Omni-directional Speakers

Matthew J Poes

AV Addict
Joined
Oct 18, 2017
Messages
1,903
Sorry, pm'd you before reading this. Shame! Basic AES membership is $150 yr (?) and now gives full access to e-library, every paper ever published! Worth it's weight in gold.
That paper is critical to the entire subject. Feel free to ask Earl about ;-)

I wrote you back in the PM too, but I will try to obtain. Maybe the author will send me a copy. I was a member when I was a student, but once I couldn't get the student rate it was too much. I may rejoin if all of this grows for me, but right now it's too much to spend on what is mostly a hobby for me. My acoustics business doesn't make enough money right now to justify this, and I have other business expenses I need to make first.
 

tesseract

Senior Admin
Joined
Nov 12, 2016
Messages
1,266
Location
Lincoln, NE
More  
Preamp, Processor or Receiver
Emotiva XMC-1
Main Amp
Emotiva XPA-2 Gen 2
Additional Amp
Emotiva XPA-3 Gen 2
Other Amp
Dayton SA1000
Universal / Blu-ray / CD Player
Sony BDP S590 & Pioneer DV-610AV
Front Speakers
JTR NOESIS 210 RT - L/R mains
Center Channel Speaker
Chase SHO-10 - Center
Surround Speakers
Chase PRO-10 - Surrounds
Subwoofers
Chase VS-18.1 x 2 - Subwoofers
Video Display Device
Vizio E550VL
Streaming Subscriptions
h/k TC35C/Ortofon Super OM10/Pro-Ject Phono Box S
I think Wayne may have built one of the Linkwitz speakers, so he can comment on those. My experience was at a fellow Audiophiles house, so my time was limited. A few hours maybe at most.

I've heard Wayne's and a couple of other pairs, all in different rooms. They are champion SS&I performers, as one would expect from Siegfried.
 

Matthew J Poes

AV Addict
Joined
Oct 18, 2017
Messages
1,903
I've heard Wayne's and a couple of other pairs, all in different rooms. They are champion SS&I performers, as one would expect from Siegfried.

Yeah most of his speakers are. He’s an imaging guy. I actually was reading more on the dispersion of those speakers and realized he called them monopoles in one of his articles. I guess they aren’t Omni. Bass is Omni (as are all monopoles in a small space) but the full range is pointed at the listener causing a very directional dispersion. Hence why he calls them monopoles I suppose.
 

Todd Anderson

Editor / Senior Admin
Staff member
Joined
Jan 20, 2017
Messages
9,141
Location
Balt/Wash Metro
More  
Preamp, Processor or Receiver
StormAudio ISP.24 MK2
Main Amp
Emotiva XPA-5
Additional Amp
Emotiva XPA Gen3 2.8 multichannel amp
Other Amp
Denon X8500H
Computer Audio
AudioEngine A2+
DAC
THX ONYX
Universal / Blu-ray / CD Player
Kaleidescape TERRA, OPPO UDP-203, Panasonic UB9000
Front Speakers
GoldenEar Technology Triton One.R
Center Channel Speaker
GoldenEar Technology SuperCenter Reference
Surround Speakers
SVS Ultra Surround
Surround Back Speakers
SVS Ultra Bookshelf
Front Height Speakers
SVS Prime Elevation x4 (Top Front, Top Mid-Front)
Rear Height Speakers
SVS Prime Elevation x4 (Top Middle, Top Rear)
Subwoofers
dual SVS SB16s + dual PSA XS30s
Other Speakers or Equipment
Behringer 1124p; Aura Bass Shaker Pros; SuperSub X
Video Display Device
JVC NX7
Screen
Seymour Screen Excellence, Enlightor NEO AT Screen
Streaming Equipment
iFi Audio Zen Blue
Streaming Subscriptions
Qobuz, TIDAL, Spotify, ROON
Other Equipment
LG Electronics 65-inch B6 OLED, Sony 65-inch X900F, ZeroSurge 8R15W x 2, ZeroSurge 2R15W x 2
I've head the LXmini's on several occasions. They sound fantastic, IMO, but are a tad thin on the low end. Paired with a good sub, and I think they're a winner!
 

