Calling all Polkies:Official Polk thread - Page 1497 - AVS Forum | Home Theater Discussions And Reviews
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post #44881 of 44999 Old 06-11-2019, 01:17 PM
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Originally Posted by climber07 View Post
I was looking at the 6050 because it had one of the brightest pictures available. I am not sure thought because it is pixel shift technology and not native 4K. The Sony is true 4k but half as bright and expensive.
Same here, not really in a hurry to buy a new projector. So, I'll wait a bit longer until there are more true 4K projectors at the market and hopefully at a more realistic prices. They Sony looks great until you look at the cost of those projectors.

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Originally Posted by Geoff4RFC View Post
Dave, just an observation, not sure if you interested.....the trim on your emo is the same trim I have. I took out the two screws, punched them into a piece of cardboard so they stood up, laid the trim next to them and spray painted them with flat black paint....and presto, turned the stock pieces into $20 a pair add on's.
Nicely done! I purchased the black ones directly from Emotiva in one of those sales they had in the past. But, your idea is really good.

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Originally Posted by Geoff4RFC View Post
Carlos, I've been getting old since the day I was born

I wonder how @XStanleyX is doing??? He sold/gave to his son, all of his gear and got an RV and hit the road!
Knowing him the first stop was at Las Vegas and he is still there!

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Originally Posted by Geoff4RFC View Post
I've been looking into 4K gear as well lately.

I already have the Samsung display, but I've been considering the Marantz AV8802A to add to the mix as well as a second pair of LSiM703's.

How long before you make your decision?
4K bug.....that's it!
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post #44882 of 44999 Old 06-12-2019, 01:20 AM
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Originally Posted by cr136124 View Post
Yikes! Can you believe that puppy was built back on May 2012 ....

https://www.avsforum.com/forum/63-re...l#post22042261
You know, come to think of it, I believe you were going to build me one for all of my emo gear! And, now, since it has been so darn long, I have four, yes count them, four emo amps and two Integras, an AVR and a Pre. So I'd like to have a cabinet that will house all but have them separate so the AVR can do an 11.4 and the Pre can do a 2ch stereo set up.

And I want it unique and I want it to be more bad ass than yours and @climber07 Dave's. Make it out of oak and I'll stain it in pecan...oh yeah

*in a voice with my cheeks stuffed with cotton* Do this for me Santino and I will make you head of the family business!

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44883 of 44999 Old 06-12-2019, 10:26 AM
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Originally Posted by Geoff4RFC View Post
You know, come to think of it, I believe you were going to build me one for all of my emo gear! And, now, since it has been so darn long, I have four, yes count them, four emo amps and two Integras, an AVR and a Pre. So I'd like to have a cabinet that will house all but have them separate so the AVR can do an 11.4 and the Pre can do a 2ch stereo set up.

And I want it unique and I want it to be more bad ass than yours and @climber07 Dave's. Make it out of oak and I'll stain it in pecan...oh yeah

*in a voice with my cheeks stuffed with cotton* Do this for me Santino and I will make you head of the family business!


Power Sound Audio S7201 Quad 18" 4000W Sealed Subwoofer - Onkyo TX-NR3009 - Emotiva XPA-2 300 WPC - Polk Audio RTiA9 Mains - CSiA6 Center - F/XiA6 Surrounds - Epson 5030UB Projector - Multi-format 106" HD Gray screen - Samsung BD-F5900 3D Bluray - WDTV Live HD Media Player with 6TB External Storage - Nintendo Wii - XBox 360 - - XBox One S - Logitech Harmony One, and custom DIY media console...
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post #44884 of 44999 Old 06-12-2019, 10:33 AM
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Originally Posted by climber07 View Post
Bummer, I get an error msg when trying to load the vid

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44885 of 44999 Old 06-12-2019, 10:38 AM
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Originally Posted by climber07 View Post
Ah yes, Mr. Walken, I love that guy!!!

