problem, new AVR-3312 in the mail and contemplating ML Dynamo 500/700, connection question - AVS Forum
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post #1 of 20 Old 06-20-2012, 10:55 AM - Thread Starter
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First post, so bear with me.

I'm compiling pieces for my first "quality" sound system.

The Denon AVR-3312 is on it's way. House is pre-wired so I have all of the wall plates up except for the one for the subwoofer.

I am looking at the Dynamo 500 or 700 (to go with Motion 6 or 8 (not sure yet) and the Motion 4s on their way as well).

The connection looks like an RCA plug. But the house is wired with the 2 coax cables for the sub. WHAT IS THE BEST PLAN FOR ATTACK???


Sidenote, is this "RCA" the same as any other RCA connection? I have seen this simple converter, would this work better/worse than anything else?

Sidenote 2, Motion 6 or 8?
Sidenote 3, Dynamo 500 or 700?

Thanks for any and all help.

Sorry if this post is in the wrong area.
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post #2 of 20 Old 06-20-2012, 11:50 AM
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Quote:
Originally Posted by ryebrd12 View Post

First post, so bear with me.
I'm compiling pieces for my first "quality" sound system.
The Denon AVR-3312 is on it's way. House is pre-wired so I have all of the wall plates up except for the one for the subwoofer.
I am looking at the Dynamo 500 or 700 (to go with Motion 6 or 8 (not sure yet) and the Motion 4s on their way as well).
The connection looks like an RCA plug. But the house is wired with the 2 coax cables for the sub. WHAT IS THE BEST PLAN FOR ATTACK???

Sidenote, is this "RCA" the same as any other RCA connection? I have seen this simple converter, would this work better/worse than anything else?
Sidenote 2, Motion 6 or 8?
Sidenote 3, Dynamo 500 or 700?
Thanks for any and all help.
Sorry if this post is in the wrong area.

If I understood you correctly, you can use an inexpensive Coax to RCA adaptor without a problem.

Martin Logan subwoofers aren't known for great performance. Think about something Internet Direct. Look at the SVS SB12 NSD for excellent performance both with music and home theater.

http://www.svsound.com/view-all?page=shop.product_details&flypage=flypage.tpl&product_id=11
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post #3 of 20 Old 06-20-2012, 12:44 PM
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Quote:
Originally Posted by spyboy View Post

Think about something Internet Direct. Look at the SVS SB12 NSD for excellent performance both with music and home theater.
http://www.svsound.com/view-all?page=shop.product_details&flypage=flypage.tpl&product_id=11

+1

No need to match the brand of your sub to your speakers, and the SVS subs are a much better value for the money than Martin Logan. Other good ID sub manufacturers are HSU, Outlaw Audio, and Epik.

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post #4 of 20 Old 06-20-2012, 01:14 PM - Thread Starter
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Awesome. Thanks for the feedback.

I was actually looking at a Deftech Pro 1000 initially, but test drove the ML and couldn't chose one over the other.

So I can just get a couple of those Coax to RCA adapters and slip them into the back side of a RCA wall bracket?

I did a little research and like what I saw with HSU. Maybe I'll fish around there some more too.
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post #5 of 20 Old 06-20-2012, 08:47 PM
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Definitely check out the HSU subs. DefTech subs are also overpriced for what you get unless you get significantly off MSRP. That, and they overestimate the low end frequency response.

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post #6 of 20 Old 06-20-2012, 09:12 PM
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Without knowing your room size, I would go for the big bad boy HSU VTF15H if size is not a factor. With this sub, you will not need to upgrade and upgrade again.
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post #7 of 20 Old 06-21-2012, 08:31 AM - Thread Starter
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ok, so I ordered a keystone plate and a couple inserts for conversion of coax to rca. what a PITA. you would think there would be enough people out there with my issue. (maybe i just didn't find the right product).

i am pretty much settled on HSU VTF-1 or 2. Not sure yet. Room is somewhat large and open. 16x19 by 19 high.

think i will notice the difference between the 1 and 2?
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post #8 of 20 Old 06-21-2012, 08:58 AM
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For your room that is over 5700'^3 and open, i am afraid both the vtf1 or 2 will not be a good choice. Even with one Vtf15h, it will be hard to fill that room.
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post #9 of 20 Old 06-21-2012, 09:29 AM - Thread Starter
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ouch...wasn't planning on dropping $2k for subs.

maybe i can start with a vtf-2 and then toss it up into the game room later this year when i can afford the 15h's.
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post #10 of 20 Old 06-21-2012, 09:42 AM
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Quote:
Originally Posted by ryebrd12 View Post

ouch...wasn't planning on dropping $2k for subs.
maybe i can start with a vtf-2 and then toss it up into the game room later this year when i can afford the 15h's.

