Official JTR speaker thread - Page 104 - AVS Forum
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post #3091 of 23374 Old 06-25-2011, 12:56 PM
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Free marketing slogan for Jeff:
The only user upgradeable commercial loudspeakers in the know universe ...

Actually and seriously, this is a very cool aspect of the JTR's. I have done mine twice and will probably upgrade the Slanted 8's at some point. As I have said (and has been refuted ) the upgrades improve the SQ but not by a large margin. Fun to do and nice to know you can though, ain't it ...

BTW, nice helping out there N8DOGG


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post #3092 of 23374 Old 06-25-2011, 04:36 PM
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Quote:
Originally Posted by RMK! View Post

Free marketing slogan for Jeff:
The only user upgradeable commercial loudspeakers in the know universe ...

I guess the Ascend Sierra NrT upgrade is out of this universe then

-Mike
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post #3093 of 23374 Old 06-25-2011, 04:58 PM
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I guess the Ascend Sierra NrT upgrade is out of this universe then

-Mike

Hey, I said Marketing Slogan (where inaccuracy is a given) ... but thanks for expanding my little Universe.


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post #3094 of 23374 Old 06-26-2011, 01:37 PM
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Ya, i did the upgrade pretty much just for fun to see. It was fairly easy with the pic Jeff sent me of the wired crossover. Only took about a hour to do both speakers. It WAS pretty cool to be able to do it though. Those cabs are extremely well built inside and out!

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post #3095 of 23374 Old 06-29-2011, 11:04 AM
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I hate asking again, but does anyone know if a 12db/octave highpass filter is enough for the 2010 triple 8ht's when crossed over at 80hz?

David Budo
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post #3096 of 23374 Old 06-29-2011, 12:01 PM
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Quote:
Originally Posted by Dbuudo07 View Post

I hate asking again, but does anyone know if a 12db/octave highpass filter is enough for the 2010 triple 8ht's when crossed over at 80hz?

You'll be just fine. I certainly wouldn't run out and get a new receiver or processor to get 24db/octave crossover. When Jeff was building mine he had one of my T8's done with 900 watts going through it and had the crossover completley off to give a listen and it was fine at high volume.
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post #3097 of 23374 Old 06-29-2011, 12:20 PM
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Thanks Tom. I really appreciate it. I just didn't want to send too much low frequency signal to them and cause damage.

David Budo
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post #3098 of 23374 Old 07-02-2011, 08:35 PM
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finally upgraded one of my 3 Quintuple 2010's today, took quite a while to get it done

i do hear some differences in a/b testing between new and old, i can't quite discern what the differences are at the moment, but i hope its good!. more testing is in order to hopefully figure this out.

spent some time to bang out all the wire harneses that i'll need for all 3 speakers, so the next 2 upgrades should go a lot more smoothly.
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post #3099 of 23374 Old 07-02-2011, 10:51 PM
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Seeking any thoughts or comments on moving from a Rocket 850/200 setup to a JTR T8 setup for the front 3. I am pretty much 100% HT and TV, not much music listening. I have done the no-rez and ninja elite upgrades to the 3 Rockets.

I don't particularly hate the Rockets, but the JTR's are something I keep coming back to and have been following for some time. Room is a non- dedicated large open floor plan, probably 6300^ft. Supporting subs are 2 Empires and 1 MFW Turbo, speakers powered by XPA5. With a little one at home, I don't get too many chances to really watch a movie, but I have recently been brave enough to crank that dial to 0 and give reference a try on some movies.

So welcome any thoughts or comments from folks, especially those that might have some experience with the Rockets.
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post #3100 of 23374 Old 07-05-2011, 07:58 PM
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The new sealed T8s are on the JTR website:

Specs:
25 1/2" wide, 9 5/8" tall, 7 1/2" deep
98db @ 1 watt (4 ohm, 2 volt, free space, 1 meter)
75hz-24khz (half space)
Up too 1200 watts recommended amplification

http://jtrspeakers.websitetoolbox.co...482&trail=15#1







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post #3101 of 23374 Old 07-05-2011, 08:32 PM
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Quote:
Originally Posted by paulmcj View Post

Seeking any thoughts or comments on moving from a Rocket 850/200 setup to a JTR T8 setup for the front 3. I am pretty much 100% HT and TV, not much music listening. I have done the no-rez and ninja elite upgrades to the 3 Rockets.