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44886 of 44999 Old 06-12-2019, 10:42 AM
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Originally Posted by Geoff4RFC View Post
You know, come to think of it, I believe you were going to build me one for all of my emo gear! And, now, since it has been so darn long, I have four, yes count them, four emo amps and two Integras, an AVR and a Pre. So I'd like to have a cabinet that will house all but have them separate so the AVR can do an 11.4 and the Pre can do a 2ch stereo set up.



And I want it unique and I want it to be more bad ass than yours and @climber07 Dave's. Make it out of oak and I'll stain it in pecan...oh yeah



*in a voice with my cheeks stuffed with cotton* Do this for me Santino and I will make you head of the family business!
That is an impressive collection of AV gear. But, not as impressive as your cat collection.



Sent from my SM-N960U using Tapatalk
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post #44887 of 44999 Old 06-12-2019, 10:52 AM
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Originally Posted by cr136124 View Post
That is an impressive collection of AV gear. But, not as impressive as your cat collection.



Sent from my SM-N960U using Tapatalk
LOL, ah yes, but still not as impressive as watching a collection of cats go scattering when the big woofer woofs it's woofers
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Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44888 of 44999 Old 06-12-2019, 10:57 AM
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Originally Posted by Geoff4RFC View Post
You know, come to think of it, I believe you were going to build me one for all of my emo gear!

Check out the attachment. I did a full build log overview of the console I built over on AV Nirvana. The attachment links to the full size images.
Attached Files
File Type: pdf Media Console Build (reduced size).pdf (894.2 KB, 17 views)

Power Sound Audio S7201 Quad 18" 4000W Sealed Subwoofer - Onkyo TX-NR3009 - Emotiva XPA-2 300 WPC - Polk Audio RTiA9 Mains - CSiA6 Center - F/XiA6 Surrounds - Epson 5030UB Projector - Multi-format 106" HD Gray screen - Samsung BD-F5900 3D Bluray - WDTV Live HD Media Player with 6TB External Storage - Nintendo Wii - XBox 360 - - XBox One S - Logitech Harmony One, and custom DIY media console...
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post #44889 of 44999 Old 06-12-2019, 11:08 AM
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Check out the attachment. I did a full build log overview of the console I built over on AV Nirvana. The attachment links to the full size images.
That is master craftsman right there Dave, not taking anything away from @cr136124 as his console is also first class!!

I love the oak plywood and the exhaust fans are top shelf!!!!

Okay, Carlos, you're off the hook for now...…*with cotton again*….Dave-tino, if you build this for me, I will make you head of the family business!!!

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44890 of 44999 Old 06-12-2019, 11:22 AM
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Originally Posted by Geoff4RFC View Post
That is master craftsman right there Dave, not taking anything away from @cr136124 as his console is also first class!!

I love the oak plywood and the exhaust fans are top shelf!!!!

Okay, Carlos, you're off the hook for now...…*with cotton again*….Dave-tino, if you build this for me, I will make you head of the family business!!!

Carlos was my inspiration! Thank you for the kind words. I added an attachment with new pics of the "Gargantua" subwoofer.
Attached Files
File Type: pdf Media Console Build Part 2.pdf (698.3 KB, 11 views)

Power Sound Audio S7201 Quad 18" 4000W Sealed Subwoofer - Onkyo TX-NR3009 - Emotiva XPA-2 300 WPC - Polk Audio RTiA9 Mains - CSiA6 Center - F/XiA6 Surrounds - Epson 5030UB Projector - Multi-format 106" HD Gray screen - Samsung BD-F5900 3D Bluray - WDTV Live HD Media Player with 6TB External Storage - Nintendo Wii - XBox 360 - - XBox One S - Logitech Harmony One, and custom DIY media console...
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post #44891 of 44999 Old 06-12-2019, 12:57 PM
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Originally Posted by climber07 View Post
Carlos was my inspiration! Thank you for the kind words. I added an attachment with new pics of the "Gargantua" subwoofer.
LOL, your sub makes your A9 look like a Monitor 50....no offense to your once M60's

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat

Set up:
Marantz AV8802A W/M.P. Monolith XLR's-Oppo 103-65" 4K Sammy-Emotiva: XPA-DR3, XPA-3, XPA-2 x 2-PolkAudio: RTiA9 x 4-LiSM706-FXiA6 x 4-LiSM703-Furez 10awg homemade cables
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post #44892 of 44999 Old 06-12-2019, 01:45 PM
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Howdy all!


