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SURROUND SPEAKERS - Bipole, Dipole, Quadpole, Omnipole... WHICH ONE? - Page 8

Poll Results: There are many surround speakers out there now, but the ones below would have to get my highest recommendation for the most remarkable & effective design Which of these have you had a positive experience with?

This is a multiple choice poll
  • 29% (13)
    Mirage OMD5 (or any other Mirage Omnipole)
  • 6% (3)
    JBL P520WS / Infinity ES-250 / Infinity Classia C255ES (Dual-monopole for 4 channels from 2 speakers, but also Bipole & Dipole switchable)
  • 15% (7)
    Axiom QS8 or QS4 (Unique Quadpole design)
  • 18% (8)
    Paradigm ADP (Many models available with this design, where the tweeters run Dipole, but the woofers are Bipole)
  • 9% (4)
    Monitor Audio BXFX or RXFX (Single woofer, but the tweeters can switch to either Dipole or Bipole)
  • 13% (6)
    Monitor Audio GXFX (6 drivers, including a ribbon. (Monopole / Dipole switchable)
  • 6% (3)
    KEF 26/2DS (Dipole only, alas... but with two 6.5 inch side woofers and a front-firing 8 inch!!! )
44 Total Votes  
post #211 of 549
Thread Starter 
Quote:
Originally Posted by ShoutingMan View Post

Ah. The picture you posted is from a friend's room, with the bipoles mounted on the rear wall, facing outward. So do I understand correctly that the dipoles will not sound especially good like that?

No they wouldn't. As I've said one post post back, dipoles really want to be side-wall mounted with you in the null.

Just to confirm:
The picture back here is my old place. 7.0 setup with 2 pairs of bipoles. The speakers on the side walls could be switched to dipole, but bipole gave the best results. (The bipoles at the back were later sold to friends.)

My current room (which is a compromise) is viewable by clicking on the signature below...
post #212 of 549
TV and soundstage is at one end of 37L room. Seating approximately 13' from TV with 24' of open room behind seating area. Have Polk RTiA5's up front. Should I go with RTiA3 bookshelves or FXiA6 surrounds. Thanks for your suggestions.
post #213 of 549
I need help with the selection/placement of my surrounds. My couch is against back wall (long wall in room that is about 25x15.) The surrounds will have to located within 13-14 inches from the corners, I guess I can use the back or side walls. Should I go monopoles or bipoles? Will there be too much reflected sound with bipoles because of the corner location?

Attachment 166614

Attachment 166615


Thanks!!!
LL
LL
post #214 of 549
Quote:
Originally Posted by TL5 View Post

I need help with the selection/placement of my surrounds. My couch is against back wall (long wall in room that is about 25x15.) The surrounds will have to located within 13-14 inches from the corners, I guess I can use the back or side walls. Should I go monopoles or bipoles?

What happened to your idea to...
Quote:
Originally Posted by TL5 View Post

...get bipoles and put them on shelves in the corner with one set of drivers firing onto the sidewall & another firing towards the back wall.
post #215 of 549
Quote:
Originally Posted by sdurani View Post

What happened to your idea to...

That's still my first choice but I wanted to post pictures just to make sure I was on the right track.

Thanks,

Patrick
post #216 of 549
Quote:
Originally Posted by Murray1 View Post

TV and soundstage is at one end of 37L room. Seating approximately 13' from TV with 24' of open room behind seating area. Have Polk RTiA5's up front. Should I go with RTiA3 bookshelves or FXiA6 surrounds. Thanks for your suggestions.

Any suggestions??
post #217 of 549
Thread Starter 
Quote:
Originally Posted by TL5 View Post

I need help with the selection/placement of my surrounds. My couch is against back wall (long wall in room that is about 25x15.) The surrounds will have to located within 13-14 inches from the corners, I guess I can use the back or side walls. Should I go monopoles or bipoles? Will there be too much reflected sound with bipoles because of the corner location?

Attachment 166614
Attachment 166615

Thanks!!!

Well, half the point of bipoles/dipoles is to use wall reflections for a bigger spread of sound, so there's nothing wrong with that. I definitely wouldn't go with monopoles.

What I would do in your situation is buy a pair of dipole/bipole/dual-monopole switchable surrounds from Infinity or JBL (anyone know of any others?).
This way, you just can't go wrong - and you can have 7.1 if you like.