I don't particularly hate the Rockets, but the JTR's are something I keep coming back to and have been following for some time. Room is a non- dedicated large open floor plan, probably 6300^ft. Supporting subs are 2 Empires and 1 MFW Turbo, speakers powered by XPA5. With a little one at home, I don't get too many chances to really watch a movie, but I have recently been brave enough to crank that dial to 0 and give reference a try on some movies.

So welcome any thoughts or comments from folks, especially those that might have some experience with the Rockets.

I had the 760's and Bigfoot and replaced them with the Triple 8's. No Comparison for HT. They blow the Rockets out of the water. I have 300 Watts into each of them.
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post #3102 of 23374 Old 07-05-2011, 09:44 PM
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How's the seal version matched up with the standard T8?
I want to use the standard T8 for LR, and use the sealed one for center....
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post #3103 of 23374 Old 07-05-2011, 09:50 PM
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want to hear more about the sealed t8 too, its less then half the size of the standard one!
wonder if jeff can do something like a sealed q8, that would make awesome center
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post #3104 of 23374 Old 07-05-2011, 10:33 PM
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i was thinking the same thing about the q8. I honestly think it will probably not be needed from a spl standpoint but it sure would be a formidable looking center though. l
ooks like some new drivers for the bass drivers too. different surrounds than what ive seen

Blasting brown notes for 10 years and counting!

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post #3105 of 23374 Old 07-09-2011, 01:30 PM
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Jeff was saying on his forums that he hopes to start shipping out the new T8 LP middle of next week!! I for 1 can't wait to get mine!

Blasting brown notes for 10 years and counting!

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post #3106 of 23374 Old 07-09-2011, 08:25 PM
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Wow, finally got to watch an entire movie in my dedicated theater room, equipped with Triple8 HTs and Single8 HT-LPs. I also have 2 Submersives. Everything is running off an Anthem MRX 500. My wife and I chose Tron Legacy to kick things off, and it was insane even at -16 dB. The clarity of these speakers in my generically treated and ARCed room was truly unparalleled in my movie going experience, and the dynamics were awesome when coupled with such a great soundtrack. I can't wait to kick it up to reference when I don't have a sleeping kid upstairs. Jeff, fantastic product. Can't wait to listen to some tunes as well!
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post #3107 of 23374 Old 07-10-2011, 01:29 AM
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Quote:
Originally Posted by uscmatt99 View Post

Wow, finally got to watch an entire movie in my dedicated theater room, equipped with Triple8 HTs and Single8 HT-LPs. I also have 2 Submersives. Everything is running off an Anthem MRX 500. My wife and I chose Tron Legacy to kick things off, and it was insane even at -16 dB. The clarity of these speakers in my generically treated and ARCed room was truly unparalleled in my movie going experience, and the dynamics were awesome when coupled with such a great soundtrack. I can't wait to kick it up to reference when I don't have a sleeping kid upstairs. Jeff, fantastic product. Can't wait to listen to some tunes as well!

I envy you! My next upgrade will definitely be T8 HT... I got an Orbit shifter (from SVS PC12) and I haven't been happier since. I wish I have space to get 2 to smooth out other seat locations...but I really don't have any more space...
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post #3108 of 23374 Old 07-10-2011, 08:25 AM
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It think I like the look of the metal spk grills for my Triple 12s better than the cloth covers I have now.Does anyone know if Jtr sells the metal ones that snap on or should I look elswhere?
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post #3109 of 23374 Old 07-10-2011, 08:37 AM
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Originally Posted by dholmes54 View Post

It think I like the look of the metal spk grills for my Triple 12s better than the cloth covers I have now.Does anyone know if Jtr sells the metal ones that snap on or should I look elswhere?

