about
REDISCOVER YOUR ACOUSTIC SPEAKERS
The faithful transmission of low frequencies is an essential condition for the realistic perception of the sonic message as a whole, and constitutes a unique experience.
Our company Purelow Acoustic, based in the French department of Aveyron, has taken over the manufacture of the "INFRAPLANAR" subwoofer, a bass and extreme bass speaker, whose operating system is unique and performance exceptional.
This loudspeaker originally imagined and designed by the late Mr. Claude Lacroix, avoids pitfalls associated with reproducing low frequencies.
This subwoofer is the only one capable of accompanying all types of loudspeakers in bass and extreme bass sounds, including the most efficient, thereby improving the quality and consistency of the entire sound spectrum.
Each speaker is a completely handcrafted unique model, available in different colours and finishes.​
The initial model or “LO” (no longer available) replaced by the model “GR” (Golden Ratio) with similar performance but smaller dimensions.
In addition to the acoustic qualities of this transducer, it is also distinguished by its small footprint which is similar to that of a flat screen television, the depth of the speaker being only 13 cm and that of its base of 33 cm.
Due to its geometry and its operating principle, it will be easy to place in your living room, in a corner, between your speakers or against a wall.
The settings and adaptations with your speaker system will be greatly facilitated.
The electrical characteristics of the PURE LOW GR and its good efficiency will facilitate the work of your amplifier.
The weight of the GR model, which is only 110 kg, will allow relatively easy handling.
specifications
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Type: Planar subwoofer (no cabinet).
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Bandwidth: Flat from 10Hz to 400 Hz.
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Sensitivity: 90 dB / 1 Watt at 12 Hz measured at 1 meter.
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Power capability: 400 Watts, without thermal compression.
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Impedance: Flat 3 Ohm load on the whole bandwidth.
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Radiating Area: 0,74 square meter.
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Very light membrane (3,5 grammes/dm square).
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Driver excursion: +/- 9,5 mm with driving coil staying in magnetic field.
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Large volume of displaced air +/- 5 litre.
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Dimensions (WxHxD) : 127,5 x 99 x 13 cm.
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Weight: 110 kG.
PureLow caracteristics and curves
Impedance curve:
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Stable impedance at 2.5 Ohms
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​Low impedance at FS
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Almost zero phase rotation on the audio range.
Response curve :
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Measured in room and Hand made curve.
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Sonometer Bruel & Kjaer model 2230 with microphone at 1 meter of the loudspeaker.
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Frequency range: 10Hz to 400 Hz
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Power: 1W RMS (1,61 volts RMS at loudspeaker inputs).
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Measured level: 90 dB +/- 2,5 dB from 10 to 75 Hz.
Finishes types
Colors on demand
Glossy lacquer, piano lacquer type
official dealers
In Europe​
For France + Monaco
For all other countries of Europe + Andorra, Switzerland & UK
Prestige Audio Diffusion (France)
Contact : Marc Loubeau
Tel: +33 (0)6 49 89 68 88
Outside Europe
US (Texas / Dallas area)
Vibrant HiFi (Parker TX, 75002)
Contact: Todd Binnix
other partners
Note : Other partners listed below are not Dealers, but they use the previous model « Pure Low LO » (no longer available) permanently into their showroom.
QUAD Music Playback GmbH
Brunnenstrasse 57
56751 Gering
Germany
Phone : +49 2654 987977
email : info@quad-musik.com
Acoustic Precision SARL
91bis rue d'Andorre
31120 PINSAGUEL
France
Tél : +336 3275 2066
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