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Forum: Dedicated Theater Design & Construction   04-26-2017, 01:05 AM
Replies: 199
Views: 175,951
Posted By just jim
Using your numbers: If E1 was 36" with a 13"...

Using your numbers:
If E1 was 36" with a 13" riser, then E2 would be 49". Yes, 47" to the the ceiling from your eyes/ears, 6' 11" from the riser to the ceiling when standing. This is why you...
Forum: Dedicated Theater Design & Construction   03-27-2017, 07:18 AM
Replies: 1,911
Views: 163,034
Posted By just jim
"We started with the back piece. And in case you...

"We started with the back piece. And in case you are wondering, we had completely filled the dust collection system to this point. It takes about 30 minutes to change out the heavy bag and put on...
Forum: Audio Theory, Setup, and Chat   03-07-2017, 07:04 PM
Replies: 184
Views: 9,454
Posted By just jim
[QUOTE=bweissman;51321697]You must be a...

[QUOTE=bweissman;51321697]You must be a youngster. Have you forgotten "Quadraphonic" and "Quadrisonic" (sp?) and "SQ" and "QS" and "CD-4"? These were real, marketed, 4-channel systems in the early...
Forum: Audio Theory, Setup, and Chat   03-07-2017, 06:51 PM
Replies: 184
Views: 9,454
Posted By just jim
Hi Bob Sometimes dragging your feet pays off. ...

Hi Bob
Sometimes dragging your feet pays off. I have a concrete bunker that I built to be my theater. It is 16'w x 27'd x 11'h at the screen end, stepping up 2' about 8' from the back to give 9'h...
Forum: Dedicated Theater Design & Construction   03-03-2017, 11:06 PM
Replies: 1,911
Views: 163,034
Posted By just jim
With the earth moving bass, are you concerned...

With the earth moving bass, are you concerned that concrete floors are great for transmitting sound? Certainly higher frequency sounds like a dropped hard object. I don't know what the low end cut...
Forum: Dedicated Theater Design & Construction   02-21-2017, 05:01 AM
Replies: 738
Views: 48,163
Posted By just jim
...so, radiant base trap heating then? :)

...so, radiant base trap heating then? :)
Forum: Dedicated Theater Design & Construction   02-21-2017, 03:47 AM
Replies: 738
Views: 48,163
Posted By just jim
If you simply took up the floor, you could...

If you simply took up the floor, you could install radiant floor heating... :rolleyes:
Forum: Dedicated Theater Design & Construction   02-18-2017, 06:05 PM
Replies: 11
Views: 267
Posted By just jim
I was joking about moving, I had bigger...

I was joking about moving, I had bigger motivating factors to make me want to move.

So treating only the common wall will eliminate voice transmission only. It will do nothing for the noise...
Forum: Dedicated Theater Design & Construction   02-18-2017, 02:06 AM
Replies: 11
Views: 267
Posted By just jim
Dave, I understood what you were trying to say. ...

Dave, I understood what you were trying to say. You have to understand that the people who design and manufacture these materials probably never venture outside of the lab and therefore may not have...
Forum: Dedicated Theater Design & Construction   02-17-2017, 12:07 AM
Replies: 738
Views: 48,163
Posted By just jim
http://www.nattlorden.com/images/hifi/CinemaGrande...

http://www.nattlorden.com/images/hifi/CinemaGrande/lmnt_small.jpg


My first reaction was, you've still got green grass?...then I realized. :)

I think I'm having the same problem with my...
Forum: Dedicated Theater Design & Construction   02-16-2017, 04:35 PM
Replies: 11
Views: 267
Posted By just jim
I haven't seen their sealant, so I have just read...

I haven't seen their sealant, so I have just read their spec sheet. I don't like the fact that they say it "dries" in minutes and "it resists drying out or cracking with age". "Clean up is simple...
Forum: Dedicated Theater Design & Construction   02-16-2017, 10:05 AM
Replies: 11
Views: 267
Posted By just jim
So moving is out of the question? I used to...

So moving is out of the question?

I used to live in an 8 unit townhouse/condo. The floors were contiguous slabs for each floor as is yours and masonry dividing walls, similar problem to your clay...
Forum: Audio Theory, Setup, and Chat   02-02-2017, 06:42 PM
Replies: 2
Views: 65
Posted By just jim
I can only tell you what I have done. My 40...