Put them on shelves in the corner with one set of drivers firing onto the sidewall & another firing towards the back wall. Experiment with angling and height, preferably between 1 and 3 feet above seated ear-height.

Let us know how you go, and post some pics!
post #218 of 549
Thread Starter 
Quote:
Originally Posted by Murray1 View Post

TV and soundstage is at one end of 37L room. Seating approximately 13' from TV with 24' of open room behind seating area. Have Polk RTiA5's up front. Should I go with RTiA3 bookshelves or FXiA6 surrounds. Thanks for your suggestions.

Once again, it always helps to post pictures.

Definitely go with with the FXiA6.

Or (at the risk of repeating myself) do as I said in the previous post, and buy a pair of dipole/bipole/dual-monopole switchable surrounds from Infinity or JBL (or whoever else), and have the option of 7.1 with two surrounds.
post #219 of 549
This is my room, with central listening position on couch shown and distance to TV and side walls. The left side is open to the kitchen and hall. As the left wall portion doesn't allow bi/dipole to be placed aligned with the listener, I now think that those aren't good speakers for my room.

post #220 of 549
Quote:
Originally Posted by Electric_Haggis View Post

Well, half the point of bipoles/dipoles is to use wall reflections for a bigger spread of sound, so there's nothing wrong with that. I definitely wouldn't go with monopoles.

What I would do in your situation is buy a pair of dipole/bipole/dual-monopole switchable surrounds from Infinity or JBL (anyone know of any others?).
This way, you just can't go wrong - and you can have 7.1 if you like.

Put them on shelves in the corner with one set of drivers firing onto the sidewall & another firing towards the back wall. Experiment with angling and height, preferably between 1 and 3 feet above seated ear-height.

Let us know how you go, and post some pics!

Here's the link to a switchable 5.1/7.1 speaker from Focal (JMLabs):

http://www.focal-fr.com/catalogue-do...files/1349.pdf

I am actually considering this model, but if you look at the pictures of my room I have doubts I would be able to use them in 7.1 mode as they will be far apart - about 25 feet from each other. A similar model without the 5.1/7.1 switching capability is about $800 less.
post #221 of 549
Thread Starter 
Quote:
Originally Posted by TL5 View Post

Here's the link to a switchable 5.1/7.1 speaker from Focal (JMLabs):

http://www.focal-fr.com/catalogue-do...files/1349.pdf


Well those Focal's look nice - but as always with JMLab - way overpriced.

I'm sure if you were to shoot them out against the likes of the JBLs or Infinity Classia - especially with some help from Audyssey - you wouldn't lose any sleep over the sonic differences. You might even find there isn't any!

Quote:
Originally Posted by TL5 View Post

I am actually considering this model, but if you look at the pictures of my room I have doubts I would be able to use them in 7.1 mode as they will be far apart - about 25 feet from each other. A similar model without the 5.1/7.1 switching capability is about $800 less.

Lemme think... 25 feet is almost 8 metres. So each surround is almost 4 metres from centre.

That's quite a lot... but what's the alternative?

If you go for straight dipoles/bipoles, how are you any better off (assuming you skip the Focals)?

Remember that the further away you are from these speakers, the more the wall-reflections will count.
You'll still be getting more rear-surround bounce from the rear wall, and side-wall bounce from the side walls.
post #222 of 549
Thread Starter 
Quote:
Originally Posted by ShoutingMan View Post

This is my room, with central listening position on couch shown and distance to TV and side walls. The left side is open to the kitchen and hall. As the left wall portion doesn't allow bi/dipole to be placed aligned with the listener, I now think that those aren't good speakers for my room.


OK. Assuming you were to go with bookshelf speakers, where would you put them?

Looks to me like you've only two choices:
1* To the sides with the left side mounted on a stand, shelf or bracket.
2* On the rear wall (like what I'm currently doing).

Now, ask yourself...given that bi/di/dual-monopoles don't need to be wall-mounted, how are you better off with bookshelf speakers?

Once again, I reckon I'd be buying the bi/di/dual-monopole-switchable speakers and keeping myself covered.
post #223 of 549
Quote:
Originally Posted by Electric_Haggis View Post

Well those Focal's look nice - but as always with JMLab - way overpriced.

I'm sure if you were to shoot them out against the likes of the JBLs or Infinity Classia - especially with some help from Audyssey - you wouldn't lose any sleep over the sonic differences. You might even find there isn't any!



