Want to do a new build using the HiVi L6-4R, help??

[mattsk8]

Just saw this, been a while since I've had time to peruse the speaker forums! I can't wait to hear this come to fruition. Its looking like you'll be listening to your system all done before I get mine done . With Christmas behind me, I should be able to move forward again.

[mattsk8]

Figured I'd update this. Here's a link to pics, and to the Blues Kit's offered by Meniscus. http://www.diyspeakerforum.com/viewtopic.php?f=2&t=434

Also, Paul Kittenger designed a ML/TL cabinet for the MTM version of the Blues, which I built and use. The bass is incredible, and they still play very loud . Here are pics of that build...

Panels cut, dado'd and rabbeted


I made the xover removable, for tweaking purposes


Dry fit the cabinets to make sure everything goes together the way it should


Back of the cabinets with removable xovers


Cabinets assembled. I still need to finish the exteriors, and once that's done I'll update this again.


If anyone has any questions, feel free to ask. I have dimensions for all the cabinets, and Paul K also designed a ML/TL cabinet for the TM (as well as the MTM), so if 47" is too tall or these are too deep, the TM might be the better option for you.

[hthale]

Would you post the dimensions of the cabinets - I would be very interested in building them.

[mattsk8]

Would you post the dimensions of the cabinets - I would be very interested in building them.

No problem! Which are you interested in? The MTM or the TM? And would you do the tower version or the stand mount?

[hthale]

I would actually be interested in both the MTM and the TM.

[mattsk8]

I would actually be interested in both the MTM and the TM.

Sorry, 9 days later . Here you go, MLTL cabinets as designed by Paul Kittenger....

This is the TM, which I haven't built yet but would LOVE to hear this side-by-side with the MTM. I actually prefer the TM sound to the Blues MTM in the standard bookshelf cabinets, but most others actually prefer the MTM to the TM.

The ML-TL cabinet I modeled for the TM using the HiVi L6-4R has internal dimensions of 7.5"W x 7.5"D x 40"H. The woofer and tweeter are located on the baffle both horizontally and vertically exactly as they are for the vented TM so that the crossover works properly.

The port's center is located 3.5" above the internal bottom, and the port has a diameter of 3" and a length of 5" (port does not have or need flares on either end). The port can be located on the baffle or rear panel. The top 20" of the cabinet are stuffed at a uniform density of 1 lb/ft3, requiring 9-10 ounce of polyester fiber. You can use loose fiber like Polyfil from Walmart or Acousta Stuf.

The overall system tuning frequency is 40 to 41 Hz.

MTM ML/TL cabinets... Internal dimensions 7.5"w x 13"d x 46" tall. For driver layout, put the tweeter 11.25" down from the top of the cabinet, centered in the front baffle. Then I have 1/4" between the tweeter and the woofers.

Quote from Paul Kittenger after he modeled the cabinet dims for me...

You can see f3 is 40 Hz and this baby will really crank--about 109 dB SPL for a 45-watt input--without killing the drivers.

I concur, they do crank . What I don't remember is the port size for the MTM and I'm at work right now. If I remember, I'll measure and post tonight when I get home. There's also some info on stuffing, if you're going to build these, I can find that as well. IIRC, the MTM was 16 OZ pillow stuffing in the top 24" of the cabinet.