The Triple 12 pros have steel grills. You should contact Jeff to see if they would work with your speakers.

"Trying is the first step towards failure" - Homer Simpson

 

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post #3110 of 23374 Old 07-10-2011, 09:14 AM
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Thanks,I was wanting the round grills that go on each driver,the simple ones that just snap on that jtr had on the 888s awhile back.
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post #3111 of 23374 Old 07-13-2011, 05:09 PM
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I just got my tracking number for the T8 Sealed! should be here Friday!

Blasting brown notes for 10 years and counting!

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post #3112 of 23374 Old 07-13-2011, 05:23 PM
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Quote:
Originally Posted by N8DOGG View Post

I just got my tracking number for the T8 Sealed! should be here Friday!

Looking forward to hearing about it and seeing some pics in your space
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post #3113 of 23374 Old 07-14-2011, 03:17 AM
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Whatsup guys,

I need some opinions from you experienced JTR users.
I just read this thread through fully but am till unsure.

I have more or less decided to purchase a set of JTR's for my home theatre.
However I am undecided about what would best suit my room.

I have a home theatre room that measures 21.3' x 13.8' with a 9.8' high ceiling. The screen is on the short side and the Listening Position is 16.4' from the front wall.
At present I have no acoustic treatment in the room but have heavy curtains across much of the walls. I plan on creating some DIY superchunk traps for 2 corners at least and I may sneak a few more panels on first reflection points and on the front wall if I can.

The room is sealed but is very leaky due to all the windows and big doors.

See below:







I am tossing up between the following:
A) T12 LCR + T8 surround sides = RRP $6700 + $1500 shipping
B) T8 LCR + T8 surround sides = RRP $5500 + $980 shipping
C) T12 LCR + Slant8 surround sides = RRP $6100 + $1300 shipping
D) T8 LCR + Slant8 surround sides = RRP $4900 + approx $770 shipping

Shipping to New Zealand is expensive as you can see but will hopefully be worth it.

I will be pairing these with a seaton submersive (when Mark can finalise shipping) and running off an AV as pre/pro and Behringer EP2500's pro amps.

I am well and truly torn.
I love big, intimidating, dynamic speakers and so would normally go option 1 without hesitation but my budget is limited and my room is quite small.
All these options would likely be a big step up from the Cerwin vega LCR and little energy surrounds.


What would you recommend?

Cheers
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post #3114 of 23374 Old 07-14-2011, 03:31 AM
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Pics didnt seem to work

Try this link
http://www.flickr.com/photos/6527026...7627191826896/

Click to enlarge

What is the best way to upload image to this thread?


.
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post #3115 of 23374 Old 07-14-2011, 04:12 AM
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I'd rule out the T12's right away. The narrower T8s work better for room placement, and an 80 Hz crossover works better with side wall placement (re 1/4 wavelength side wall reflections,) then the T12's with a lower crossover point.

I'd consider a second subwoofer.

pm sent.
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post #3116 of 23374 Old 07-14-2011, 06:58 AM
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Probably C or D. The room is a little narrow for T8 sides but the new Single 8LP's might work as sides. Cost should be the same as the Slanted 8's.

Of course another option would be to go with D and get a pair of passive Captivators and put you T8 mains on top. That would be an awesome front end ...


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post #3117 of 23374 Old 07-14-2011, 07:01 AM
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I agree with Tedd regarding the second subwoofer. I have a similar room measuring around 19.5 feet long, 16 feet wide, 10 feet tall. My system is 3 T8s, 4 S8 LPs, and 2 Submersives with the older amps but newer DSP programming. Does Mark have any of the gently used smaller plate amps available still? I got 2 Submersives for $3000 plus shipping.

I think that the T8 surrounds are probably overkill if you're mainly watching movies. If you were a big multichannel music guy, the 5 matched T8s would be ideal. The S8s in my very short experience with them will easily handle surround duty and could function as a small LCR in a smaller room.

