----- Experience in your own room the magical nature of stereo sound -----

 

 

What's new

 

LX - Store

 

BLACKLIST

 

Conversations
with Fitz

 

OPLUG
Forum

 

Basics

The Magic in 2-Channel Sound

Issues in speaker
design

Dipole models

Active filters

Amplifiers etc

Microphone

FAQ's

Loudspeakers

Crossovers

Room acoustics

Stereo Recording and Rendering

Audio production

Conclusions

 

Projects

Your own desig

LXmini

LXmini+2

LXstudio

LX521.4

LX521
reference

ORION
challenge

ORION-3.4

PLUTO-2.1

WATSON-SEL

PLUTO+
subwoofer

THOR
subwoofer

PHOENIX
dipole speaker

Three-Box active
system (1978)

Reference
earphones

Surround
sound

Loudspeaker
& Room

 

Resources

Publications

Sound recordings

Links

Other designs

My current setup

About me

Site map

 

HOME

 

------------------
Digital Photo
Processes

 

------------------
The
Sea Ranch

 

------------------
My Daughter
the Jeweler

 

What's new

 

LX - Store

 

Conversations
with Fitz

 

OPLUG
Forum

 

 

 

LX - Loudspeaker Store

LXmini  --  LXmini+2  --  LXstudio  --  LX521.4

        

 

LXmini+2

The LXmini+2 was designed to render sound recordings with clarity, neutrality and with detailed, 3D-like imaging, when properly set up. The speakers will reveal what is in a recording, but never add unpleasantness. You will get lost in the music and have a big smile on your face, guaranteed!

The LXmini+2 is a 3-way loudspeaker, which can be built DIY from a Kit for around $1800, including a miniDSP 4x10HD equalizer/crossover. Additionally, 6 power amplifiers in the 50 W to 200 W range are needed.  The speaker's frequency range extends from 25 Hz to 20 kHz. The horizontal and vertical off-axis frequency response, which is heard via the room, is spectrally neutral. Thus, listening off-axis merely changes the viewing angle to the phantom acoustic scene rendered by the seemingly absent loudspeakers. 

With an LR2 crossover at a low 60 Hz the two subwoofers can be placed next to or against the side walls of a room. Path length differences to the listener can be compensated for in the DSP unit. Dipole woofers can also be angled to reduce room mode excitation and thus preserve articulation in bass sounds.

The LXmini+2 performs sonically like the LX521.4 and comes close to the full-range dipole's ultimate refinement of sound presentation, though at 10 dB reduced volume levels in the bass.    

(An upgrade from LXmini to LXmini+2 requires addition of two LXsub2 subwoofers, a stereo power amplifier (2x 50 W min), and a miniDSP 4x10HD)  ----   SL - 8/16

 

 

 

LXmini+2 Construction Plans/License
and ATI Amplifiers from

www.linkwitzlab.com

LXmini+2 Construction Plans/License .... $160
Plans/License is also required to purchase kits and assembled systems. 

AT6012 Power Amplifiers (12x 60W/ch) .... $1950
AT1806
Power Amplifier (6x 180W/ch) .... $1850
AT526NC Power Amplifiers (6x 200W/ch) .... $2895

Alternatively provide six power amplifiers (6x 50W/ch minimum & identical voltage gain for each channel, <0.03% dist.)
The Emotiva A-800 8-channel amplifier could be a low cost, satisfactory performance solution for LXmini, or LXmini+2, or LXstudio applications.

