Small Room: 604's, 14's, or 19's?

[stlblue]

Stlblue - You are halfway there, IMHO - you already have drivers you like, so run with them! If you get 14s/19s, you dont know what you get till you get them and you will likely have to do some work anyway. Build some boxes, and maybe some good Markwart xo's, and you are golden!

I have a small/medium sided room - 15x17 and am 100% satisfied with the 604s in them. Much more so now that I have build these - http://www.hostboard.com/forums/f700...-604-mltl.html and gotten them more dialled in. They are GMs design, and really do sound excellent now (I know, I need to update the thread but I am not quite done tweaking) with only 3 watts! The sim he sent me looks very good, too. ;-)

More info in threads here - High Efficiency Speaker Asylum

And here - High Efficiency Speaker Asylum

If you want, I can send you a cut-plan I have and some general info I put together from emails and various threads. PM me if you want with your email addy.

Thanks, gortnipper. I have crossovers already. They are the original prototypes for these: http://www.iconicspkrs.com/downloads/dn604e_16su.pdf.

I'm pretty sure they use Stonehenges. Do you think those crossovers would be a good match w/ your MLTL design or would I be better of having Stonehenges built?

BTW, eds in your third link is me. :^)

Your help is genuinely appreciated.

[gortnipper]

Sorry - I cant give you any meaningful advice about those xo's, but they should work fine in GM's speaker design, I would think. I would think that there may be diffs in the sim with a 604E vs. a GPA 604-8H-III, but he would know far better than I. But you would need the series-R.

[GM]

A 604's XO point is well above the cab's 'sphere of influence', so has no bearing on its design/performance. The baffle area OTOH affects baffle step diffraction requirements [if any], but as long as the XO is adjustable it can usually be dialed in. Worst case, additional series resistance may be required if a very narrow baffle is used, so the rule-of-thumb is to maintain the same [or larger] baffle width as the cab the speaker was 'voiced' in.

GM

[gortnipper]

Do you know what baffle width the 604 was originally voiced with?

[GM]

Which 604? If you mean what GPA sells, you'll have to ask them. For all I know, the XO they sell has enough adjustability to cover every size ever recommended.

GM

[gortnipper]

Sorry, meant the 604E since that was what the OP is looking for help on.

[GM]

The E has a simple, generic XO with adjustable HF, so I assume it was voiced in a 620.

GM

[stlblue]

Sorry - I cant give you any meaningful advice about those xo's, but they should work fine in GM's speaker design, I would think. I would think that there may be diffs in the sim with a 604E vs. a GPA 604-8H-III, but he would know far better than I. But you would need the series-R.

I did find this: Thiele Small Parameter measurement question for a 604E. I'm going to lean on a buddy to get them built correctly. Needless to say, I'm going to just keep the 604E's. Thanks for all your help.