaker. The four π in this line needs the larger motor chamber volume in order to generate deep bass response.

>> Can I expect the same or more bass output from the four pi as the
>> three pi?

Both sound very similar, actually, and this is largely due to the vastly different size of the cabinets. But the three π is slightly better at hitting the very deepest notes, particularly when used with a powerful amplifier. The four π is better suited for systems using amplifiers having less power, such as the Class A tube amps that are becoming so popular.

>> If you could send me the FOUR theater pi plans instead of the
>> threes, that'd be great.

Check your mail. I've sent the plans to your E-Mail address.