CA residents add 9% Sales Tax

Take a look at a Digital Stereo Sound System example
Check out your system and hearing with a Phantom Image Test

 

 

 

LXmini+2 DSP Module from www.miniDSP.com

2x miniDSP 2x4 .... $210
miniDSP 2x4 Advanced plug-in / 48kHz processing .... $10
2-in analog, 8-out analog, 0.9V

miniDSP 4x10 HD .... $499
miniDSP 4x10 plug-in / 96kHz processing .... $10
2-in analog, 2-in digital, 8-out analog, 2V, local knob and remote volume

      

 

 

 

LXmini subwoofer add-on from OPLUG Forum

Sealed box subwoofers for the LXmini. A cost effective solution when bass is lacking

           

 

 

 

LXmini+2 Kit from www.madisound.com

2x Open Baffle Subwoofer Flat Pack .... $622
Includes wood, mounting hardware and two SEAS 10" drivers

     

 

 

 

LXmini+2 Kit from www.LINKWITZ.store

LXmini+2 Kit 
  • 4+2 SEAS drivers
  • Precision cut tubes, predrilled
  • CNCed HDF parts in dull black (high density wooden material, without the downsides of MDF like soaking edges, etc)
  • Screwless FR driver mount, no visible screws on upper tube 
  • Capless lower tube mount 
  • Screwless upper tube support 
  • 2 Speakon 4-way plugs “1-click”
  • Internal cables
  • Rubber couplers
  • Damping material
  • Dowel joints avoid visible screws
  • Internal cables
  • U-frame woofers 

Kit does not contain: electronic crossover/amp/amp-cables, paint, glue, license/plans 
Upgrades available on request: transparent tubes, lacquered tubes, etc.

Worldwide shipping: LXmini+2 Kit incl. drivers ca EU 59€ / US&CAN 149€ / World 189€

     

    

  ---------------------------------------------------------------------------------------------------------------

LXmini to LXmini+2 Upgrade Kit 
Woofer +2 Kit plus 2 SEAS woofer drivers and Neutrik SpeakON plugs

           

Worldwide Shipping: LXmini+2 Upgradr Kit incl. drivers:  EU 39€ / US&CAN 89€ / World 109€

 

---------------------------------------------------------------------------------------------------------------

 

 

PowerBox 4180  
Includes high-end DSP, preamp and 4 power amps from Hypex. 
PowerBox 4180 drives the LXmini part and delivers the processed woofer signal for an external woofer amplifier: 

or

PowerBox 6pro NCore ....  "All in one" solution.

  • The PowerBox 6 pro NCore is a preamp with volume control, a 6-ch DSP with 6ch-DAC, feeding 6 NCore amplification channel (power amplifier) in one slim but massive powder-coated aluminum top with brushed stainless steel front plate.
  • Digital inputs: RCA, optical, XLR, AES/EBU, USB
  • Analogue inputs: Two pairs of true balanced analogue inputs (RCA-XLR converter cables available)
  • Optimized, fully balanced internal system layout, allowing shortest signal traces, minimizing losses and artifacts.
  • Filter programming for LXMINI; LXmini+2 or LXstudio, LX521.4: Includes remote volume control.
  • An additional PowerBox 6pro NCore (Follower, €2490 ) allows upgrade to LX521.4 operation.
  • See Burning Amp 2016 and Open House 2017 and PB 6pro PDF
  •  

or

NEW

ASP-based, fully integrated  PowerBox 6pro precision analog

ASP and 6x NCore amplifier channels, rumble filter. For LXmini, LXmini+2, LXstudio

 

 

 

2x Speaker Y-cable .... €178
“1-click” SpeakOn, Y-cable between PowerBox 4180 and LXminis, 2x 2,5m
“1-click” SpeakOn, Y-cable between PowerBox 6pro NCore and Woofers, 2x 2,5m
(4x 5,0m .... €218)

Contact: Dr. Frank Brenner, info@LINKWITZ.store

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@LINKWITZ.store>

 

 

 

 

LXmini+2 Electronics from www.LINKWITZ.store

 

DSP / Pre-amplifier / Power-amplifiers

 