I wanted to get an opinion from the Polk community on my new HT setup. I have an opportunity to pick up 705's or 707's at a deep discount that I can't pass up and was planning on getting 5 towers for my LCR and rear surrounds in a 5.2.4 Atmos setup. Obviously the 705's will save some cash, and I've heard them and they are incredible. I've never heard the 707's and was wondering if anyone could offer some input as to whether the upgrade will be dramatic enough to shell out the extra cash? They will be mainly used for movie/tv/games in the theater, but having either of these powerhouses will also result in a lot of music being played at ear bleeding levels, lol.


Also, I know I will need an amp to push them as my Denon AVRX4400H isn't going to cut it. Someone recommended an Outlaw 5000 in another thread when I was trying to figure out which speakers to get when I wasn't centered on Polk. Will this be sufficient or there other suggestions you could offer?



Any and all input will be greatly appreciated!
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post #44893 of 44999 Old 06-12-2019, 02:04 PM
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Howdy all!


I wanted to get an opinion from the Polk community on my new HT setup. I have an opportunity to pick up 705's or 707's at a deep discount that I can't pass up and was planning on getting 5 towers for my LCR and rear surrounds in a 5.2.4 Atmos setup. Obviously the 705's will save some cash, and I've heard them and they are incredible. I've never heard the 707's and was wondering if anyone could offer some input as to whether the upgrade will be dramatic enough to shell out the extra cash? They will be mainly used for movie/tv/games in the theater, but having either of these powerhouses will also result in a lot of music being played at ear bleeding levels, lol.


Also, I know I will need an amp to push them as my Denon AVRX4400H isn't going to cut it. Someone recommended an Outlaw 5000 in another thread when I was trying to figure out which speakers to get when I wasn't centered on Polk. Will this be sufficient or there other suggestions you could offer?



Any and all input will be greatly appreciated!
I don't see the point if getting 707s over 705s if you are going to also be using a subwoofer, or ideally several subwoofers, since bass extension is their main advantage. The 705s put the tweeters at seated ear height. I suspect that the 707 would put the tweeters a bit higher than ideal.

SONY VPL-VW385ES, Da-Lite 92" 0.9 HD progressive 16x9 screen, Apple TV 4K, HDFury Integral 2, Oppo UDP 203, Panasonic DP-UB820, Anthem AVM 60, D-Sonic 4000 (800x3, 400x4) for bed layer, 2 Crown XLS 1002 (225x4) for Atmos; Speakers: Polk LSiM 705s, 703 front, 4 702F/X surround, 4 Polk TL3 (Atmos), Dual Velodyne DD15 Subwoofers.
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post #44894 of 44999 Old 06-12-2019, 02:25 PM
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I don't see the point if getting 707s over 705s if you are going to also be using a subwoofer, or ideally several subwoofers, since bass extension is their main advantage. The 705s put the tweeters at seated ear height. I suspect that the 707 would put the tweeters a bit higher than ideal.

I think that's a very valid point and hadn't considered the extra height. And yes, I plan on getting a pair of Hsu VTF-3 MK5 HP's. 705's it is!
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post #44895 of 44999 Old 06-12-2019, 02:53 PM
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I think that's a very valid point and hadn't considered the extra height. And yes, I plan on getting a pair of Hsu VTF-3 MK5 HP's. 705's it is!
With two nice subs you could save some $$ by going with the LSiM 703's and Polk has a deal buy 4 get a free 706c center.

https://www.ebay.com/itm/Polk-Audio-....c100903.m5276
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post #44896 of 44999 Old 06-12-2019, 03:18 PM
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Check out the attachment. I did a full build log overview of the console I built over on AV Nirvana. The attachment links to the full size images.
So cool! No casters? How are you moving that puppy when you add new gear/run new wires?

