The dynamical cone geometry built with Magnesium composite materials creates an authentic sound. The hand coated dust cap plus the airflow optimized motor design supports the balanced and detailed sound impression.
Highlights
Uncompromising sound quality
Uncolored sound reproduction
Frequency range: 70 – 20000 Hz
A true “Milestone in Sound”
Product details
ETON 4-218 ARCOSIA Bass-mid Woofer
The Arcosia Series stands for the highest musical requirements ever posed to a loudspeaker chassis. Arcosia is uncompromising sound quality.
The anodized magnesium cone was perforated in an extremely elaborate procedure and covered with an olefine film. In interaction with the covering olefine film, these perforations form fine, bubble-shaped arches, which work like small partial vibration absorbers and therefore prevent the development of all modes to the greatest possible extent. In addition, this merger of the two components offers a more than exclusive appearance, which is second to none on the loudspeaker chassis market.
The special two-component cone technology confers excellent musical properties to the Arcosia Series, primarily expressed by its excellent tonal balance and warm sonic characteristics. Sonic space is authentically represented with striking nonchalance, giving rise to the impression of a multichannel system. Additional attention was paid to the ferrite magnet system.
The magnet geometry’s special design makes the magnetic field almost perfectly symmetrical in order to generate excellent vibration behavior. The particularly effective ventilation of the magnet system, with its optimum air circulation and heat dissipation, ensures minimized compression effects in dynamic musical passages and large amplitudes.
We have justifiably and proudly called our Arcosia Series the “Milestone in Sound”!
Specifications
Article number4-218 ARCOSIA
EAN8785256846603
Woofer SeriesETON Arcosia series
Woofer TypeBass-mid Woofer
Nominal Diameter4"
Power Handling (RMS)50W
Sensitivity (SPL at 1m / 2.83V)87 dB
Frequency Response70 – 20000 Hz
DC Resistance (Re)5.8 Ω
Voice Coil Inductance (Le)0.35 mH
Resonant Frequency (Fs)57 Hz
Mechanical Q (Qms)6.11
Electromagnetic Q (Qes)0.42
Total Q (Qts)0.39
Moving Mass Of Diaphragm (Mmd)4.5 g
Mechanical Compliance of Suspension (Cms)1.99 mm/N
Surface Area of Cone (Sd)50 cm2
BL Product (BL)4.3 Tm
Compliance Equivalent Volume (Vas)7.0 dm3
Maximum Linear Excursion (Xmax)4 mm
Driver's Mechanical Losses (Rms)0.27 kg/s
Overall Outside Diameter122 mm
Overall Depth75 mm
Baffle Cutout Diameter96 mm
# Mounting Holes6
