CORES2

High-end 165 mm (6.5") 2-way speaker system

The CORE systems impress with their revolutionary membrane technology, which consists of a perforated magnesium composite membrane. The membrane is perforated in an extremely complex process and covered with an olefin film. These perforations, together with the spanned olefin film, form fine, bubble-shaped bulges that act like small partial vibration dampers, thus preventing the development of any modes. An excellent tonal balance with a warm sound character is the result. The elaborate, flow-optimized die-cast aluminum basket design gives the system a unique character that has never been seen before.

Product features

165 mm (6.5 inch) 2-way high-end system with magnesium composite diaphragm, flow-optimized aluminum die-cast basket and basket design, powerful neodymium magnet, hand-coated fabric dust cap, 28 mm magnesium Keronite tweeter with hand-coated surround, multi-vented, with asymmetrical coupling volume and RCFS technology. Resonant frequency 1W/TSP: 57/59 Hz, characteristic sound pressure 88 dB, rated power handling: 100 W RMS, 4 ohms impedance incl. CNC-machined, sandblasted aluminum surface-mount and built-in enclosures, black anodized, removable tweeter grilles. Made in Germany.

CORE S2
Tweeter
28 mm (1 1/8")
Bass / midrange
165 mm (6.5")
Impedance
4 Ω
Nominal power (RMS
90 W
Music power
140 W
Sound pressure level
88 dB
Outer diameter
165 mm
Installation depth
79.5 mm

Technology

Technical data

Nominal impedance
Zn
4
Ω
Total moving mass (incl. air mass)
MMD
14.0
g
DC resistance
Re
3.4
Ω
Effective piston area
SD
137
cm2
Voice coil inductance
Le
0.30
mH
Resonance frequency TSP
fr
59
Hz
Force factor
BLxl
5.1
Tm
Suspension compliance
CMS
0.5
mm/N
Mechanical Q
QMS
6.82
Xmax mechanical
+/-
9.5
mm
Electrical Q
QES
0.65
Equivalent air vol. of suspension
VAS
13.3
dm3
Total Q
QTS
0.59
Characteristic SPL 1W / 1 m
88
dB
Mechanical resistance
RMS
0.84
kg/s
Rated power
90/140
W
magnet material
Neodym
voice coil diameter
32
mm
Overall diameter
165
mm
Cutout diameter
146
mm
Frame depth
6
mm
Installation depth
79.5
mm
Screw hole diameter
4.5/8
mm
Terminal
4.8/6.3
mm
Weight
0.97
kg
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