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Originally Posted by Geoff4RFC View Post
That is master craftsman right there Dave, not taking anything away from @cr136124 as his console is also first class!!

I love the oak plywood and the exhaust fans are top shelf!!!!

Okay, Carlos, you're off the hook for now...…*with cotton again*….Dave-tino, if you build this for me, I will make you head of the family business!!!
Thanks Dave!

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Carlos was my inspiration! Thank you for the kind words. I added an attachment with new pics of the "Gargantua" subwoofer.
Man, I feel so inspiring!

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Originally Posted by cocrh View Post
With two nice subs you could save some $$ by going with the LSiM 703's and Polk has a deal buy 4 get a free 706c center.

https://www.ebay.com/itm/Polk-Audio-....c100903.m5276
That is a great deal / combo! With two heavy hitter subwoofers to take care of the lower frequencies..........of course!
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post #44897 of 44999 Old 06-12-2019, 04:40 PM
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With two nice subs you could save some $$ by going with the LSiM 703's and Polk has a deal buy 4 get a free 706c center.

https://www.ebay.com/itm/Polk-Audio-....c100903.m5276
Better yet, also use a 703 for a center speaker. It will have much better horizontal dispersion than the 706 and be a perfect match for the L&R and surrounds. I am using a 703 for the center and it works very well in that role.

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post #44898 of 44999 Old 06-13-2019, 04:40 AM
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Better yet, also use a 703 for a center speaker. It will have much better horizontal dispersion than the 706 and be a perfect match for the L&R and surrounds. I am using a 703 for the center and it works very well in that role.

He could very well do both. A free LSiM706 is nothing to sneeze at and could always be resold unused for a pretty penny.

Living Room: Sony XBR-65Z9D; Oppo UDP-203; Nvidia Shield TV; Roku Ultra; Denon AVR-X8500H (9.1.4/13.1); Polk Audio RTiA7 (Fl/r), CSiA6 (C), RTiA5 (Sl/r & FW), OWM5 (SB), 80F/X-RT (FH, RH); SVS SB-2000 (SW)
Bedroom: Sony XBR-55HX929, DarbeeVision DVP 5000S, Amazon Fire TV 4K, Yamaha R-N402 Network Receiver, Polk Audio LSiM703
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post #44899 of 44999 Old 06-13-2019, 05:42 AM
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I've been looking at the 705's and 704C to possibly replace the Polk LS90's and CS400i for the LCR speakers in our 5.1 system.

One thing that bugs me a bit about the 705 (and 707) is the 100 Hz crossover to the bottom woofers.

I typically use an 80 or 100 Hz crossover in my AVP, so in this case, the 705's bottom woofers would be handling little to nearly none of the content. Seems like a waste of the woofers and basically all of the midbass above 100 Hz would be played by the single 5.25" midwoofer. I'm sure Polk had valid engineering behind the 100 Hz crossover to the lower woofers, but 300-600 Hz is much more common in a 3-way or 4-way design.

What AVR/AVP crossover point do folks use with the 705's?

I've also heard that the LSiM's are a bit laid back.

Is that the impressions of owners?


-

5.1 and 2.0 ch: Outlaw 975/Emotiva DC-1/Rotel RB-1582 MKII/Rotel RB-1552/Audiosource Amp 3/Polk LS90, CS400i, FX500i/Outlaw X-12, LFM-1/JVD DLA-HD250/Da-Lite 100" HCCV/Sony ES BDP/Sonos Connect. DC-1/RB-1582 MKII/Sonos Connect also feed Polk 7C in garage and Dayton IO655 on patio. 2.1 ch: Denon AVR-2807/Klipsch Forte I or NHT SB2/JBL SUB 550P x 2. 2.0 ch: Rotel RX-1052/Emotiva DC-1/Klipsch RF-7 III/Sony ES BDP/LG 65" LED. 2.0 ch: Klipsch Powergate/NHT SB3. Kitchen: Sonos Play5.
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post #44900 of 44999 Old 06-13-2019, 07:18 AM
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Originally Posted by adam2434 View Post
I've been looking at the 705's and 704C to possibly replace the Polk LS90's and CS400i for the LCR speakers in our 5.1 system.

