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Hi Sonnie,

I haven't heard a word.

I've rebuilt my mains again and have added 4 passive radiators to the lower cabinet and rebuilt the front baffel and removed the ports. Lower section box freq just dropped from 30 to 23 hz. Just got 'em in the house. Finished rebuilding my subs again too! I replaced all 8 Parts Express 1100 gram passives with the ones CSS is selling now loaded to 1800 grams each, bringing my box tuning from 24 hz to 18 hz for each sub.

I'm anxious to have a couple of the guys over now because it really rocks! Little problem developed though....the Rotel was starting to shriek at me and do some funny things I didn't like so it was shipped out Wednesday to Rotel for a total revamp and upgrade of the Eprom chip and updated software. A couple of days past warranty and they still took care of me!

That means, my demo is on hold for a couple of weeks. "I haven't even heard the mains yet"!! That's like having a new Corvette in the driveway waiting for the wheels....."

Maybe some others will chime in....

Take care,
Mike
 

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Discussion Starter #103
Hey guys,

Sorry for the long delay again. I'm on active duty with the Army and will be returning to Houston in about a week. We should definitely get together at Mike's place soon. It looks like he's done an amazing job!! My Nat P Waves are nearly complete too, and I'll be starting the sub project shortly thereafter. Talk soon...

Mark
 

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I've been busy.

1. I ditched DTV after 10 years and went with with AT&T's U-Verse. I got the U200 and 10Mb Max Internet package. I'm doing all kinds of geeky stuff with the house network like going Gigabit. I ran Cat5e throughout the house and from the NID to where the gateway would be. The installer said it was his favorite install to date. While waiting for the lineman to come hook us up, we watched Transformers. The IB was boomin'. :)


2. Squirrels in the attic ate my temporary speaker wire for the IB. It's wired with 12ga CL3 now and it's hidden from the evil tree rats. I originally posted about it here.

 

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Discussion Starter #106
Houston Home Theater DIY July meeting
Our preliminary plan is to be hosted by Mike Cason to see and hear his amazing creations. If you've not been following along, check out the photos of his mains and massive subwoofers built on a passive radiator platform (4 posts above this one). Please chime in with your input about time, topics, issues or anything else related to the Club.

SUMMARY
Date: July 26 or 27, afternoon.
Host: Mike Cason
Location: League City area
Topic: Mike's DIY speakers and HT design

Thanks, Mike, for offering to show off your designs. I'll post final details after about a week based on your responses.


Mark (mrstampe)
 

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Hey guys.....:bigsmile:

I'm getting excited about your enthusiasm. Many dollars and years have gone into my project and I certainly enjoy auditioning it to folks, especially ones that know the DIY challenges. Most people can't imagine the amount of work that has to to into a full DIY home theater......

I hope I get my Rotel back soon and I should have the Bang & Olfusen RL60s finished by mid week and installed by the end of next weekend. They should really set off the surround system. You can see them at my new website I just got online a couple of days ago. I've still have more info and pics to add, but at least it's up and running....:daydream:

Thanks,
Mike Cason
 

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Hi Guys,

I spoke with Mike Sheehan at Rotel last week and my unit was supposed to go on his workbench on the 24th. I'm not pushing them as they took it back after the warranty period had expired. All of the new audio formats and upgrades are being performed.

I have a new website up and running now to give back to the DIY people who are just getting into the new hobby as well as for those that are always looking for new suppliers and etc. My site is free and I have an open forum and I am not a manufacture biased website. After 10 years of folks helping me out, I felt it was time for me to give my time in return to help others with what limited knowledge I have.

I ran into a bit of a problem today. Today was my install day for my completely modified Bang & Olufsen Redline 60 speakers as my side surrounds, and they won't be able to be mounted where I need them. They are now for sale and I have a link below for the listing here at the Shack:

http://www.hometheatershack.com/forums/classifieds-audio-equipment/11797-b-o-redline-60s-sale.html#post104706

Full details with crystal clear pics of my modification and rebuilds can be found on my new website. Just look under the Bang & Olufsen Redlline Modification in the index. I have more information in my phpBB forum under the "Garage Sale" discussion.

I am devastated, as these are simply awesome speakers and I've worked so hard on them. I've fixed two manufacturer's flaws with the ABR's and the crossovers. How about 94 to 96 dB efficient?

Let me know if any of you are interested in them. I have an extra pair of speakers for back up drivers, tweets, and crossovers. I also have a single pair of stands. $600 takes everything.

I'll keep you posted if Rotel has a delay or problem with my processor/amp well ahead of our intended meeting target date of July 26th or 27th.

Thanks,
Mike UPDATE>>>>>The B & O speakers now installed and off the market.
 

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Re: July 26th or 27th meeting...

Weeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

My Rotel is back and is online. I've got some tweaking to do and am still working on getting my old/new Bang & Olufsen surrounds installed. I've got some good Polk RC85I's ceiling mounted surrounds, so if the B & O's aren't in yet, were still ready to go!

I'm not selling the B & O's now because I'm determined to find a way to mount these simply awesome and efficient speakers.

I'll hand this post over to Mark now and let him help me get my end of the meeting ready for you guys because this is a new twist to my lifestyle......:coocoo:

Thanks,
Mike
 

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Discussion Starter #115
Houston Home Theater DIY July Meeting​
Time:
Sunday, July 27
2:00pm - 4:00pm

Location:
Mike Cason's home
See general map below
Directions with your RSVP

Agenda:
Mike will be wowwing us with his amazing DIY home theater system with mulple custom-built speakers and newly reworked amplifier. I'm sure he has demo material to show off his creations, but if you want to try out your favorite movie scene or a music track, bring it along (I'm sure Mike wouldn't mind). We'll hear about his design goals, information and supply sources, cabinet construction, testing, and his final assessment. I'm sure some great advice will come out of this session for anyone considering building speakers or designing a home theater.

Contact:
Mark (mrstampe)
832-723-2119
or PM me


All are welcome, but for security purposes we'll release specific maps and directions only to those who contact me by PM or phone.
 

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Discussion Starter #118
Reckon I could carpool with someone. :blink:
Absolutely! Surely there's someone else who'd like a little roadtrip over to Houston. Maybe some BBQ or "real" Tex-Mex for lunch too?

Just going to miss me and my new/current build. I will be moving to College Station in early August for graduate school. Perhaps next time.
Ahhh, another DIYer coming to town... well, College Station is close enough! Welcome. We'll be looking for you at one of our future events.
 

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Ahhh, another DIYer coming to town... well, College Station is close enough! Welcome. We'll be looking for you at one of our future events.
I will probably need some help bringing my builds to the meets ;). I typically build active systems (so amps are a must) also, I make my builds strictly based on perceptual research meaning they must be audibly inert [among other things] - so they are heavy*. My current three-way will weigh about 130-150lbs a piece...

These are over built in terms of being inert since I had some volume to kill as there was a material change for the constrain layers halfway through, but here is an idea of the cabinet [midrange/tweeter module only shown]. By the way these are going to be my computer speakers as that is the only place I could actually use a monopolar speaker. As far as main speakers go they need to be omnipolar for the most realistic experience possible [as shown by perceptual research].

*Through testing using an accelerometer and a handful of articles published in the JAES I have determined typical DIY and commercial bracing techniques are insufficient in eliminating audible midrange resonances.


 

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Aw man! I'll be in Jamaica! Wish I could join you fellas to get a taste of the whole DIY thing (since I have yet to get into it). Maybe next time.
 
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