PowerBox 4180 .... 1890
Includes high-end DSP, preamp and 4 power amps from Hypex. 
PowerBox 4180 drives the LXmini part and delivers the processed woofer signal for an external woofer amplifier: 

or

PowerBox 6pro NCore .... 2490 . "All in one" solution.
0 . "All in one" solution.
Includes high-end DSP, preamp and 6 Ncore power amps from Hypex. Remote volume control.
For future upgrades...an additional PowerBox 6pro NCore (Follower, €2490 ) allows upgrade to LX521.4 operation.
See Burning Amp 2016 and Open House 2017 and PB 6pro PDF

or

NEW

ASP-based, fully integrated  PowerBox 6pro precision analog

ASP and 6x NCore amplifier channels, rumble filter. For LXmini, LXmini+2, LXstudio

 

 

2x Speaker Y-cable .... €178
“1-click” SpeakOn, Y-cable between PowerBox 4180 and LXminis, 2x 2,5m
“1-click” SpeakOn, Y-cable between PowerBox 6pro NCore and Woofers, 2x 2,5m

Worldwide shipping: e.g. EU 25€ / US&CAN 79€ / World 85€, plus 15€ insurance

EU residents add 19% VAT

  • The PowerBox is a preamp with volume control, a 6-ch DSP with 6ch-DAC, feeding a 4-channel power amplifier in one slim but massive powder-coated aluminum top with brushed stainless steel front plate.
  • Digital inputs: RCA, optical, XLR, AES/EBU, USB
  • Analogue inputs: Two pairs of true balanced analogue inputs (RCA-XLR converter cables available)
  • Optimized, fully balanced internal system layout, allowing shortest signal traces, minimizing losses and artifacts.

Contact: Dr. Frank Brenner, info@LINKWITZ.store

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@LINKWITZ.store>

 

 

 

LXmini+2 Turnkey System from www.LINKWITZ.store

 

LXmini+2 Loudspeaker System

Loudspeakers / DSP / Pre-amplifier / 4 Power-amplifiers

 

    

 

The System contains:

2x LXmini Loudspeakers
Dull black lacquered HDF parts and tubes, capless tube mount, screwless fullrange mount.
Alternatively, with transparent acrylic glass tubes. Individual lacquering schemes upon request.

2x LXsub2 Woofers
U-frame woofers, round baffle, dull black lacquered finish

1x PowerBox 6pro NCore ....  "All in one" solution.

  • The PowerBox 6 pro NCore is a preamp with volume control, a 6-ch DSP with 6ch-DAC, feeding 6 NCore amplification channel (power amplifier) in one slim but massive powder-coated aluminum top with brushed stainless steel front plate.
  • Digital inputs: RCA, optical, XLR, AES/EBU, USB
  • Analogue inputs: Two pairs of true balanced analogue inputs (RCA-XLR converter cables available)
  • Optimized, fully balanced internal system layout, allowing shortest signal traces, minimizing losses and artifacts.
  • Filter programming for LXMINI; LXmini+2 or LXstudio, LX521.4: Includes remote volume control.

2x Speaker Y-cable .... €178
“1-click” SpeakOn, Y-cable between PowerBox 6pro NCore and LXminis, 2x 2,5m
“1-click” SpeakOn, Y-cable between PowerBox 6pro NCore and Woofers, 2x 2,5m

 

Worldwide shipping in  4 parcels: e.g. EU xx€ / US&CAN xx€ / World xxx€, plus €45 insurance

EU residents add 19% VAT
Includes License/plan fee to www.linkwitzlab.com

Contact: Dr. Frank Brenner, info@LINKWITZ.store

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@LINKWITZ.store>, if already bought.

 

 

 

https://LXspeakerfactory.com/

LXmini, LXmini w/Subs, Orion4d turnkey systems. 


 

 

 

 

 

LX - Loudspeaker Store

LXmini  --  LXmini+2  --  LXstudio  --  LX521.4

        

 

 

 

 

 

What you hear is not the air pressure variation in itself 
but what has drawn your attention
in the streams of superimposed air pressure variations 
at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space
Have they been recorded and rendered sensibly?

___________________________________________________________
Last revised: 02/15/2023   -  © 1999-2019 LINKWITZ LAB, All Rights Reserved