Eric SVL

Member
Thread Starter
Joined
May 1, 2017
Messages
173
More  
Preamp, Processor or Receiver
Denon AVR-X4500H
Main Amp
Hypex NCore NC252MP
Computer Audio
iLoud MTM
DAC
Micca OriGen G2
Universal / Blu-ray / CD Player
Sony PS3, PS4
Front Speakers
Buchardt S400
Surround Speakers
Polk LSiM 702
Front Height Speakers
Focal Chorus OD 706 V
Rear Height Speakers
Focal Chorus OD 706 V
Subwoofers
Rythmik
Other Speakers or Equipment
ELAC Debut Reference DFR52
Screen
Samsung PN64H5000
Streaming Equipment
Google Chromecast
Streaming Subscriptions
GIK Tri-Traps
Added a couple more from ze Germans: Duevel and MBL.
 

Grayson Dere

Moderator
Staff member
Joined
Dec 19, 2018
Messages
616
Location
Bay Area, CA
More  
Preamp, Processor or Receiver
Integra DTR 7.8
Main Amp
Class D Audio: SDS-470CS
Additional Amp
Shellbrook Audio Hybrid Head headphone amp
Universal / Blu-ray / CD Player
Sony UBP-X700
Front Speakers
Vandersteen Model 2
Subwoofers
SVS PB-2000
Other Speakers or Equipment
Grado SR 325is headphones
Video Display Device
JVC DLA-X75
Screen
Elite Screen 120"
Streaming Subscriptions
Origin Live Aurora MKIII turntable
I've been running a pair of Silent Speakers designed by Winslow Burhoe for my 2-channel music for a few years now. Even though the sound can be somewhat slightly diffused when compared to a direct radiating speaker it is very LARGE sounding as if the entire wall behind the speakers are putting out the music..for the size of the speakers the bass response is phenomenal, too. Also, the designer has interesting philosophy in the speaker's placement in the room:

From the Silent Speaker website: http://directacoustics.com/?page_id=16

Room Acoustics
“Silent Speakers” are designed for specific room placement, for example, against a wall and sitting on the floor. Drive units are on a slanting baffle, facing up, in order to help avoid creating standing waves and room acoustics.

Screen Shot 2019-03-18 at 8.32.00 PM.jpg
 

tesseract

Senior Admin
Joined
Nov 12, 2016
Messages
1,266
Location
Lincoln, NE
More  
Preamp, Processor or Receiver
Emotiva XMC-1
Main Amp
Emotiva XPA-2 Gen 2
Additional Amp
Emotiva XPA-3 Gen 2
Other Amp
Dayton SA1000
Universal / Blu-ray / CD Player
Sony BDP S590 & Pioneer DV-610AV
Front Speakers
JTR NOESIS 210 RT - L/R mains
Center Channel Speaker
Chase SHO-10 - Center
Surround Speakers
Chase PRO-10 - Surrounds
Subwoofers
Chase VS-18.1 x 2 - Subwoofers
Video Display Device
Vizio E550VL
Streaming Subscriptions
h/k TC35C/Ortofon Super OM10/Pro-Ject Phono Box S

Grayson Dere

Moderator
Staff member
Joined
Dec 19, 2018
Messages
616
Location
Bay Area, CA
More  
Preamp, Processor or Receiver
Integra DTR 7.8
Main Amp
Class D Audio: SDS-470CS
Additional Amp
Shellbrook Audio Hybrid Head headphone amp
Universal / Blu-ray / CD Player
Sony UBP-X700
Front Speakers
Vandersteen Model 2
Subwoofers
SVS PB-2000
Other Speakers or Equipment
Grado SR 325is headphones
Video Display Device
JVC DLA-X75
Screen
Elite Screen 120"
Streaming Subscriptions
Origin Live Aurora MKIII turntable
Those look a lot like these Neat Acoustic speakers, that sounded surprisingly large when I heard them.

http://neatacoustics.com/iota-alpha/

Yes! they do look very much like the Neat Acoustics speakers. I wonder if the large sound experience has more to do with the angled up firing direction causing reflections back to the listener from the rear-wall/ceiling more than anything else...
 

Eric SVL

Member
Thread Starter
Joined
May 1, 2017
Messages
173
More  
Preamp, Processor or Receiver
Denon AVR-X4500H
Main Amp
Hypex NCore NC252MP
Computer Audio
iLoud MTM
DAC
Micca OriGen G2
Universal / Blu-ray / CD Player
Sony PS3, PS4
Front Speakers
Buchardt S400
Surround Speakers
Polk LSiM 702
Front Height Speakers
Focal Chorus OD 706 V
Rear Height Speakers
Focal Chorus OD 706 V
Subwoofers
Rythmik
Other Speakers or Equipment
ELAC Debut Reference DFR52
Screen
Samsung PN64H5000
Streaming Equipment
Google Chromecast
Streaming Subscriptions
GIK Tri-Traps
I think if I did a DIY speaker project, it would be the LXmini. They could be really good near-field computer speakers, and free up a lot of space on my desk, too. Put a Rythmik sub near the desk and I'd be set.