One thing that bugs me a bit about the 705 (and 707) is the 100 Hz crossover to the bottom woofers.

I typically use an 80 or 100 Hz crossover in my AVP, so in this case, the 705's bottom woofers would be handling little to nearly none of the content. Seems like a waste of the woofers and basically all of the midbass above 100 Hz would be played by the single 5.25" midwoofer. I'm sure Polk had valid engineering behind the 100 Hz crossover to the lower woofers, but 300-600 Hz is much more common in a 3-way or 4-way design.

What AVR/AVP crossover point do folks use with the 705's?

I've also heard that the LSiM's are a bit laid back.

Is that the impressions of owners?


-
Why buy a tower if you have a sub?
Mine are crossed over at 40 for the front and 80 for the center.
i have towers because kids respect them more then book shelves(ie we can't bump them and nock it over)
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post #44901 of 44999 Old 06-13-2019, 07:55 AM
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Why buy a tower if you have a sub?
Mine are crossed over at 40 for the front and 80 for the center.
i have towers because kids respect them more then book shelves(ie we can't bump them and nock it over)
A few reasons:

1) One of my main priorities is 2-channel music and sometimes I like the option to listen without subs, or lower the crossover point with subs when listening to music (which is certainly an option with the 705's).

2) I'm generally a believer of bigger speakers equals bigger sound with more output capability and lower distortion.

3) The stability factor you mentioned.

4) I prefer the aesthetics of floorstanders.

However, since I've been using a Marantz AV7704 AVP with Audyssey engaged, I feel like I need to bump the crossover to 100 Hz and increase the sub levels 6-7 dB to get the bass impact/slam "right" for multichannel concert video discs (which are another main priority). So, if I would feel I need to do this with the 705's too, the lower woofers would be essentially unused, and that just bugs me on a philosophical level.


-
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5.1 and 2.0 ch: Outlaw 975/Emotiva DC-1/Rotel RB-1582 MKII/Rotel RB-1552/Audiosource Amp 3/Polk LS90, CS400i, FX500i/Outlaw X-12, LFM-1/JVD DLA-HD250/Da-Lite 100" HCCV/Sony ES BDP/Sonos Connect. DC-1/RB-1582 MKII/Sonos Connect also feed Polk 7C in garage and Dayton IO655 on patio. 2.1 ch: Denon AVR-2807/Klipsch Forte I or NHT SB2/JBL SUB 550P x 2. 2.0 ch: Rotel RX-1052/Emotiva DC-1/Klipsch RF-7 III/Sony ES BDP/LG 65" LED. 2.0 ch: Klipsch Powergate/NHT SB3. Kitchen: Sonos Play5.
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post #44902 of 44999 Old 06-13-2019, 09:15 AM
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Originally Posted by adam2434 View Post
I've been looking at the 705's and 704C to possibly replace the Polk LS90's and CS400i for the LCR speakers in our 5.1 system.

One thing that bugs me a bit about the 705 (and 707) is the 100 Hz crossover to the bottom woofers.

I typically use an 80 or 100 Hz crossover in my AVP, so in this case, the 705's bottom woofers would be handling little to nearly none of the content. Seems like a waste of the woofers and basically all of the midbass above 100 Hz would be played by the single 5.25" midwoofer. I'm sure Polk had valid engineering behind the 100 Hz crossover to the lower woofers, but 300-600 Hz is much more common in a 3-way or 4-way design.

What AVR/AVP crossover point do folks use with the 705's?

I've also heard that the LSiM's are a bit laid back.

