Want to add speakers to conference room. Maybe More! - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 11-04-2016, 01:42 PM - Thread Starter
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Want to add speakers to conference room. Maybe More!

Hi all,

I hope this is the correct forum to post in.

We have a conference that holds about 30 people sitting. (We use it for company meetings).

When it was built we had an drop down screen installed and projector in the ceiling. THere is HDMI above the projector that connects to a floor HDMI port that can allow us to connect a laptop when an employee or owner wants to give a presentation. It's been working well, but the owner did a presentation today and wanted sound. He had some bluetooth speakers that failed 1/2 through and me as the tech guy got a nasty stare. :-)

So I want to add wired speakers and need some help deciding. The projector has a 3.5mm audio out.

I was looking around for a small receiver that I could put in the ceiling and then I figured the floor HDMI could go to the ceiling receiver which would connect to the projector and also out to about 4 speakers in the ceiling (which is a drop ceiling).

Now the "and more" is that we have 2 70" lcd TV's on either side of room and after building out this space almost a year ago we've never used these. I've been thinking about how to incorporate them. If I did a receiver, could I have the same content displayed on all 3? Could I have independent sources on each (would I want to do that even?)

I've even thought about putting a raspberry pi on each or Intel NUC with their conferencing software which someone told me was easy to use. I'm hesitant on using wireless because of reliability but I know it looks prettier.

I'm all over the place here, I need some help here to focus on what to upgrade.

So again, what's the best method for adding wired speakers and how/should incorporate the side TV's?

Thanks!
Steve
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post #2 of 13 Old 11-05-2016, 08:52 AM
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As long as computers are your source, your best bet for audio is using the computer’s headphone output, and sending the cable to a remote amplifier. I doubt building codes will allow it to be installed above the ceiling, so you’d have to run the speaker wires and drop them in the wall where the amp is located (assuming you want a clean look and don’t want speaker wire draped down the wall from the ceiling grid). If the air space above the suspended ceiling is a plenum, you’ll be required to use plenum-rated speaker wire.

If you want to utilize multiple screens, and especially different sources for them, you’re now in the realm of commercial A/V and should contact a company specializing in such. It won’t be cheap.

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post #3 of 13 Old 01-23-2017, 01:35 PM - Thread Starter
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Hi again,

Sorry to leave this absent for so long. I spent a lot of time unable to make any decisions and finally decided to contact a professional. They came back with a quote that seems reasonable for what we need, but it's a bit above what we wanted to spend. It's at $3500 and we wanted around $2000. Here are some items I thought we might be able to bring the cost down on and wanted some input. (Although I don't want to be rude in my nit-picking, but more on that later)

A quick summary of what we decided was to have an HDMI come from 1 TV on each side of the room and from the projector to a 3 HDMI panel on the back wall and speakers in the drop ceiling that will connect to the same wall plate with a 3.5mm connection. Then the user presenting would just plug their PC into what they wanted to show on. 99% of the time the projector would be used, but if they wanted to utilize all 3 displays there will be a 1X4 splitter available.

So here are the question items.

4 x Revel C283 speakers at $225 each. He suggested 1 in each quad of the room, but I'm wondering if we could just do 2, off-center in the room.

1 x Integra DTM 40.7 Receiver at $600. This also looks very nice, but seems a bit overkill for what I understand is audio only. Is there a more entry level receiver for half the cost? Like Sony, Yamaha, or Denon?

3 x Binary 50ft HDMI at $190 each. I searched around these forums and it seems like any "active" HDMI cable would do for 1/3 the price.

4 x 3ft HDMI at $36 each. Same as above, but am I being too cheap?

Anyway, if I were to make those changes we could save about $1000. Again, are these type of changes rude to ask? I assume the company will still make some money from the install (they wouldn't do it if they didn't I guess!)

Thanks!
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post #4 of 13 Old 01-23-2017, 04:25 PM
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We can all look at those prices and say they are out of whack, but their install mark up is included in those prices. When they put it down $36 for a HDMI cable it's rediculous. I'm not sure if a Binary HDMI cable is needed, but it may be. The speakers cost about 100-125 each.
I like it when a contractor breaks it down with parts and labor seperate. If the guy is there all day doing an instal, there will probably be $700-1000 in labor, that he has to pad the price of the products listed above.

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post #5 of 13 Old 01-24-2017, 01:16 AM
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Quote:
Originally Posted by shosterman View Post

Anyway, if I were to make those changes we could save about $1000. Again, are these type of changes rude to ask? I assume the company will still make some money from the install (they wouldn't do it if they didn't I guess!)