Does anyone know if one can still purchase the plans from his site? Otherwise he has options listed here, http://www.linkwitzlab.com/LXmini/Construction.htm, one of which includes the plans. It gets a bit pricey and I am not sure if they ship to this side of the pond.
 
Last edited:

Eric SVL

Member
Thread Starter
Joined
May 1, 2017
Messages
173
More  
Preamp, Processor or Receiver
Denon AVR-X4500H
Main Amp
Hypex NCore NC252MP
Computer Audio
iLoud MTM
DAC
Micca OriGen G2
Universal / Blu-ray / CD Player
Sony PS3, PS4
Front Speakers
Buchardt S400
Surround Speakers
Polk LSiM 702
Front Height Speakers
Focal Chorus OD 706 V
Rear Height Speakers
Focal Chorus OD 706 V
Subwoofers
Rythmik
Other Speakers or Equipment
ELAC Debut Reference DFR52
Screen
Samsung PN64H5000
Streaming Equipment
Google Chromecast
Streaming Subscriptions
GIK Tri-Traps

Grayson Dere

Moderator
Staff member
Joined
Dec 19, 2018
Messages
616
Location
Bay Area, CA
More  
Preamp, Processor or Receiver
Integra DTR 7.8
Main Amp
Class D Audio: SDS-470CS
Additional Amp
Shellbrook Audio Hybrid Head headphone amp
Universal / Blu-ray / CD Player
Sony UBP-X700
Front Speakers
Vandersteen Model 2
Subwoofers
SVS PB-2000
Other Speakers or Equipment
Grado SR 325is headphones
Video Display Device
JVC DLA-X75
Screen
Elite Screen 120"
Streaming Subscriptions
Origin Live Aurora MKIII turntable
I think if I did a DIY speaker project, it would be the LXmini. They could be really good near-field computer speakers, and free up a lot of space on my desk, too. Put a Rythmik sub near the desk and I'd be set.

Does anyone know if one can still purchase the plans from his site? Otherwise he has options listed here, http://www.linkwitzlab.com/LXmini/Construction.htm, one of which includes the plans. It gets a bit pricey and I am not sure if they ship to this side of the pond.

Those speakers were at the CA Audio Show a few years back...they sounded incredibly lifelike from what I remember. I don't know what electronics were used
as the source/pre-amp/amp but the whole system was phenomenal in both dynamics and clarity.

Thank you for reminding me of these as I forgot the maker/brand : )
 

Eric SVL

Member
Thread Starter
Joined
May 1, 2017
Messages
173
More  
Preamp, Processor or Receiver
Denon AVR-X4500H
Main Amp
Hypex NCore NC252MP
Computer Audio
iLoud MTM
DAC
Micca OriGen G2
Universal / Blu-ray / CD Player
Sony PS3, PS4
Front Speakers
Buchardt S400
Surround Speakers
Polk LSiM 702
Front Height Speakers
Focal Chorus OD 706 V
Rear Height Speakers
Focal Chorus OD 706 V
Subwoofers
Rythmik
Other Speakers or Equipment
ELAC Debut Reference DFR52
Screen
Samsung PN64H5000
Streaming Equipment
Google Chromecast
Streaming Subscriptions
GIK Tri-Traps

tesseract

Senior Admin
Joined
Nov 12, 2016
Messages
1,266
Location
Lincoln, NE
More  
Preamp, Processor or Receiver
Emotiva XMC-1
Main Amp
Emotiva XPA-2 Gen 2
Additional Amp
Emotiva XPA-3 Gen 2
Other Amp
Dayton SA1000
Universal / Blu-ray / CD Player
Sony BDP S590 & Pioneer DV-610AV
Front Speakers
JTR NOESIS 210 RT - L/R mains
Center Channel Speaker
Chase SHO-10 - Center
Surround Speakers
Chase PRO-10 - Surrounds
Subwoofers
Chase VS-18.1 x 2 - Subwoofers
Video Display Device
Vizio E550VL
Streaming Subscriptions
h/k TC35C/Ortofon Super OM10/Pro-Ject Phono Box S
Top Bottom