Lemme think... 25 feet is almost 8 metres. So each surround is almost 4 metres from centre.

That's quite a lot... but what's the alternative?

If you go for straight dipoles/bipoles, how are you any better off (assuming you skip the Focals)?

Remember that the further away you are from these speakers, the more the wall-reflections will count.
You'll still be getting more rear-surround bounce from the rear wall, and side-wall bounce from the side walls.

I don't feel the JMlabs are overpriced at all, considering the way they sound and are built. These speakers are 27.5 pounds each - heavy for smallish wall mountable speakers. Having said that they may be overkill for surround use, but I do listen to 5.1 DVD-A's and SACD's. My question is if the switchable 5.1/-7.1 mode is worth it in my room versus a regular bipolar model, due to the fact the surrounds are so far apart. It might be better, giving me more "fill" to the back of my room to just go 5.1 ( Couch where I listen from is near rear wall.) If I get a similar bipolar model from JMlabs without the ability to switch it to a 7.1 system, I can save about $800.
post #224 of 549
Quote:
Originally Posted by Electric_Haggis View Post

OK. Assuming you were to go with bookshelf speakers, where would you put them?

Looks to me like you've only two choices:
1* To the sides with the left side mounted on a stand, shelf or bracket.
2* On the rear wall (like what I'm currently doing).

Now, ask yourself...given that bi/di/dual-monopoles don't need to be wall-mounted, how are you better off with bookshelf speakers?

Once again, I reckon I'd be buying the bi/di/dual-monopole-switchable speakers and keeping myself covered.

Monopole (Bookshelf) speakers go on stands to the sides and slightly behind couch; that's my current setup. It's not ideal, as they're close to the the off-center couch sitting positions.

My -- admittedly meager -- understanding was that bi/dipoles were supposed to be wall mounted with the null aligned with the listening position. I can't wall mount on the left and be aligned to the null. I can mount on the rear wall, but that's also said to be a bad idea. I might be able to stand-mount bipoles and be aligned to the null; I'm not sure.

I need to ask the dealer if I can demo both options and see what works.

However, I've found that bipoles are no longer my big problem: the center channel is. These things are huge and don't fit my setup. I'm inquiring elsewhere about options for coping with that (hopefully, short of buying a smaller, cheaper speaker system).
post #225 of 549
Thread Starter 
Quote:
Originally Posted by TL5 View Post

I don't feel the JMlabs are overpriced at all, considering the way they sound and are built. These speakers are 27.5 pounds each - heavy for smallish wall mountable speakers. Having said that they may be overkill for surround use, but I do listen to 5.1 DVD-A's and SACD's. My question is if the switchable 5.1/-7.1 mode is worth it in my room versus a regular bipolar model, due to the fact the surrounds are so far apart. It might be better, giving me more "fill" to the back of my room to just go 5.1 ( Couch where I listen from is near rear wall.) If I get a similar bipolar model from JMlabs without the ability to switch it to a 7.1 system, I can save about $800.

If you're set on getting JMLab, then it becomes a slightly tougher question with that $800 difference. You really want to do listening tests to hear the differences.

Again, don't forget that at 4 metres a side, reinforcement from room reflections will play a much greater roll...

Personally, I would still get the switchables any day.
The differences will vary from mix to mix, but at least you're completely covered for now and the future. You won't be hearing 6.1 and 7.1 mixes in 5.1, and you can always switch back to bipole if needs be.

Look at it this way - if you're concerned that the distance will negate the difference, then why get such high quality surrounds in the first place?
post #226 of 549
Thread Starter 
Quote:
Originally Posted by ShoutingMan View Post

Monopole (Bookshelf) speakers go on stands to the sides and slightly behind couch; that's my current setup. It's not ideal, as they're close to the the off-center couch sitting positions.

My -- admittedly meager -- understanding was that bi/dipoles were supposed to be wall mounted with the null aligned with the listening position. I can't wall mount on the left and be aligned to the null. I can mount on the rear wall, but that's also said to be a bad idea. I might be able to stand-mount bipoles and be aligned to the null; I'm not sure.

Sounds like you need to to do more reading up on this!

With dipoles, it's critical to sit in the null.

With bipoles, it's not critical.