Is that the impressions of owners?


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I crossover my L&R 705s and my center 703 at 80 Hz as recommended by my Anthem RC software. As you are no doubt aware, however, crossovers are not brick wall filters and the speakers will have some output down to about an octave below the crossover frequencies, so the larger racetrack shaped woofers are getting some output on the 705s at least.

I chose the L&R 705s instead 3 703s for several reasons, including not needing speaker stands which add cost and are not as stable. Plus the 705s (and the 703) in midnight mahogany just look very nice in my room. They look like a fine piece of furniture.

And, after sorting through our record collection that we haven't played in likely 25 years, in preparation for giving them to a vinyl loving friend, my wife decided that she wanted to keep our records and so I bought a turntable and am rediscovering how fun it is to play records again, and yes in 2-channel mode without subs. The records sound remarkably good playing through the 705s.

SONY VPL-VW385ES, Da-Lite 92" 0.9 HD progressive 16x9 screen, Apple TV 4K, HDFury Integral 2, Oppo UDP 203, Panasonic DP-UB820, Anthem AVM 60, D-Sonic 4000 (800x3, 400x4) for bed layer, 2 Crown XLS 1002 (225x4) for Atmos; Speakers: Polk LSiM 705s, 703 front, 4 702F/X surround, 4 Polk TL3 (Atmos), Dual Velodyne DD15 Subwoofers.
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post #44903 of 44999 Old 06-13-2019, 09:59 AM
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Quote:
Originally Posted by shs1234 View Post

I crossover my L&R 705s and my center 703 at 80 Hz as recommended by my Anthem RC software. As you are no doubt aware, however, crossovers are not brick wall filters and the speakers will have some output down to about an octave below the crossover frequencies, so the larger racetrack shaped woofers are getting some output on the 705s at least.

I chose the L&R 705s instead 3 703s for several reasons, including not needing speaker stands which add cost and are not as stable. Plus the 705s (and the 703) in midnight mahogany just look very nice in my room. They look like a fine piece of furniture.

And, after sorting through our record collection that we haven't played in likely 25 years, in preparation for giving them to a vinyl loving friend, my wife decided that she wanted to keep our records and so I bought a turntable and am rediscovering how fun it is to play records again, and yes in 2-channel mode without subs. The records sound remarkably good playing through the 705s.
Tower speakers look cool and add fullness that bookies sometimes can't even when they are crossed at 80-100 Hz. They also have the ability to play full range in 2 channel mode with no sub. For fronts, I love towers.

For the surrounds and center smaller speakers can work better but need stands or mounts. Di-pole/ bi-pole surrounds generally work best. If you have an acoustically transparent screen then three tries for LCR work great. Center channels, though, are designed to offer a wider sound stage than towers.

When crossovers are selected, each type of speaker/subwoofer combo will need to be tested for best results. My towers were crossed at 80 with my older subs. With the new sub 100 works better. My son's get 120 for their crossovers.

Don't be such on a manufacturer's recommended crossover. Is a starting point and may need adjusted up or down depending on the phase roll-off of the speakers and subs and how they interact.
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post #44904 of 44999 Old 06-13-2019, 10:03 AM
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So cool! No casters? How are you moving that puppy when you add new gear/run new wires?
I have built into the bottom five 3" wide sliders with 3/4" rounded edges. They are sanded super smooth and perform better than any wheels or sliders could. Sliding the console around even with 400 lbs of great in it is quite easy.

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post #44905 of 44999 Old 06-13-2019, 10:39 AM
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I have built into the bottom five 3" wide sliders with 3/4" rounded edges. They are sanded super smooth and perform better than any wheels or sliders could. Sliding the console around even with 400 lbs of great in it is quite easy.
Ah...... it slides!






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post #44906 of 44999 Old 06-13-2019, 10:42 AM
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Center channels, though, are designed to offer a wider sound stage than towers.
I don't agree in general that center channel speakers are designed for a wider soundstage.

