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Lowther A55

1260100016

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Lowther A55 high efficiency fullrange

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851,99 € tax incl.

-98,01 €

950,00 € tax incl.

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Lowther Loudspeaker Drive units are for use where only the finest standards of sound reproduction will satisfy. Their unique design and performance are world famous. Only the finest proven materials and micro-precision techniques are used in their production.

 The 'A' Series range maximises design potential enabling Lowther quality to be enjoyed in systems using single drive units to multi-unit assemblies such as Lowther's incomparable horn-loaded designs.

NOTES:

(1) Suitably housed, multi-unit assemblies do not necessarily require passive cross-over systems between bass, mid and high frequency units.
(2) All units are rated at 100 Watts.

DC Resistance of Voice Coil     Re     7.4 ohms
Free Air Resonance     Fo     82 Hz
Emission Piston Area     Sd     0.01055M²
Equivalent Volume Suspension     Vas     4.254 Ltrs
Suspension Compliance     Cms     269.166 u M/N
Mass of Cone     Mmd     7.0 g
Mass of Moving Parts     Mms     7.623 g
Force Factor     Bl     9.712 T-M
Mechanical Q Factor     Qms     5.831
Electrical Q Factor     Qes     0.384
Total Q Factor     Qts     0.360
Voice Coil Inductance @ 1 kHz     Le     114.819 uH
Reference Efficiency     No     1.471%
Sound Pressure Level     SPL     93.694 Db

Overall Diameter    17.4 cm
Overall Depth     11 cm
Depth from rear of Mounting Frame    10,1 cm
PCD Mounting Centres     15.6 cm
Baffle Hole cut-out     13.7 cm
Magnet Ring Diameter     9.7 cm
Voice coil diameter     3.9 cm
Voice coil impedance (nominal)     8 ohm
Air gap width     1 mm
Air gap height     5 mm
Magnet type     Alcomax 3
Flux density (I Tesla=10,000 Gauss)     1.98 Tesla
Diaphragm     Twin Paper
Frequency response     30 Hz-22kHz
Maximum voice coil travel     ± 1 mm
Shipping weight     4 kg

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Lowther A55

Lowther A55

Lowther A55 high efficiency fullrange