The Larch Theater (a not-a-19.6-system) - Page 21 - AVS Forum
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post #601 of 614 Old 09-06-2014, 01:19 PM - Thread Starter
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Kit - not Box.

But they for sure aren't very Swedish, it's more country music. But I do love they've chosen a path of their own.

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post #602 of 614 Old 09-06-2014, 01:33 PM
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I'm a Roxette fan myself, a great Swedish band from the late 80's,90's.
Is Magnus Samuelsson of worlds strongest man fame still big over there?
I heard he got into acting, and dancing with stars?
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post #603 of 614 Old 09-07-2014, 01:42 AM - Thread Starter
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Seen Roxette live too (as well as ABBA).

Roxette is active still, Marie had a brain tumor, but she's fortunately recovered and back on stage. So there may be a few albums sincethe 90:s you've missed. Per did a quite good solo album in the inbetween time too.

I know of him, but I'm not keeping up with the reality soaps and such - don't watch that much TV, so I can't really say.

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post #604 of 614 Old 09-08-2014, 01:32 AM - Thread Starter
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Found some nice trim to finish the side edges of the carpet with (as it was 3" short of the full room width), put one in yesterday and quite happy with the result.

Have closed the wall from the cinema to the machine room where the rack has it's niche, just a few bitumen pieces left to add - and then there's the compartment above and the back side of the hatch to complete. But I expect to try and push the rack in soonish and hope it will comply.

Have had too much bass output and it dawned on me why yesterday - I had done the calibration with a stereo signal (from my iPad's measurement app), but when playing music I also add the .1 channel, thus it will be too much. As I cannot create such a signal, I've had to go about it slightly different and a little more by feel. Got to the point yesterday that I no longer felt the bass was overdominating every time there was a burst, but still there prominently when in need (like the collapsing monument in 'Olympus has fallen').

I got much smaller fluctuations in the bass modes this time, I would think that closing up that hole in the back wall improved it's function by quite a lot. I may end up thinking of a way to (partially) block the entraceway as well, but there's no real space to build a door there, to be honest.

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post #605 of 614 Old 09-08-2014, 11:03 PM - Thread Starter
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Got the side trim on the carpet done, so that's ticked off now.

The bitumen is up - used up all I had now. The rack has been pushed back in (damn it's heavy!) and fortunately the Sonos is still able to communicate despite some of the soundproofing I put up had an aluminum backing.

So now I can get on the stepladder and fix above as well.

Also put some cable channels up to lead some power cables around the door, the cabling itself left to be done.

Some more stuff moved out, so now it's some hifi gear, a synth and two guitars, the vacuum cleaner and the temporary lights that are 'extras' in the room. Some of it's been hidden behind the drapes.

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post #606 of 614 Old 09-10-2014, 03:09 AM - Thread Starter
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Here's the trim to mask that the carpet (at standard width) was 3" less than the room:

(Carlsson OA52.2 speaker can be glimpsed behind curtain, planned for front-wide)

Electronics pushed back into place:


From top to bottom:
Sonos (streaming audio)
a cheap Panasonic DMP-BDT220EG BluRay (thin, black, hardly visible)
Pioneer DV-668AV-S (primarily for CDs as it's a magnificent CD-player, but possibly also running DVDs here)
Denon 2807 (receiver, used as prepro only)
Marantz MM-9000 (4 of 5 channels used for the surrounds)
Rotel 1090 (one channel used for the center)
Ino cr80es (small box on the diagonal - subwoofer/fronts control crossover and infrasonics boost)
NAD 208 (for the subwoofers, three for each channel)
Rotel 1090 (for the fronts)

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post #607 of 614 Old 09-15-2014, 02:27 AM - Thread Starter
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Measurements show a few room modes that still needs taming, will be trying an Anti-Mode 2.0 DualCore and see what it can do for me.

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post #608 of 614 Old 09-15-2014, 06:16 AM
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Primary axial modes? Or other?
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post #609 of 614 Old 09-15-2014, 06:26 AM - Thread Starter
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I'm not close to an expert on this, but I'd say other perhaps?

Response is nice up to 70 where there is a shallow dip, then it peaks around 100 to dip down around 120 and then it goes up again to dip yet again around 360.

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post #610 of 614 Old 09-15-2014, 06:37 AM
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70 is often the primary vertical mode (resonance between floor and ceiling). 100+ will definitely be "other."
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post #611 of 614 Old 09-15-2014, 06:49 AM - Thread Starter
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Ok, then that one isn't much of a worry, it's not that deep... the ceiling is diffusing to some degree and the floor is carpeted and the two different floor heights probably distribute it somewhat as well.

But since I don't intend on doing any significant acoustical rebuilds (besides a few I've planned but not gotten around to - moving to AT screen will definitely change the ball game later on) it's definitely going to be interesting to see what the Anti-Mode can do.

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post #612 of 614 Old Today, 12:04 AM - Thread Starter
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It definitely flattens things out. Biggest drawback of it - it really takes its time sweeping.

Another problem is finding out what the best setup of the controls in my filter is before running and which I should not use until antimode is done... several degrees of freedom...

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post #613 of 614 Old Today, 03:41 AM
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Hej Nightlord.

Got a link to your build thread from reading in the huge Atmos thread and got curious. Fast forward several hours later I have read the thread in its entirety. Since we're both computer science guys and are located in Sweden, will you pitch in and do the work I have postponed by reading your thread?

On a more serious note, what speakers are you using for your surrounds?
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post #614 of 614 Old Today, 04:19 AM - Thread Starter
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Hej!

Depends on what kind of work it is!

I'm using almost entirely the speakers from Ingvar Öhman - Ino Audio. (Apart from the front high and front wide (which aren't yet connected to anything yet) which are Carlsson)

The surrounds are Ino Audio ambiens2 (a2)


(not my picture, but one of the best I can find, paint job says that this is a DIY-kit (or repainted ones))

Price about $1000 each ( if you go DIY version (no woodworking needed, cabinet is pre-made) they're cheaper and you get discount when buying 6 or more ).

( Front speakers are i32s, center is i16s, subwoofers are InfraY-6. )

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carlsson , ino audio , nad 208 , rotel 1090

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