Mounting a single pair of surrounds on the rear wall is not usually the best option for most people, but in your case the only other real option is to have dipoles at either side of the couch - one speaker on the wall and one on a stand or some sort of back wall-mounted plate or bracket (and possibly two bipoles on the rear wall as well if you want to go 7.1)

I'm getting a bit tired of repeating myself here. But as I said before - in your case, I'd either take the above option (probably with Paradigm ADP-190s), or do what I'm doing (which you can see by clicking on my signature below).
post #227 of 549
Quote:
Originally Posted by ShoutingMan View Post

Monopole (Bookshelf) speakers go on stands to the sides and slightly behind couch; that's my current setup. It's not ideal, as they're close to the the off-center couch sitting positions.

My -- admittedly meager -- understanding was that bi/dipoles were supposed to be wall mounted with the null aligned with the listening position. I can't wall mount on the left and be aligned to the null. I can mount on the rear wall, but that's also said to be a bad idea. I might be able to stand-mount bipoles and be aligned to the null; I'm not sure.

BIpoles don't have a null. They have a wide, 180 dispersion pattern with NO NULL! Bipoles could be a good option for you because they have NO NULL!

DIpoles do have a null that is to be aligned at 90 degrees to the listening position.

Craig
post #228 of 549
Thanks for the reiteration. I think that's the first explicit statement of nominal position of biopole / dipole speakers in this entire thread The difficulty is that I can't find an explicit description of the ideal location for bipole and dipole speakers. Not in this thread; not elsewhere. I'm making educated guesses from what is said.

Specific to the Paradigm ADP speakers, Paradigm never labels their surround speakers as dipole or bipole, so I don't which they are, much less their ideal placement. Looking at the manual, they show them placed on the wall, listener in the null; or in the corners.
post #229 of 549
Thread Starter 
Quote:
Originally Posted by ShoutingMan View Post

Thanks for the reiteration. I think that's the first explicit statement of nominal position of biopole / dipole speakers in this entire thread The difficulty is that I can't find an explicit description of the ideal location for bipole and dipole speakers. Not in this thread; not elsewhere. I'm making educated guesses from what is said.

Just think of bipoles as regular front-firing speakers, but with a wider spread.
You get more sound firing around the room and more reflections, and (generally) less distraction if you're sitting too close to them.

You can stick them almost anywhere you'd put bookshelf speakers, with a better surround effect.

Quote:
Originally Posted by ShoutingMan View Post

Specific to the Paradigm ADP speakers, Paradigm never labels their surround speakers as dipole or bipole, so I don't which they are, much less their ideal placement. Looking at the manual, they show them placed on the wall, listener in the null; or in the corners.

Those Paradigms are noteworthy because only the tweeters run out of phase.
The woofers are in phase, so you get better, deeper, uncompromised bass.
(Most other brands that do this, like Jamo and Polk, only use woofer.)

So basically - bipole woofers, dipole tweeters: The best of both worlds.

There's a white paper somewhere on Paradigm's site, but I had them confirm this by email.
post #230 of 549
Hey,

I want a combo direct/diffuse design dipole speaker (aka "Tripole") I believe these will give me the best of all worlds no matter the source material I use. The only two models I have found so far are:

M&K SS150 THX:


Cambridge Soundworks Newton Series S300 / Series II S305


Does anyone know of other speakers made with this design? Preferably with slightly larger drivers? Hopefully they are affordable.

Thanks.
post #231 of 549
Wow, no matches in this thread for these? Fluance AV-BP2

100 bucks a piece. Anyone have any input?
post #232 of 549
Thread Starter 
Quote:
Originally Posted by Timothy91 View Post

Hey,

I want a combo direct/diffuse design dipole speaker (aka "Tripole") I believe these will give me the best of all worlds no matter the source material I use. The only two models I have found so far are:
M&K SS150 THX:

Cambridge Soundworks Newton Series S300 / Series II S305

Does anyone know of other speakers made with this design? Preferably with slightly larger drivers? Hopefully they are affordable.
Thanks.

Tripoles? All I can say is - try before you buy.

I've never had the privilege of hearing tripoles, but I can imagine them not being diffuse enough enough, thanks to the front tweeter/woofer.
post #233 of 549
Thread Starter 
Quote:
Originally Posted by TonsOfSteel View Post

Wow, no matches in this thread for these? Fluance AV-BP2

100 bucks a piece. Anyone have any input?

