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Thread: JBL Synthesis - Something BIG is on its way...

  1. #166
    Senior Señor boputnam's Avatar
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    All...

    Keep the thread going, but please parse the room design, construction and treatment discussion to the sister thread: JBL Synthesis - Room Design and Treatment.

    Keep this one fresh for Doug's (or other's) reports on the system, and impressions once it get's installed and performing.


  2. #167
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    Synthesis® Calibration Event

    Bo, I've just volunteered you to help me create this unique opportunity:

    http://audioheritage.org/vbulletin/s...329#post252329

    Thanks in advance.
    Out.

  3. #168
    Senior Member BMWCCA's Avatar
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    Quote Originally Posted by Titanium Dome View Post
    I've driven the car just once, and I have to say it handles and drives just fine. I was impressed with its stability. However, the little four-cylinder turbo in my TC is actually more aggressive. I suppose if I drove the Crossfire without her in the car I'd push it harder.
    Most likely an impression from differing NVH (Noise, Vibration, and Harshness) values. Interesting cars, both of them, but noisier, rougher running cars give the impression of more speed, otherwise the fart-can exhausts so popular today wouldn't have such an (infantile) audience. If yours is the 4-cylinder turbo, then it's the K-car engine—with nice Cosworth heads if you're lucky enough to have the manual-transmission version—and bits and pieces selected just for the TC project, but it's still a Chrysler K-car 4-cylinder engine the basics of which are now thirty-year-old technology. Actual power output on yours will, IIRC, depend on whether it had a manual or automatic transmission. The Crossfire is a living legacy of the Daimler takeover of Chrysler and one of the better examples of the transfer of Mercedes technology to a Chrysler-badged product. Even if the TC and the Crossfire have comparable hp and torque specs, the older, rougher car can still feel "quicker" but that's like saying an L100 sounds "better" than an L112.

    For your GF, you might see if anyone makes on of those air-deflector screens for your TC like what is integrated into the Crossfire and most modern convertibles. Women, especially, prefer the still-air cabin environment these produce.
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

  4. #169
    Mike Ronesia
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    Quote Originally Posted by BMWCCA View Post
    For your GF, you might see if anyone makes on of those air-deflector screens for your TC like what is integrated into the Crossfire and most modern convertibles. Women, especially, prefer the still-air cabin environment these produce.
    That makes it too much like a sunroof. What's the point of a convertible if you don't feel the air move?

  5. #170
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    Quote Originally Posted by 80skid
    Glad to see you're still making steady progress.

    It's not surprising to hear to about Chris' suggestion for the bass. Since it's not currently practical for you to isolate the listening room from the gym area, the bass would leak out anyway. And since the system is intended to fill a much bigger space with bass to begin with, that's a practical approach.

    Have you thought about breaking in the speakers prior to installation? If not, I would strongly urge you to do it. The initial hours of speaker operation typically see a significant improvement in sound quality.

    Otherwise you could possibly end up with a brighter character to the system than you would like during the initial auditions and this could affect calibration, as well.

    Since you have so many amps and speakers to break-in it will probably make life easier to do just 1 amp and 2 speakers at a time. (I usually play white noise for 24-48 hours at a medium volume.) If you reverse the polarity on the speakers and put them face to face, that reduces the amount of sound being transmitted into the room (and reduces the chances of you hearing the white noise from another room). Although, this may not help when doing the surround speakers (because of their dipole design), but it it will for the fronts.
    Once the room is finished, I'll schedule the calibration. Chris will have control over the final install, including what gets wired where.

    Prior to his arrival, I will unbox everything and give it an integrity test. This will include some pre-conditioning using the venerable and trusted Soundcraftsmen AS2000.
    Out.

  6. #171
    JBL 4645
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    Why this thread is beginning to be bit like watching Shuttle launch in pre-tests before lunching.



    Synthesis 1 flight controllers listen up. Give me go, no go for launch.

    LCR.
    Go!
    Sub bass.
    Go!
    Amps.
    Go!
    EQ.
    Go!
    Surrounds
    Go!
    Acoustics
    Go!

    Lunch control this Dome control we’re go for lunch.

  7. #172
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    Quote Originally Posted by JBL 4645 View Post
    Why this thread is beginning to be bit like watching Shuttle launch in pre-tests before lunching.



    Synthesis 1 flight controllers listen up. Give me go, no go for launch.

    LCR.
    Go!
    Sub bass.
    Go!
    Amps.
    Go!
    EQ.
    Go!
    Surrounds
    Go!
    Acoustics
    Go!

    Lunch control this Dome control we’re go for lunch.
    That looks more like an Apollo launch, Ash...