Or wait a few weeks and see if Outlaw Audio puts the LFM-1 EX on sale for $600 shipped again. Similar to the output of the HSU VTF-3 MK4.

Here is a review: http://www.audioholics.com/reviews/speakers/subwoofers/lfm-1-ex-review

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post #11 of 20 Old 06-21-2012, 09:52 AM - Thread Starter
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LFM-1 EX looks like a pretty nice alternative. plot thickens...
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post #12 of 20 Old 06-21-2012, 10:32 AM
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Quote:
Originally Posted by ryebrd12 View Post

LFM-1 EX looks like a pretty nice alternative. plot thickens...

If you stick to a mid-priced sub for now, think about nearfield placement. That means within 4 feet of the listening position. That way a smaller and less expensive subwoofer doesn't have to try to presssurize your entire space. smile.gif

Something like the SVS PB-12 NSD would do nicely with nearfield placement.
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post #13 of 20 Old 06-22-2012, 01:16 PM - Thread Starter
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ok, so based on feedback and after speaking with HSU wizards, I'm going with dual HSU FTV-3 MK4's. I figure this way if I get the FTV-3 and feel like its not enough for the room I can order the H15s and put the FTV-S in my game room and or gym.

sound like a decent plan?

should be able to do the coax / rca conversion as soon as the goodies arrive. any noticeable loss in quality by doing these conversions?

something else I noticed, the room was pre-wired internally when i bought the house. after starting on the wall plates I noticed the ware is pretty damn thin (not sure which AWG). I got some 12 gage for the "wall to speaker" runs but those are super short and probably dont need it anyway. is this crappy looking thin wire going to mean that I am wasting a small fortune on nice speakers, amp, and woofers???

thanks!
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post #14 of 20 Old 06-22-2012, 06:27 PM
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Dual VTF3/4's would be awesome in your space. The 15h's have a little more output but one won't put out more output than dual VTF3/4's unless you run them
sealed. The 15h will have more depth, but the VTF3/4's can go down to about 19Hz at a high output. Depends A LOT on placement.
Duals even out the bass.

16 ga wire should be enough for your wire size. The only way (that I know) is to strip 1/2" on one end of the wire and measure the size with dial calipers.
Be sure to rotate the stripped wire into a round shape using your thumb and index finger. If you don't have calipers, they are pretty cheap (at least the
plastic ones). The chart at the below link will tell you what AWG it is.....or an easier way is to get your hands on a piece of 16 ga wire and compare it with the
wire coming out of the wall. Congrats on your sub purchace.

http://www.reade.com/Conversion/wire_gauge.html

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post #15 of 20 Old 06-23-2012, 05:18 AM
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That'll be an awesome setup. I was just watching The Grey last night in my living room, part of 6,000 ft3 open floor plan, and the sub response of my LFM-1 EX (similar in class to the VTF3.4) added so much to the movie. Your going to love having two of those VTF-3.4s smile.gif

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post #16 of 20 Old 07-02-2012, 10:00 AM
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Don't know if you pulled the trigger on all of this, but I just bought a Motion 8 center. Very bright sound. I think you'll want to go with a Motion 8 - there's just too much space between the low-frequency cutoff of a Motion 6 and where you'd want your crossover to be.

Waiting for a HSU STF-2 to go with my Motion 4/Motion 8 fronts (keeping some MLT-2 surrounds for now - maybe will replace them in the future). It'll be interesting to hear how much things change between that and the current MLT-2 subwoofer that I'm using while I'm waiting to receive the STF-2.
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post #17 of 20 Old 07-02-2012, 12:54 PM - Thread Starter
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funny you mention it, but for some unknown reason I did go with the Motion 8. Did some more reading and it appears as though that's one of the most important speakers for dialogue. my uses will heavily revolve around movies/tv so I went for it. one thing I could not find, what was the difference between the Motion C and the Motion 8???

with everything all set up, less any fine tuning, it is AMAZING

at first I was a bit unimpressed, but I think that's because of all the anticipation. then a couple of friends told me it sounded like they were in a movie theater and that it was the best they ever heard.

i'll go with their opinions biggrin.gif
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post #18 of 20 Old 09-05-2012, 02:17 PM - Thread Starter
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so things are still coming along.

changed a couple things here and there (upgrades primarily).

question...it doesnt seem like the Martin Logans are directed towards the viewing positions so I think I am losing a lot of what I paid for. is there another way to mount so that you can aim the speakers towards the seats???

just scored the aw6500s for $200/ea for the yard. woot!
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post #19 of 20 Old 09-24-2012, 10:57 PM
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Nice to hear. I have 2 Martin Logan 12s and 4 ML 10 and a Motion C center channel. Also have 2 Dynamo 500s. Getting receiver tommorow and will have it all hooked up this weekend.
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post #20 of 20 Old 09-25-2012, 08:56 AM - Thread Starter
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bet it will sound incredible. enjoy!
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