Looking for your input on new video!
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Joined: Dec 2001
Posts: 334 Likes: 5
Axiom Engineer devotee
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OP
Axiom Engineer devotee
Joined: Dec 2001
Posts: 334 Likes: 5 |
Hi everyone,
Our last Axiom information video covered the fairly simple topic of port plugs and we have been very pleased with the discussion that it has generated. In that same vein we are currently preparing for a video on the basics of speaker placement and positioning and would love to get your input on the topic. Is there a question within that subject that you've always wanted to ask but maybe felt it was too basic? You can post your questions in this thread or PM me directly, in case you're too sheepish about asking in public! I can't promise that we will be able to cover everything in the first video, but it would be great if we could make this a regular event as we plan more videos. Answering questions on topics that you're interested in is the purpose of these videos in the first place!
Thanks for your input,
Andrew
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Re: Looking for your input on new video!
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Joined: Sep 2011
Posts: 1,767
connoisseur
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connoisseur
Joined: Sep 2011
Posts: 1,767 |
Andrew:
Axiom's previous vids have been great. The last one on the Plugs prompted me to experiment with a couple of DIY Plugs that completely cured the excessive bass issue with my M3s.
The subject of basic speaker placement would be most welcome; however, over the years with my systems, WAF & aesthetics seem to rule where my speakers are placed for the best visual impact...
TAM
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Re: Looking for your input on new video!
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Joined: Oct 2012
Posts: 2,021 Likes: 1
connoisseur
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connoisseur
Joined: Oct 2012
Posts: 2,021 Likes: 1 |
I'd like to see specific points on dealing with compromises seen and or heard in small or narrow rooms as they relate to the front sound stage. For example, is it worth while to copy 2 channel listening layouts for the front sound stage in an HT (simply add the center)?
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Re: Looking for your input on new video!
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Joined: Feb 2004
Posts: 1,863
connoisseur
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connoisseur
Joined: Feb 2004
Posts: 1,863 |
Andrew, It would be interesting if you could convey the principles that Wilson Audio cover in their manuals.. As seen in section 2.1 starting on page 15. http://www.wilsonaudio.com/pdf/manual_soph3.pdf I think this is a wonderful topic for a video, if you're able to convey the true importance of placement.
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Re: Looking for your input on new video!
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Joined: Jun 2003
Posts: 8,488
axiomite
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axiomite
Joined: Jun 2003
Posts: 8,488 |
Toe-in, vertical positioning for bookshelves, first reflection points. You could do a whole episode on center channels.
bibere usque ad hilaritatem
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Re: Looking for your input on new video!
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Joined: Jul 2006
Posts: 12,077 Likes: 7
Founder, Axiom Upgrade Club shareholder in the making
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Founder, Axiom Upgrade Club shareholder in the making
Joined: Jul 2006
Posts: 12,077 Likes: 7 |
Should I experiment with facing my LFR1100s the other way so I can see your signatures all of the time?
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Re: Looking for your input on new video!
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Joined: Apr 2012
Posts: 350 Likes: 3
devotee
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devotee
Joined: Apr 2012
Posts: 350 Likes: 3 |
Hi Andrew, many thanks for bringing this subject up. This isn't a question but did get me wondering just how poor of a decision I'd made concerning my centre channel position so I did a little experimenting. Took a laser pointer, protractor, tape measure, checked the angle which the centre was projecting into my room, at what height was it really directed. Was clear it's present position was pointing at the legs of anyone in the first row, fine if you were sitting in a bean bag on the floor, not so much sitting in the chair. So, I have scrap oak laying around from other projects. Used some to fabricate a stand with some height adjustable speaker stand spikes. Can't say I've noticed a night/day difference with the new stand but voices sound better, clearer is the best word to describe the change. So again, thanks for the idea, looking forward to your Video on the subject. /Jeff
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Re: Looking for your input on new video!
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Joined: Jul 2004
Posts: 4,444 Likes: 16
connoisseur
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connoisseur
Joined: Jul 2004
Posts: 4,444 Likes: 16 |
I've always been afraid to ask just what the heck "comb filtering" means. It's mentioned all the time whenever the center channel subject comes up. I've seen/read a couple papers on it, but still don't get it.
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Re: Looking for your input on new video!
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Joined: Aug 2009
Posts: 6,015
axiomite
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axiomite
Joined: Aug 2009
Posts: 6,015 |
I've always been afraid to ask just what the heck "comb filtering" means. It's mentioned all the time whenever the center channel subject comes up. I've seen/read a couple papers on it, but still don't get it. I think I've experienced it. Send a test signal sent through the main speakers by using a CD with these tracks on it. Walk slowly across the path of the mains holding a sound meter pointed at the front of the room where mains are at. The reading will vary up and down as you walk across, but will remain steady when you stop at any point.
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Re: Looking for your input on new video!
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Joined: Sep 2011
Posts: 1,767
connoisseur
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connoisseur
Joined: Sep 2011
Posts: 1,767 |
Using only my ears, I found that experimenting with 3 brands of horizontal WTW types (including my VP100) that there was negligible sound deficits in my room until past 30 degrees off axis.
While 'comb filtering' is certainly present in virtually all horizontal speaker designs, in the real world in most rooms it probably is minimal unless one gets way off axis. I didn't even bother experimenting with my new VP160 because I knew that there would be no or little degradation of sound within our listening area. Perhaps my odd shaped room helps as well...
TAM
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