    Allan.

  8. #173
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    I will write this: setting up a Synthesis® system is not your typical open the box, wire it up, and fire it up procedure.

    One could just open the boxes and hook stuff up in a room, and it would work. it just wouldn't work the way it was intended. It might even sound pretty darn good.

    This is one of those serious efforts that I just want to do as right as possible.

    I've never put this much effort into a room, but the system will pay me back if I do. I've never been crawling around under the house to pull two matched 20 Amp circuits through to a room that already has plenty of plugs in it, but the system will reward me. I've never used expensive, four strand wire for biamping all channels, but the SDEC4000 and all those amp channels are there for a reason. All the exact measurements, acoustic panels, diffusers, paint, lights, holy crap!

    It's hard as hell to keep all that gear in the boxes, but I'm determined to make a best effort here and not pull it out 'til there's a space worthy of the equipment and an infrastructure worthy of it as well.

    The launch is closer. I can feel it. Not much longer now. T minus three minutes and holding.
    Out.

  9. #174
    JBL 4645
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    Quote Originally Posted by Allanvh5150 View Post
    That looks more like an Apollo launch, Ash...

    Allan.
    Well Al, I, think the Dome, is just a few weeks, from officially launching his home cinema.

    I recommended
    Apollo 13
    The Dream is Alive

    To lunch the JBL Synthesis into orbit.

  10. #175
    JBL 4645
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    Quote Originally Posted by Titanium Dome View Post

    It's hard as hell to keep all that gear in the boxes, but I'm determined to make a best effort here and not pull it out 'til there's a space worthy of the equipment and an infrastructure worthy of it as well.

    The launch is closer. I can feel it. Not much longer now. T minus three minutes and holding.
    I would have had it opened the moment I had it in my possession. LOL Why hold off Dome, get it out of the boxes mate and set it up.


    Found this video last you might find it exciting

    JBL Synthesis shows a 27 seat cinema room featuring the new JBL Everest speakers (IFA 2007)
    http://uk.cinenow.com/videos/896-jbl-synthesis-shows-27-seat-cinema-room-featuring-new-jbl-everest-speakers-ifa-2007

  11. #176
    80sKid
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    That's an interesting video. I wonder if that room is permanent or is was constructed temporarily just for that event. They didn't make it clear.

    It's too bad we weren't given a glimpse of the equipment room.

  12. #177
    JBL 4645
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    Quote Originally Posted by 80sKid View Post
    That's an interesting video. I wonder if that room is permanent or is was constructed temporarily just for that event. They didn't make it clear.

    It's too bad we weren't given a glimpse of the equipment room.
    Yeah that sucks doesn’t it I mean they had plenty of time, to get off there asses and walk around the room, it wasn’t as if they where watching anything.

    I think it was made up for the show exhibition it would be nice as permanent room.


  13. #178
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    Equipment ready to come out?

    It looks like Chris is ready to guide me through the equipment maze, maybe this weekend. If I'm lucky, I'll be laboring all of Sunday assisting with installing those d@#n big-a$$ed amps in the racks. I mean, really, how can one man hold a friggin' 90 lb. amp and thread the mounting bolts at the same time?

    Then he'll connect all the cabling and we'll wire up the speakers. I'll be watching and learning, hopefully without annoying him too much.

    After that, he'll make arrangements with JBL/Harman to get the calibration equipment and we'll set the date for that.
    Out.

  14. #179
    Senior Member MikeBrewster77's Avatar
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    Quote Originally Posted by Titanium Dome View Post
    ... how can one man hold a friggin' 90 lb. amp and thread the mounting bolts at the same time?
    Extremely carefully!

  15. #180
    JBL 4645
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    Quote Originally Posted by Titanium Dome View Post
    It looks like Chris is ready to guide me through the equipment maze, maybe this weekend. If I'm lucky, I'll be laboring all of Sunday assisting with installing those d@#n big-a$$ed amps in the racks. I mean, really, how can one man hold a friggin' 90 lb. amp and thread the mounting bolts at the same time?

    Then he'll connect all the cabling and we'll wire up the speakers. I'll be watching and learning, hopefully without annoying him too much.

    After that, he'll make arrangements with JBL/Harman to get the calibration equipment and we'll set the date for that.
    T-3 days and counting this is mission Dome control.

    Load the first one on the lower level then mounting the second and third should be easy for one person.

    Well good luck this Sunday Dome, and make sure you’ve got plenty of refreshment to keep him, happy even if it’s orange juice.

    Heave Dome! Heave!


    Damn good film, damn good film, classic!

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