Active speakers

La Boite concept LD130 1,180

Active 2.1 with built-in USB DAC

Lenard Audio Sarabande

System 4-way active
Cabinet Circular box, isobaric (bass)
Price AU$ 10,000 (pair)
100 Watt amp for the tweeter (harmonics)
100 Watt amp for the 5 inch speaker (upper voice)
100 Watt amp for the 8 inch speaker (lower voice)
2 x 100 Watt amps for the 2 x 12 inch speakers (sub-bass)
Digital input


Analogue input RCA/XLR

Linkwitz-Riley 4th order time aligned

20 - 100 Hz

100 - 600 Hz

600 - 6000 Hz

6000 - 20000 Hz


Siegfried Linkwitz 1935-2018


Siegfried Linkwitz was well known as the co-inventor of the Linkwitz–Riley filter along with Russ Riley. He has submitted several important technical papers to the Journal of the Audio Engineering Society and other related publications, which have become foundational to modern loudspeaker theory. Wikipedia

Linkwitz Lab Orion

System Full-range open-baffle loudspeaker
Price Starting at $8200 (pair)

Tweeter - Seas T25CF002 - 1.4 kHz to 20 kHz

Midrange - Seas W22EX001 - 120 Hz to 1.4 kHz

Woofer - 2 x Peerless 10" XLS, 830452 - 20 Hz to 120 Hz 

Digital input


Analogue input yes

8 x 60 W power amplifiers - AT6012 recommended


3-way active Crossover/Equalizer

LR4 crossover filters (24 dB/oct acoustic)


DIY also possible.

ASP/crossover assembled and tested: $1030

Flat pack kit with everything needed to built the boxes, including wiring harness: $1300

Drivers: 4 tweeters, 2 mids, 4 woofers: $1850

12 channel ATI amp: $1800



Linkwitz Lab Pluto 2.1


Omni-directional 2-way

Acoustic frequency response: 60 Hz to 15 kHz

12 dB/octave roll-off below 60 Hz, Omni-directional radiation below 3 kHz

Price $2995
Cabinet 4 inch and 1.5 inch or equivalent metric PVC or ABS plumbing pipesend associated end caps, knees and pipe couplers
Digital input


Analogue input RCA?

Woofer amplifier 150 W peak, Tweeter amplifier 50 W peak

Crossover Equalized woofer and tweeter response, Crossover at 1000 Hz, LR4 (24 dB/oct)


DIY possible.

Subwoofers also available

Linkwitz Lab LX521

  • 4-way loudspeaker system with woofer, lower midrange, upper midrange and tweeter
  • 3-way ASP crossover/equalizer with LR4 filters at 120 Hz and 7 kHz,
    assembled on two ORION ASP printed circuit boards
  • Passive 1st order crossover between lower midrange and upper midrange at 1 kHz,
    located in base of midrange/tweeter baffle


More Specifications