Thanks!
You're the customer. No reason you can't ask, "what can we do to get the cost down to $2000?" Definitely ask why Binary HDMI cables are required vs. standard HDMI cables which cost much less. Do you need a "networking" model? If not, there are lower level 5.1 AVRs (eg. Denon S510BT) which would likely suffice. Installing 4 speakers would allow for lower level volume to reach more people. Also, get at least 2 more bids from other companies.
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post #6 of 13 Old 01-24-2017, 08:27 AM
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holy smack!

this is the most expensive hdmi cable I have ever heard of

http://store.wireworldcable.com/coll...iant=943796979

50 feet - $8000

I was looking up active cable pricing and found this

Audyssey is a great start, but not always a great finish.
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post #7 of 13 Old 01-24-2017, 10:57 AM - Thread Starter
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Ok, I will ask about bringing the cost down. I have social anxiety which makes interacting difficult sometimes...that's why it also took me 2 months to revive this thread. :-)

Most of the other items seemed reasonable and labor is about $700 for 8 hours.

I'm all for a little markup in the items, that's understandable. I'll ask about the receiver and the cables and see what happens. I guess the worst that could happen is they say no!

Thank you again everyone.
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post #8 of 13 Old 01-24-2017, 11:05 AM
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Quote:
Originally Posted by littlefoott View Post
holy smack!

this is the most expensive hdmi cable I have ever heard of

http://store.wireworldcable.com/coll...iant=943796979

50 feet - $8000

I was looking up active cable pricing and found this

I usually shop monoprice.com for cables ex. https://www.monoprice.com/product?p_id=12735

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post #9 of 13 Old 01-24-2017, 11:35 AM
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yeah I was looking at the luxe series but I don't know the commercial rating the op needs

the redmere ones can't do 4k as they are older format
redmere was the initial developer of the active hdmi but they were acquired by Spectra 7
monoprice was an early adopter from redmere

I like monoprice

Audyssey is a great start, but not always a great finish.
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post #10 of 13 Old 01-24-2017, 12:39 PM
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Quote:
Originally Posted by littlefoott View Post
yeah I was looking at the luxe series but I don't know the commercial rating the op needs

the redmere ones can't do 4k as they are older format
redmere was the initial developer of the active hdmi but they were acquired by Spectra 7
monoprice was an early adopter from redmere

I like monoprice

It says [email protected] and ethernet. Is this not 4k? I have not went to 4k yet so I am asking as it is misleading if it can't

Marantz SR6010 -- Marantz MM7025 -- Marantz UD5007
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post #11 of 13 Old 01-24-2017, 01:38 PM
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Quote:
Originally Posted by dmb12679 View Post
It says [email protected] and ethernet. Is this not 4k? I have not went to 4k yet so I am asking as it is misleading if it can't
the difference appears to he mostly hdr and audio
Deep Color up to 16-bits per channel (48-bits total), including x.v.Color™

https://www.monoprice.com/product?p_id=13757

for the op conference aplication
both would be exceptional

Audyssey is a great start, but not always a great finish.
Receiver:Marantz SR-7012, Speakers:Def Tech ST-8060 towers, CS-8040 center, SR-8040 surrounds, Pro Monitor 1000 heights
Subwoofer: SVS PB-2000
TV: 65" LG UG8700 remote: Harmony 1000
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post #12 of 13 Old 01-24-2017, 01:45 PM
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Quote:
Originally Posted by littlefoott View Post
the difference appears to he mostly hdr and audio
Deep Color up to 16-bits per channel (48-bits total), including x.v.Color™

https://www.monoprice.com/product?p_id=13757

for the op conference aplication
both would be exceptional

Looking at the 8 icons under features they are the same logos/badges for both linked.


I remember someone posting on here look for a certain certifiaction badge that neither of these have. I can't remember what it says, but I remeber what it looks like andneither have it.


SOrry this probably for another thread

Marantz SR6010 -- Marantz MM7025 -- Marantz UD5007
Klipsch RF-7ii's - RC-64ii - RB-51ii's - RS-42ii's - R-112sw(x2)

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post #13 of 13 Old 01-25-2017, 09:19 AM
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looks like i stand corrected
they must have updated the cable since june

I got my info here
http://hometheaterreview.com/are-act...right-for-you/

"f you explore the active HDMI offerings that are currently available on Monoprice's website, you'll see that Redmere-branded cables are still available. These are older, legacy cables, many of which support a 10.2-Gbps bandwidth to pass 4K/30 at a distance of up to 100 feet. Newer active cables like the Luxe Series CL3 cable that I purchased use a newer Spectra7 chipset that supports the full 18-Gbps bandwidth needed for 4K/60, 16-bit color, and 4:4:4 subsampling"

Audyssey is a great start, but not always a great finish.
Receiver:Marantz SR-7012, Speakers:Def Tech ST-8060 towers, CS-8040 center, SR-8040 surrounds, Pro Monitor 1000 heights
Subwoofer: SVS PB-2000
TV: 65" LG UG8700 remote: Harmony 1000
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