Any time more than one driver is reproducing a given frequency there will be combing and lobing along the axis defined by those two drivers and the frequency response will depend on your location relative to those two drivers. Most all speakers are designed with all the drivers orientated vertically as that allows for the best dispersion of sound in the horizontal plane so that all seats in the listening room, on axis and off axis, get as close to the same sound as possible. There will be lobing in the vertical plane, but that is less important in that most listening is done seated.

So called center channel speakers use a horizontal alignment of the drivers, think the common 2 small woofers, to save vertical room and allow easy placement above or below the display. But because of the horizontal alignment of the drivers, there WILL be lobing along the horizontal axis and those sitting off axis will experience a difference frequency response than those sitting on axis. Crossover frequencies can be compromised to minimize this effect, but there is no question that a horizontal center channel speaker will have compromised dispersion in the horizontal plane relative to those same drivers in a vertical orientation.

Home theater is all about compromises, and I certainly understand why horizontal center channel speakers are so widely used, the WAF and aesthetics, but it is important to understand that there is no magic need for a center channel to be horizontal and the L&R vertical. Ideally, they would all be vertical.
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post #44907 of 44999 Old 06-13-2019, 11:26 AM
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Hello I wanted to post in this thread to get owners opinion on their A9s and see how it compares to my results.



I recently reacquired another new set of RTi A9 and a CSI A6 as the first set I received were defective on arrival. Since enough time had passed from my initial first purchase, I was also able to acquire a Monoprice 300W (bridged), and a Behringer NU6000D.



I currently have the center channel bridged (Monoprice), and L/R on their own channel (NU6kD).



Everything sounds nice and clear. There is finally some bass, but I will say one thing though. Some reviews I have read, owners were stating that there was enough bass that they were contemplating deleting their subs as there was enough bass coming from the A9s. I cannot state I agree with their assertions.



I currently have my AVR set to full on LCR, center amp and Behringer set to full gain. What I have not done yet is run AccuEQ.



One of my test tracks is the note generated at 0:25 from the track
. I am using Spotify rather than YouTube. When the bass note hits, it is very weak.



Aside from the bass, these speakers are very clear, mids are precise, and they are not fatiguing on the ears like metal tweeters .



So when it comes to bass. Feeding these tower speakers well over the recommended wattage, am I expecting too much from these speakers?



All feedback welcome.
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post #44908 of 44999 Old 06-13-2019, 11:34 AM
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Ah...... it slides!






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Sliders may be a very good idea. I used casters with rubber wheels and they definitely make groves in my hardwood flooring. Hmmm.

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post #44909 of 44999 Old 06-13-2019, 11:50 AM
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Sliders may be a very good idea. I used casters with rubber wheels and they definitely make groves in my hardwood flooring. Hmmm.
Indeed!




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post #44910 of 44999 Old 06-13-2019, 11:56 AM
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Quote:
Originally Posted by shs1234 View Post
I crossover my L&R 705s and my center 703 at 80 Hz as recommended by my Anthem RC software. As you are no doubt aware, however, crossovers are not brick wall filters and the speakers will have some output down to about an octave below the crossover frequencies, so the larger racetrack shaped woofers are getting some output on the 705s at least.
Right, with a 80 Hz crossover, the speaker will be down 12 db at 40 Hz (and I assume down 6 db at 60 Hz) with the typical 12 db/octave slope in AVRs/AVPs. So, yes, a bit of output from the woofers, but not a lot.

This is not a deal-breaker for me, just more of a philosophical nuisance.

I have some loyalty to Polk, since I've owned so many of their speakers over the years and been very pleased with most of them...we have LS90/CS400i/FX500i in the 5.1 system, Monitor 7C (with crossover and tweeter upgrades) in the garage, and RT35i (that I plan to give to one of my kids). I've had great experiences with their customer service too. That is a big factor for me, as well as the general reliability of the products, which has been above average I would say.

Plus, being an owner of their original LS series from the early-mid 90's, it would be kind of cool to have the latest LS series.


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