LFR1100 Active Omnidirectional Speakers

LFR1100 Active Omnidirectional Speakers
$4,980.00

The first omnidirectional speaker in our collection, the award-winning LFR1100.

The LFR1100 is the brainchild of Andrew Welker and Ian Colquhoun. This omnidirectional wonder solves the problem of typical bipole or dipole speakers: they typically provide incredible depth of soundstage, but images tend to be ill-defined and washed-out.

By using a sophisticated DSP to tailor the response of each complement of drivers, front and rear, Axiom was able to overcome this bipole/dipole limitation to create the first omnidirectional speaker that preserves the spacious sound enthusiasts love, but with the same neutral tonal balance and pinpoint imaging for which Axiom speakers are renowned. The result? 2-D imaging is suddenly brought into a 3-D soundstage, immersing the listener and enveloping your senses. No matter where in the room you are!

"The first thing we noticed about the 1100's, before their brilliant accuracy and fiercely disciplined hurricane-force, was the astonishing width of the sound stage and breadth of the center image. The tandem team of front and rear-firing drivers used the backdrop of our test room to create a perfect synthesis between the speaker faces, bringing a whole new meaning to the phrase "wall of sound".
Ryan Waniata , Digital Trends
LFR1100 top-down view
Woofer

Traditionally, bipole/dipole designs have been plagued by a persistent problem: the spacious presentation sounds great for a while, but eventually it becomes off-putting because you can't isolate soloists or pinpoint actions. Axiom met this challenge by innovating a way to apply psychoacoustic principals to create speakers that offer the best of both forward radiating and bipole designs. Extensive customization of the frequency response of the rear drivers, working in conjunction with a more subtle customization of the front drivers, creates a seamless soundstage with minimal roll-off at the top end, even at extreme angles away from the sweet spot. You'll still marvel at the sense of the speakers' soundfield opening up before you, but the image detail doesn't shift at all.

"The LFR1100 is absolutely crystalline in its output and the level of detail is just mind blowing. I cannot believe I am saying this, but it is literally like having the artist in the room with you."
-- Dale Rasco, HomeTheaterShack
"I always look for speakers that melt the walls away and transport me to the concert hall; or into the world of the movie I'm watching. The LFR-1100s did this in a way I didn't think was possible; especially for a speaker pair that costs less (way less!) than $25,000."
-- Chris Eberle, Secrets of Home Theater and High Fidelity

This speaker provides serious sound power: the amount of energy radiated into the room from 11 drivers will blow your mind! The front baffle features three High Powered 6.5-inch woofers, two 5.25-inch midrange/woofers, and two 1-inch tweeters, with our signature vortex port in the bottom. The rear baffle adds three more vortex ports, two more 5.25-inch midrange/woofers, and another two 1-inch tweeters. If you haven't guessed already, it takes some serious amplification to drive these speakers! Four matched channels of amplification in total, in fact: right front, left front, right rear, and left rear all need to be powered separately and it makes these speakers truly sing.

Speaker Construction

Axiom's DSP
Axiom's DSPAxiom's DSP1, included with the LFR1100s.

The DSP included with the LFR1100s separates the front right and left channels into these four channels. The DSP included is in a stand-alone case that sits between your preamplifier or receiver and the amplifier. The DSP accepts the main right and left channels from the preamplifier through RCA connects or from your receiver through High Level speaker connections and outputs right front, right rear, left front, and left rear channels for your amplifier.

You can also choose in Customize Yours some upgraded and integrated versions of the DSP. There is another stand-alone version of the DSP that does not have the High Level inputs but instead has both RCA and Balanced in and out. Then there are two version of and integrated DSP and amplifier. Both versions include our ADA1000-4 amplifier with the DSP built into it. The one version accepts either a pre-out or high level (speaker wire) out from your pre-amp or receiver. The other version will accept up to 3 independent sources (i-pod, CD player, etc) and has an input selector switch, a balance control, and a volume control on the front panel.

The speaker has a nominal impedance of 4 ohms, front and rear, and a frequency response of 31 Hz – 20 kHz -3dB and measures 48 inches / 1207 mm tall.

Questions We Get All the Time

Why a Digital Signal Processor (DSP) for the LFR1100?

In order to get optimal integration between the front and rear drivers each set of drivers needs to have a very unique set of amplitude response curves. This isn't possible to do with a passive network, so we employ the power of a DSP to ensure we end up with the desired family of curves measured all the way around the speaker. This ensures complete control over the midrange fidelity of the omnidirectional speaker, and keeps it from suffering from a lack of image focus or spectral neutrality which is so often a problem with omnidirectional designs. The DSP tailors phase response between the front and back sections, as well as the amplitude response characteristics.

Specifications

All Axiom Tower Speakers feature:

  • Titanium Tweeters

  • Aluminum Woofers (and Midranges where applicable)

  • Anti-Standing-Wave cabinets that suppress internal resonances which color sound

  • Vortex-ported cabinets to reduce port noise

  • 5-way gold-plated binding posts


Enclosure Triple Vortex / Reflex
Max RMS Amp Wattage 600 Watts
Max Dynamic Amp Wattage 2400 Watts
Min Amp Power 10 Watts
Freq Resp +/-3dB (Hz) 34 - 20k
Freq Resp +3dB- 10dB (Hz) 27 - 20k
Impedance (Ohms) 4 Ohms
SPL in Room1w/1m(db) 93 dB
SPL Anechoic 1w/1m(db) 89 dB
X-Over 200 Hz & 2 kHz
Tweeter 4 x 1"
Midrange 4 x 5.25"
Woofer Triple 6.5" High Power
Dimensions H W D (inches) 47.5" x 9.25" x 17"
Dimensions H W D (mm) 1207 x 235 x 432
Weight (lbs) each 88 lbs
Weight (kg) each 40 kgs
Frequency Graph Frequency Graph
Impedance Graph Impedance Graph

Manuals

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  • LFR1100 Active Omnidirectional Speakers

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    Base Price: $4,980.00