I can only tell you what I have done.

My 40 year old (read "no automation") Receiver has 3 speaker outs, each with a on/off button on the front panel. 1 is run to the living room floor speakers....
Forum: Audio Theory, Setup, and Chat   02-02-2017, 06:13 PM
Replies: 6
Views: 146
Posted By just jim
It sounds like you have the same set-up that I...

It sounds like you have the same set-up that I started with. I had just switched from a direct feed from a CD player to reciever. My wife walked in and asked, "What crap is this?" It really was, I...
Forum: Dedicated Theater Design & Construction   01-24-2017, 10:44 AM
Replies: 1,911
Views: 163,034
Posted By just jim
I was thinking that 16' is a h@ll of a span, so I...

I was thinking that 16' is a h@ll of a span, so I looked at our Ontario Building Code for joist spans. The max for a 2x10 joist @16 OC is 14' 0", and that is with two rows of bridging and strapping...
Forum: Dedicated Theater Design & Construction   01-16-2017, 01:18 AM
Replies: 1,911
Views: 163,034
Posted By just jim
My 2 cents [1.5 cents US]. I was going to suggest...

My 2 cents [1.5 cents US]. I was going to suggest burying line sets for future access for 2 split system heads, but that wouldn't help with ventilation. So. I'd suggest the 10" ducts even if you...
Forum: Subwoofers, Bass, and Transducers   01-01-2017, 08:19 PM
Replies: 10
Views: 195
Posted By just jim
I have a different issue connecting a PSB...

I have a different issue connecting a PSB subsonic 5i to a vintage (1972-ish) McIntosh Mac 4100.


The Mac has pre-out and amp-in RCA jacks which I was told to split with a y-connector to get L...
Forum: Dedicated Theater Design & Construction   11-28-2016, 08:31 AM
Replies: 1,022
Views: 111,647
Posted By just jim
You have been busy, my friend! Congrats! So...

You have been busy, my friend! Congrats!

So has the spousal unit sent you back to the Theater to keep you busy...:)
Forum: Dedicated Theater Design & Construction   10-24-2016, 11:55 PM
Replies: 1,022
Views: 111,647
Posted By just jim
Yes, I am getting back to work. Unfortunately...

Yes, I am getting back to work. Unfortunately the wrong time of year to be picking up sizeable contracts for the winter months. Bureaucracy moves at a snails pace. An addition has just got bumped...
Forum: Subwoofers, Bass, and Transducers   10-24-2016, 07:18 AM
Replies: 13
Views: 264
Posted By just jim
Are the two amps plugged into the same power...

Are the two amps plugged into the same power outlet? Sometimes when two outlets are used, one outlet is on one phase of the panel and the second is one the other (the two phases go together to give...
Forum: Headphones   10-23-2016, 12:59 PM
Replies: 9
Views: 314
Posted By just jim
Just came back from London England. I wore B + W...

Just came back from London England. I wore B + W corded H7's both ways. It was the first time screaming babies didn't bother me. You aren't supposed to wear over-ear headphone during the...
Forum: Dedicated Theater Design & Construction   10-22-2016, 11:35 PM
Replies: 1,022
Views: 111,647
Posted By just jim
...and my completion date just got set back...

...and my completion date just got set back another decade. But at least I didn't waste my money on that inferior 1100! :laugh:
Forum: Dedicated Theater Design & Construction   10-11-2016, 10:56 AM
Replies: 1,911
Views: 163,034
Posted By just jim
...so I wonder what kind of response you'd get by...

...so I wonder what kind of response you'd get by posting these kinky photos on line with the contractors name...have you shown your GC what kind of work his sub-trades do?

Nice job Tim! ...
Forum: Dedicated Theater Design & Construction   10-02-2016, 01:22 PM
Replies: 4
Views: 128
Posted By just jim
...without damaging the wires to get them in. A...

...without damaging the wires to get them in. A little wiggle room is always good.
Forum: DIY Speakers and Subs   10-02-2016, 01:13 PM
Replies: 27
Views: 939
Posted By just jim
In a 10 x 12 x 8' room? How about 2 - 15's? I...

In a 10 x 12 x 8' room? How about 2 - 15's? I had a temporary PSB 5.1 with 100w/channel set up in a similar size room (8 x 14 x 8) and everybody that heard the system was impressed with the sound,...
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