Lookin' good.
Wish you could get them in Australia. The only cheap and cheerful bipoles here (that I know of) are made by Energy.
post #234 of 549
The Cambridge Soundworks S300s let you use either the dome tweeter for monopole use or the two cone tweeters for dipole/bipole use, but not together. It's not a tripole, in other words.
post #235 of 549
Quote:
Originally Posted by floridapoolboy View Post

The Cambridge Soundworks S300s let you use either the dome tweeter for monopole use or the two cone tweeters for dipole/bipole use, but not together. It's not a tripole, in other words.

Why the hell would they set it up like that? Direct and indirect radiating sound would be badass. Those stinking cheapskaters.
post #236 of 549
Quote:
Originally Posted by Timothy91 View Post

Why the hell would they set it up like that? Direct and indirect radiating sound would be badass. Those stinking cheapskaters.

Direct and indirect radiating... from one speaker??? Sounds like a bipole to me.

Craig
post #237 of 549
Thread Starter 
Quote:
Originally Posted by Timothy91 View Post

Why the hell would they set it up like that? Direct and indirect radiating sound would be badass. Those stinking cheapskaters.

It's not cheapskate at all. I think they're actually looking terrific for these reasons...

* Being able to switch from di/bipole to a straight front-firing speaker is great for those wanting monopole for multi-channel music.

* Having 2.5" mid/high drivers firing at the sides (rather than two smaller tweeters) should make for better diffusion.

* Nice looking, in black or white.

* 10 year warranty.

* Affordable!



My main gripe is the 4" woofer, which is a bit small. Pity they don't make a larger version with a 6.5" !

Is the switch at the front or back?

If anyone owns or has tried them out, let us know what you think...

Cambridge Soundworks S300 multipole
post #238 of 549
My existing L/C/Rs (Atlantic Technology 727 in-walls)


My proposed surrounds (Atlantic Technology 14 in-walls, although I'd like something with a sealed enclosure)


My proposed room layout


The plan has changed slightly, but this is a fairly accurate representation of my room. After reading this thread, I think I would benefit from the following:
-slide the two side surrounds from behind the first row to directly beside the first row, and place them approximately 2' above ear height. Currently, they are shown at the Dolby & THX recommended 110 degrees from screen centerline, but I believe that is better suited for monopole configurations.
-set the two side surrounds in dipole mode
-to work with existing wall framing, I will need to place the two rear surrounds closer together than shown. Since they will be fairly close to the rear seats, would these work better switched to bipole? I guess I can experiment.

Because my back row of seats is on a 12" riser, I'm not sure whether to keep the side & rear surrounds at the same height (2' above 1st row ears) or set the rears 1' higher to keep them 2' above the rear row ears.

Appreciate the feedback.
post #239 of 549
Hi,

I've just purchased 5.0 channel Energy speaker set with Denon AVR-1910 for home theater system. The speaker set is the following:

Front Left/Right: CF-30
Center: CC-5
Surrounds: CR-10

Since I do not have much chances to use subwoofer in apartment, I did not order subwoofer. Later, I will get it if I have chance.

I plan to install speakers in my living room which has three closed walls and one open side on the right. So, I wonder how I could set up surround speakers. For left surround, I could use either side or rear walls, but I could just use rear wall for right surround. In this situation, how do I have to position surround speakers for 5.0 channel.

Also, I saw CR-10 has option for bipole/dipole. I do not have any experience for these option. For this, do I have to position speakers vertically or horizontally? Which do I have to use for home theater system. Please, recommend and share your idea with me. Thank you.

Best regards,
Inchul
post #240 of 549
I have read through most of the posts in this thread, and
still can't determine the best speakers to use for my
surround channels and exactly where to locate them. Part
of the problem is that I haven't come across a configuration
that resembles mine exactly.

Details of my set-up:

o 5.1 DolbyDigital/DTS using core audio from BluRay
o Room dimensions are 15' wide x 20' long x 8' tall
o Front speakers are 9' apart on 15' wide wall
o Front left and front right are Proac Tablette 50
o Listening position is 14' from front wall, 6' from rear wall
o Due to room layout, surround speakers must be mounted on
rear wall

o Rear channels will be used primarily for movies, and
very rarely for music (SACD, etc)

I currently have in-wall wiring run to the rear wall. Two
single-gang boxes contain the wire, one for the left surround
and the other for the right surround. Each of these boxes is
located 7' high and 3' in from each corner. I am willing to
relocate these boxes if it will make a substantial difference,
but they must remain on rear wall.

Please advise as to which type of speaker would work best
as well as mounting location.

Thanks in advance.
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