With regard to T12s vs. T8s, I'm not sure. If budget would have allowed, I'd have gone with T12s. I remember reading on the DIY subforum where several prolific posters espoused the value of 12" woofers for better sound reproduction in the crossover region of 60-100 Hz, even when crossing at 80 Hz. However, some argued that the 8" coaxial was a more optimal waveguide. Much of it was over my head. Members FOH and penngray were very helpful when I shot questions their way prior to finalizing my decision. By the way, the T12s are enormous. I visited Jeff's workshop when he was in the Chicago burbs and had to take a picture next to one.

Good luck whatever you decide to do!
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post #3118 of 23374 Old 07-14-2011, 07:27 AM
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Quote:
Originally Posted by gizzykid View Post

Whatsup guys,

I need some opinions from you experienced JTR users.
I just read this thread through fully but am till unsure.

I have more or less decided to purchase a set of JTR's for my home theatre.
However I am undecided about what would best suit my room.

I have a home theatre room that measures 21.3' x 13.8' with a 9.8' high ceiling. The screen is on the short side and the Listening Position is 16.4' from the front wall.
At present I have no acoustic treatment in the room but have heavy curtains across much of the walls. I plan on creating some DIY superchunk traps for 2 corners at least and I may sneak a few more panels on first reflection points and on the front wall if I can.

The room is sealed but is very leaky due to all the windows and big doors.

...

I am tossing up between the following:
A) T12 LCR + T8 surround sides = RRP $6700 + $1500 shipping
B) T8 LCR + T8 surround sides = RRP $5500 + $980 shipping
C) T12 LCR + Slant8 surround sides = RRP $6100 + $1300 shipping
D) T8 LCR + Slant8 surround sides = RRP $4900 + approx $770 shipping

Shipping to New Zealand is expensive as you can see but will hopefully be worth it.

I will be pairing these with a seaton submersive (when Mark can finalise shipping) and running off an AV as pre/pro and Behringer EP2500's pro amps.

I am well and truly torn.
I love big, intimidating, dynamic speakers and so would normally go option 1 without hesitation but my budget is limited and my room is quite small.
All these options would likely be a big step up from the Cerwin vega LCR and little energy surrounds.


What would you recommend?

Cheers

Have you looked into Gedlee speakers at all? I'm going to audition some in a few weeks. They have similar sensitivity to the JTR's but go lower, have an excellent frequency response, are designed to be more room friendly than most speakers and supposedly throw a fantastic soundstage. If I like what I hear, I'm going to be replacing my JTR T8's as they really aren't great at music reproduction soundstage and imaging wise. They play loud though.

You could maybe get the Gedlee speakers in kit form cheaper and shipping might be less as well.

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post #3119 of 23374 Old 07-14-2011, 08:11 AM
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Quote:
Originally Posted by gizzykid View Post

I am tossing up between the following:
A) T12 LCR + T8 surround sides = RRP $6700 + $1500 shipping
B) T8 LCR + T8 surround sides = RRP $5500 + $980 shipping
C) T12 LCR + Slant8 surround sides = RRP $6100 + $1300 shipping
D) T8 LCR + Slant8 surround sides = RRP $4900 + approx $770 shipping

Cheers

Not sure if you are aware but the JTR Websites in the Forum section under the Annoucement and News section states:

Buy four or more and save an additional 5%.
Buy eight or more and save an additional 10%.

I've never heard the Captivator but only read great reviews on it but if cost is a big issue, you might want to consider RMK's recommendation below and save some $$ while you are at it.

Quote:
Originally Posted by RMK! View Post

Probably C or D. The room is a little narrow for T8 sides but the new Single 8LP's might work as sides. Cost should be the same as the Slanted 8's.

Of course another option would be to go with D and get a pair of passive Captivators and put you T8 mains on top. That would be an awesome front end ...



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post #3120 of 23374 Old 07-14-2011, 10:56 AM
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I agree that you would want a 2nd subwoofer. That should be in priority #1
My room size is similar to you. I have S8 for my surround, and it is "quite enough", given the nature of surround.
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