AXPONA 2019 -- Potentially Record Breaking 🍒 Surround System

jtwrace · « **Reply #20 on:** 10 Apr 2019, 02:34 pm »

Quote from: kingdeezie on 10 Apr 2019, 01:30 pm

A local chain movie theater just upgraded to a Dolby Atmos dedicated viewing room. I saw Shazam there last week.

Honestly, I thought it was horrible.

I've got to say if that's how you felt, it wasn't done very well. I heard a local guys full Atmos system when I lived in my previous state and nearly shit myself as I wasn't expecting what I heard. Since I went there to hear his JBL 4367's and wasn't blown away by them I wasn't expecting much until he turned on the full HT.

Needless to say I was shocked and it's still the best theater I've ever heard. A proper theater setup like he had blows away any other 5.4 or 7.4 system out there I'm sure.

Jeff Permanian · « **Reply #21 on:** 10 Apr 2019, 08:50 pm »

Quote from: kingdeezie on 9 Apr 2019, 03:17 pm

This example demonstrated will likely sound great, but it comes at a significant price. I am sure this system could also do well with 2-channel. However, everything is being pumped through 3000 dollar mains. If you are a speakers first thinker, there is great room for improvement.

I would put Noesis 212RT next to any speaker at any cost. The Noesis 212RT acts as a point source with a concentric and time aligned mid and high frequency coaxial loaded on the horn. They have extreme low distortion (0.30% at 100db THD). The 35hz lowend spec is free air and in room they easily go to 25hz.

Quote from: dB Cooper on 9 Apr 2019, 04:40 pm

My 1971 Dynaco amp manual comntained a statement I'll paraphrase thusly: Listening position is more critical with mutiple speakers/channels.

True then, true now, and gets truer the more speakers/channels you add.

While multichannel can improve spacial realism- for the one listener in the exact right spot- that effect falls apart fast as you get even a little distant from the 'sweet spot'. My old Allison speaks threw a stereo image that held up pretty well anywhere in the room.

I guess I wouldn't want to devote an entire room and a pile of money to a system I can only experience fully by myself. I have headphones for that listening at probably <1% of the cost. BTW, good true binaural through 'phones surpasses any multichannel speaker setup I've heard. Problem is, true binaural recordings are very rare. For music, I'd rather divide my speaker budget by 2 than by 7 and choose better speakers and a layout that allows some social listening. As with all things audio, you pays your money and you makes your choice. Clearly for a vendor, selling you 5-7 channels of amplification and speakers (rather thahn two) is better for them- but is it better for you.

The whole reason to go with modern multi-channel is to give everyone on the room a great listening experience. With 2 channel you need to be centered between the speakers to have a good center image however with modern multi-channel you have a center channel speaker that produces all the content that should be centered in the sound stage so everyone in the room hears the centered content directly for the center of the sound stage. We're going to be demo'ing the latest sound format called Atmos which is a 3d sound format:

https://www.dolby.com/us/en/brands/dolby-atmos.html

AmpDesigner333 · « **Reply #22 on:** 11 Apr 2019, 02:16 am »

Quote from: Jeff Permanian on 10 Apr 2019, 08:50 pm

I would put Noesis 212RT next to any speaker at any cost. The Noesis 212RT acts as a point source with a concentric and time aligned mid and high frequency coaxial loaded on the horn. They have extreme low distortion (0.30% at 100db THD). The 35hz lowend spec is free air and in room they easily go to 25hz.

The whole reason to go with modern multi-channel is to give everyone on the room a great listening experience. With 2 channel you need to be centered between the speakers to have a good center image however with modern multi-channel you have a center channel speaker that produces all the content that should be centered in the sound stage so everyone in the room hears the centered content directly for the center of the sound stage. We're going to be demo'ing the latest sound format called Atmos which is a 3d sound format:

https://www.dolby.com/us/en/brands/dolby-atmos.html

As I mentioned before, the lowest THD I’ve measured from any speaker to date was JTR!

AmpDesigner333 · « **Reply #23 on:** 12 Apr 2019, 03:52 am »

witchdoctor · « **Reply #24 on:** 12 Apr 2019, 12:18 pm »

First there were subs

Do I see 8 subs up front? "Let's get ready to rumble!"

OzarkTom · « **Reply #25 on:** 12 Apr 2019, 12:21 pm »

Make sure you wear your ear plugs.

AmpDesigner333 · « **Reply #26 on:** 12 Apr 2019, 01:12 pm »

Quote from: witchdoctor on 12 Apr 2019, 12:18 pm

First there were subs

Do I see 8 subs up front? "Let's get ready to rumble!"

Yes, 8 (:

AmpDesigner333 · « **Reply #27 on:** 12 Apr 2019, 01:12 pm »

Quote from: OzarkTom on 12 Apr 2019, 12:21 pm

Make sure you wear your ear plugs.

Will do. Thanks for reminding me.

AmpDesigner333 · « **Reply #28 on:** 12 Apr 2019, 01:16 pm »

witchdoctor · « **Reply #29 on:** 12 Apr 2019, 04:49 pm »

It is interesting that JTR also has a pro line. The only other setup I have seen with that many subs was in Abbey Road studios when they were remastering Pink Floyd in immersive audio. Thanks for the pics! Keep them coming

witchdoctor · « **Reply #30 on:** 12 Apr 2019, 04:52 pm »

Reminds me of this setup from the studio:

https://www.audioxpress.com/assets/upload/images/1/20170315184923_SennheiserPinkFloydabbeyroad03FrontWeb.jpg

G.Michael · « **Reply #31 on:** 12 Apr 2019, 06:48 pm »

Quote

The whole reason to go with modern multi-channel is to give everyone on the room a great listening experience.

Jeff: Good point than I tend to ignore. My listening/HT room is stereo with dual subwoofers. There's plenty of sound there, and a few acoustical treatments, but there's only one sweet spot. Sounds good--but not as good when more than one of us are watching a movie.

Those are some bad-boy speakers you have there on your website!