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#94199 - 05/15/05 10:00 PM Re: Will M50 speakers survive?
F107plus5 Offline
connoisseur

Registered: 01/24/05
Posts: 2034
Loc: Fla. Orig. Mich.
Hi Red,

I see you hear about the same thing I hear with my M50s; less bass than expected. I was blaming my problem on poor room accoustics, anyway, I'm cheating and sneaking in a bit of "Bass Boost" to flatten the bass out up to the sub.

The other thing I've noticed is something I can tell about my 10 yr old grandson. He was playing playstation and a character in the game shattered a glass window; My 6 yr old grandson came running to me to rat on his brother!!

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#94200 - 05/15/05 11:13 PM Re: Will M50 speakers survive?
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5449
Loc: Bowmanville, Ontario, Canada
That reminds me... I forgot to ask what your room sizes were for the M3-friendly room and the room you have the M50s in now.

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#94201 - 05/16/05 08:40 AM Re: Will M50 speakers survive?
F107plus5 Offline
connoisseur

Registered: 01/24/05
Posts: 2034
Loc: Fla. Orig. Mich.
For the M50s:

16.5x27 with a fireplace to the left and a large open area behind the couch to the right. Doorways and hallways are kinda fixed so there is only one place for the 65" Mits with the speakers(unfortunately)located Inside vertical cabinets(which also contain the electronics)to either side of the TV. Even the sub has a bad spot, sitting in the corner next to the left speaker "Cabinet" firing right toward the side of the fireplace.(It's a cobbled up old 1946 theater speaker box I up-converted into a sub, has sentimental feelings, can't part with it at this moment, but due to WAF, can't move it to a spot where it can be too obvious. Not that I can find a better spot for it anyway, even playing the sub-crawl game)

For the M3s:

12.5x28, The narrower room was laid out in such a way that I could set up the system with much more latitude. We still had the vertical cabinets next to the old 31" TV, but the M3s were to the ousides of them, on stands. The sub sat in an ideal corner where even it, and the Wife, were happy!

The old house was better, but now with four Grandkids to raise, we needed more room!!
Rich.

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#94202 - 05/16/05 10:57 AM Re: Will M50 speakers survive?
Red Offline
frequent flier

Registered: 04/14/05
Posts: 12
Re: "Are you familiar with the trick of using a helper with a mirror to find the reflection points on walls & floor ?""

No, am not really familiar with the mirror trick. But thinking about it, I would assume you are just finding angles like a pool/snooker player would.

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#94203 - 05/16/05 03:18 PM Re: Will M50 speakers survive?
WhatFurrer Offline
aficionado

Registered: 12/02/03
Posts: 692
Loc: Round Rock, Texas
In reply to:

Are you familiar with the trick of using a helper with a mirror to find the reflection points on walls & floor?


I would be interested in a more detailed descriprion of this procedure as I will need to probably perform this procedure in my new house's greatroom.

Details, man...we want details!

WhatFurrer
_________________________
"Meddle not in the affairs of Dragons, for you are crunchy and good with ketchup..."

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#94204 - 05/16/05 08:12 PM Re: Will M50 speakers survive?
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5449
Loc: Bowmanville, Ontario, Canada
I imagine it's just like the pool/snooker thing although at my skill level knowing exactly where to aim wouldn't help much anyways.

It is pretty simple -- you are just trying to make sure you put the absorber/diffuser stuff in the right place to catch the reflections. The most important points are the "first reflection points", where the sound from the speaker bounces off floor or wall and right into your ear.

Sit in your normal listening position and have someone slide a speaker along the wall until you can see the tweeter reflected in the mirror. Mark the spot with a post-it or something. Do the same on the floor (again looking for the tweeter), another post-it. Then have the helper do the same thing for the other speaker.

Your rug needs to cover the two post-its on the floor. Arrange moose heads or wall hangings (or big poofy furniture) to cover the post-its on the wall.

If you have a shiny coffee table, you need to see if you can see the tweeter reflected in a mirror sitting on the table -- if so then cover the table with nachos or something with similar acoustic properties. Wings are quite good too, isn't this a great hobby ?

EDIT -- if you care about the sound anyone else hears (or if they don't let you have the good seat) then you should repeat the procedure in the other seating positions. You will end up with clusters of post-it notes and that will tell you where the moose heads go.


Edited by bridgman (05/16/05 08:20 PM)

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#94205 - 05/16/05 09:44 PM Re: Will M50 speakers survive?
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10971
Loc: Central NH
In reply to:

Sit in your normal listening position and have someone slide a speaker along the wall until you can see the tweeter reflected in the mirror.




Jeez, John, you better edit that post again before someone gets a hernia!
_________________________
::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::

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#94206 - 05/16/05 10:04 PM Re: Will M50 speakers survive?
bridgman Offline
axiomite

Registered: 08/25/04
Posts: 5449
Loc: Bowmanville, Ontario, Canada
Good catch. That should read have someone slide a MIRROR along the wall, of course.

D'oh !!

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