Linn Keltik Bruksanvisning

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Copyright © 2000 Linn Products Limited. All rights reserved.
Paul O'Neill
Product Information Sheet
January 1996
THE LINN KELTIK AKTIV LOUDSPEAKER SYSTEM
The Linn Keltik Aktiv Loudspeaker system is the culmination of many years of experience in driver construction,
cabinet fabrication, and active electronic crossover design.
The Keltik is an active system; each drive unit is powered by a separate amplifier. Rather than using a conventional
internal passive crossover, the Keltik system employs an active electronic crossover located before the power
amplifiers. The Linn Keltik Aktiv Electronic Crossover divides the musical signal into three frequency bands and
corrects phase, amplitude and time alignment to match precisely the characteristics of each individual drive unit
and feeds each frequency band to the appropriate amplifier.
The Keltik may be powered with a minimum of three power amplifiers, one for each frequency band. Additional
performance advantages may be achieved by employing a fourth amplifier to allow each of the Isobarik bass
drivers to be driven independently. For most accurate reproduction we recommend the use of Linn power
amplifiers from LK100 upwards.
The Keltik employs four Linn-designed drive units. The ferro-fluid ceramic tweeter provides exceptionally low
distortion performance even at high signal levels and incorporates an integral airtight enclosure.
The midrange unit features a carbon-loaded cone and strong die cast chassis. This driver is mounted in its own
irregularly shaped (no parallel sides) Ku-Stone loaded
compartment that isolates it from the pressure changes generated by the bass units.
The two bass drivers are used in Linn's patented Isobarik* configuration and employ die cast chassis, stiff
carbon-loaded cones, large diameter aluminum voice coils and magnets that are nearly twice the size of those
employed in Linn's original Isobarik loudspeaker.
The front baffle is machined from Topan and the front surface is sculptured to reduce diffraction effects. The
enclosure is extensively reinforced and veneered inside and out for added strength and stability.
The combination of active electronics, Isobarik bass loading, and Linn's devotion to preserving the integrity of
the musical signal sets the Keltik Aktiv Loudspeaker System apart from the competition and provides a level of
performance never before possible.
Copyright © 2000 Linn Products Limited. All rights reserved.
Paul O'Neill
Technical Information
Keltik Loudspeaker Technical Information
Type Three-Way Active, Isobarik Loading
Ceramic coated tweeter, accurate midrange driver & Isobarik bass system*
Frequency Response 20Hz-20kHz -/+ 1db
Weight & Dimensions
Width 320mm
Depth 370mm
Height 1037mm
Weight: 52Kg each
Input Impedance 8 ohms nominal per drive unit
* In 1974, Linn patented the Isobarik bass system, which was first used in the Linn Isobarik loudspeaker. This
method of loading employs a second bass driver located inside the cabinet. A small sealed enclosure couples this
hidden drive unit to the bass driver mounted on the front baffle. Because these drivers work in phase with each
other, the air pressure in the small enclosure between the drivers remains nearly constant (hence the name
Isobarik). The primary bass driver, seeing less change in back pressure, behaves as if it were in a significantly
larger box. The technique of Isobarik loading gives an extended and tightly controlled bass response.
Keltik Aktiv Crossover Technical Information
Type Three way active crossover driving three or four stereo power amplifiers
(one or two amplifiers can be used to drive bass)
Electronic low frequency response extension
Weight & Dimensions
Width 320mm
Depth 326mm
Height 80mm
Weight 4KG
Electronic
Input Impedance 5Kohm
Output impedance 60ohms
Acoustic
On axis frequency response +/- 1dB 20Hz – 20KHz
Recommended Amplifier Power 70W per channel minimum
300W per channel maximum
Adjustments
Treble adjustment 0 to +6dB at 0.5dB steps
Bass Adjustment -6 to +6dB at 1dB steps
Factory setting – Treble -3dB
Factory setting – Bass 0dB

Produktspecifikationer

Varumärke: Linn
Kategori: Inte kategoriserad
Modell: Keltik

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