Ian - Benefits of floor standing models
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Joined: Jan 2002
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Ian:
I'm interested in checking out a set of Axioms for a 7.1 home theater. The room is 16 x 18 with a 10 foot ceiling. I currently own 2 HSU TN1220HO driven by a 600 watt pro amp so I won't be needing a sub. Main juice is provided by a Denon 3802 driving the rears and used as a processor and either an Adcom 7500 or Marantz MA500 monoblocks driving the other 5 speakers. Question is: In a setup that utilizes the 80hz crossover, is there any benefit to moving up to the larger floorstanders as opposed to the M22ti for the fronts? I own a set of high quality 24 inch stands, so the cost of the stands should have no bearing on the response.
Also, I've heard a lot about terrible off axis response (huge suckouts) with MTM centers used horizontally. Seems like guys like Nousaine claim it's the nature of the beast. Do your centers suffer the same fate and does the VP150 eliminate these suckouts due to its rather unique layout?
Finally, with 2 woofers a tweeter and a rather large box, I find it curious that the M22's only weigh 14 pounds. How thick are the panels that make up the box and what material are the boxes made of?
Thanks
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Re: Ian - Benefits of floor standing models
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Joined: Mar 2001
Posts: 1,387 Likes: 8
President connoisseur
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President connoisseur
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This is a great system you are pulling together. The only advantage to the fronts being towers, assuming the 80Hz cross over is in use, would be the M80s for getting more overall achievable output. With the power you are using it may be worth considering.
You are correct about the Center Channel problem when the tweeter is in the middle of the woofer array. The VP150 does eliminate this problem because the tweeters are on the outside of the array.
The M22s are very heavy. They are made with 3/4" MDF front, back, and sides. I think I will have the 14 lbs checked for accuracy.
Ian Colquhoun
President & Chief Engineer
Ian Colquhoun President & Chief Engineer
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Re: Ian - Benefits of floor standing models
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So, if I want to hit reference level during movies in my 16 x 18 x 10 foot room will the 22's do it crossed over at 80?
Thanks
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Re: Ian - Benefits of floor standing models
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Joined: Mar 2001
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President connoisseur
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President connoisseur
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The M22s will do it. The dual tweeters in the M80s will take you to an even higher level than the M22s but I think it is important to keep in mind that we are talking extreme levels that the M80s will go to and that would be overkill in your room.
Ian Colquhoun
President & Chief Engineer
Ian Colquhoun President & Chief Engineer
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Re: Ian - Benefits of floor standing models
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Anonymous
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Tony I would appreicate a few words on the 3802 I'm considering buy either that or the Onkyo 797. I'm only waiting because I don't know which one to get and any info would help
Thanks
Joe Nardi
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Re: Ian - Benefits of floor standing models
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I got the Denon at Uncles in NY. I paid around $800 shipped. I got the Denon because I was it sure it offered adjustable Dolby PLII paramters. Not sure about the Onkyo. Also, I think Denon's amps tend to be a bit more robust and the 3802 has 7 channels of amplification if you need them. The Denon is quite a smooth sounding but powerful piece with very quiet dsp's and analog pass through. I think it's a great piece for the money.
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Re: Ian - Benefits of floor standing models
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Joined: Jan 2002
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Why would you ever crossover tower speakers at 80Hz if it was not necessary? I know most receivers have only one fixed crossover point from their sub output (usually at 80Hz) but there are other ways to connect the sub.
Wouldn't it be better (defined as taking advantage of the full range of the Axiom towers) to use either the sub / receiver's line level in/out or speaker level in/out? This way you could use the sub's variable crossover and take advantage of the tower's bass (ie. set the sub at ~ 40Hz). This will work with most receivers by setting the receiver's speaker settings as follows: front speakers to LARGE, the rear and center to SMALL, and the sub to either OFF or NONE.
In this configuration the sub handles 40Hz and below and the front towers handle 40Hz and above (any bass below 80Hz originating in the rear and center would also go to the sub - that's why you set those to SMALL).
I know this post is overkill on a trivial matter but I happen to be very curious about this subject (as well as dismayed that more receivers, preamps and/or processors do not integrate either variable crossovers or more fixed point options into their bass management - which would simplify the solution to this problem).
Thanks for your thoughts.
George
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Re: Ian - Benefits of floor standing models
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Joined: Sep 2001
Posts: 8
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George,
Here's a thread that sold me on setting my mains to small, even though they are capable of decent bass (M60Ti). Plus, the small setting takes a load off the reciever. Also THX spec is an 80 Hz crossover. (although it would be nice to be able to change this for tweaking purposes!)
http://www.avsforum.com/ubb/Forum3/HTML/003524.html
--speedy
--speedy
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Re: Ian - Benefits of floor standing models
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Anonymous
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Anonymous
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I have experience connecting sub's to receiver subout connections (which uses receiver's crossover) and via receiver main-in/pre-out connections (which uses sub's crossover). For most powered subwoofers, the trade-off of getting a lower crossover and using your mains better low-end capabilities versus having a (usually) higher crossover built-in the receiver is volume control convenience. Many subs do not have a remote control, though most do have a volume knob -- when using the sub's crossover, for music, you'd likely have one sub volume setting, though for action movies, you'd likely want to turn-up the sub volume a bit for thos explosions. When using the receiver's crossover, you can control the sub's output setting via the receiver's remote control. Convenience versus potentially better sub/mains blending.
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Re: Ian - Benefits of floor standing models
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Anonymous
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Anonymous
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Why to buy floorstanding speakers at all?
If you have a good sub, just set the x-over to 80hz, all speakers to small...
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