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

 

 

What's new

 

LX - Store

 

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 design

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

The LXmini 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 is a 2-way loudspeaker, which can be built DIY from a Kit for around $800, including miniDSP 2x4HD equalizer/crossover. Additionally, 4 power amplifiers in the 50 W to 200 W range are needed. The speaker's frequency range extends from 45 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. 

Physics limits the maximum sound level output from a 5 inch woofer below 150 Hz. A gradual, 12 dB/octave low end roll-off provides satisfactory bass extension below 50 Hz. For LXmini+2 I added separate subwoofers for bass extension to 25 Hz. If you plan to upgrade in the future from LXmini to LXmini+2, then use the miniDSP 4x10HD for LXmini.   ----   SL - 8/16

 

 

 

LXmini Construction Plans/License
and ATI Amplifiers from

www.linkwitzlab.com

LXmini Construction Plans/License .... $105
Plans/License is also required to purchase kits and assembled systems. 

AT1804 Power Amplifiers (4x 180W/ch) .... $1450
AT524NC Power Amplifiers (4x 200W/ch) .... $2295
AT6012 Power Amplifiers (12x 60W/ch) .... $1950
Alternatively provide four power amplifiers (4x 50W/ch minimum & identical voltage gain for each channel, <0.03% dist.) 

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

 

 

 

LXmini DSP Module from www.miniDSP.com

miniDSP 2x4 .... $105
miniDSP 2x4 Advanced plug-in / 48kHz processing .... $10
2-in analog, 4-out analog, 0.9V

miniDSP 2x4 HD .... $205
miniDSP 2x4 HD1 plug-in / 96kHz processing .... $10
2-in analog, 2-in digital, 4-out analog, 2V, remote volume

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 Kit from www.madisound.com

LXmini Kit .... $618
The LXmini Kit includes: 2-Woofers, 2-Fullrange drivers, miniDSP 2x4HD, wood parts and related items, stuffing, but no pipes and rubber couplers.
Alternatively, LXmini Kit with miniDSP 2x4 .... $510

              

                                

                 

Contact: Adam Johnson

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |

 

 

 

LXmini Kit from www.magicLX521.com

LXmini Loudspeaker Parts .... €499
4 SEAS drivers, screwless driver mounts, top quality mitered HDF parts, hidden cabling, 
precision cut import tubes, capless tube mount.
Tubes and HDF parts come predrilled/marked, unlaquered.

Kits with lacquered tubes or with transparent acrylic glass tubes available as upgrade .... €699
Individual lacquering schemes upon request

Worldwide shipping: e.g. EU 20€ / US&CAN 58€ / World 78€

EU residents add 19% VAT

  • 4 SEAS drivers
  • Precision cut tubes, predrilled
  • CNC'ed HDF parts in dull black (high density wooden material, 
    without the downsides of MDF like soaking edges, etc)
  • Screwless fullrange 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

                        

screwless fullrange
mounting device

capless tube 
mounting

elegant SpeakOn
terminal on rear side

hidden cables

Kit does not contain: electronic crossover/amp/amp-cables, paint, glue, plans/license from www.linkwitzlab.com..

Contact: Dr. Frank Brenner, info@magicLX521.com

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@magicLX521.com>

 

 

 

LXmini Electronics from www.magicLX521.com

 

DSP / Pre-amplifier / 4 Power-amplifiers

 

PowerBox 4180 .... €1890
Everything between your CD-player and LXmini in one slim case.
PowerBox 4180 includes high-end 6-ch Hypex DSP, preamp and 4x UcD180 power amps
IR remote receiver for volume control

Two woofer signal outputs (ch 5 & 6) allow external amplification. by:
PowerAmp 2180 or PowerAmp 4182pro for LX dipole woofers of LXmini+2 or LXstudio

Adding another PowerBox 4180 (=Follower) allows 8-ch amplification for LX521.4.

Speaker Y-cable .... €89
Between PowerBox 4180 and LXmini 
One Y-cable,
2x 2,5m, with three "1-click” SpeakOn connectors, 4x 2,5mm² conductors

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

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

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

           

 

 

Contact: Dr. Frank Brenner, info@magicLX521,com

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@magicLX521.com>, if already bought.

 

 

 

LXmini Turnkey System from www.magicLX521.com

 

LXmini Loudspeaker System .... €3490

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

 

                                                  

            

 

 

The System contains:

Assembled & tested 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.

PowerBox 4180 
Everything between your CD-player and LXmini in one slim case.
PowerBox 4180 includes high-end Hypex DSP, preamp and 4x UcD180 power amps.
IR-remote receiver for volume control. Upgrade path to other LX speakers possible.

Speaker Y-cable 
Between PowerBox 4180 and LXmini 
One Y-cable,
2x 2,5m, with three "1-click” SpeakOn connectors, 4x 2,5mm² conductors

2x PowerBox input cable
Analog input cable/adapter pair, RCA-to-XLR. 

Worldwide shipping: e.g. EU 29€ / US&CAN 85€ / World 109€, plus €15 shipping insurance

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

Contact: Dr. Frank Brenner, info@magicLX521.com

Plans/License is required to purchase kits and assembled systems.  | Terms & Conditions |
Send proof of Plans/License ownership to <plans@magicLX521.com>, if already bought.

 

 

 

www.linkwitzworks.com

 

 

 

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: 02/13/2017   -  © 1999-2017 LINKWITZ LAB, All Rights Reserved