SPECIFICATIONS Coaxial series 8C250
8C250
Coaxial series
Coaxial Transducer
Features:
93dB sensitivity 1W/1m
200W + 80W Power handling
2” + 1.75” sandwich voice coil
Single point source providing coherent wave front
90° conical dispersion
Optimal for compact 2- or 3-way systems
SPECIFICATIONS
APPLICATION
Transducer
Nominal impedance
Ohm
8 or 16
Power handling AES noise
W
200
Sensitivity ( 1W/1m )
dB
93
Frequency response
Hz
70 - 3000
Voice coil diameter
mm
51 (2”)
Cu
Voice coil material
Voice coil winding depth
mm
15
Magnet gap depth
mm
6.5
mm
160
Cast Aluminium
Basket
Frequency response measured 10W (8.94V) at 1m in a closed
enclosure of 100 litre.
THIELE – SMALL PARAMETERS
Resonance frequency
Fs
Hz
DC resistance
Re
Ohm
79.1
Mechanical Q factor
Qms
Electrical Q factor
Qes
0.61
Total Quality factor
Qts
0.52
Equivalent volume
Vas
L
10.18
Moving mass
Mms
kg
0.0183
Mechanical compl.
Cms
mm/N
0.18
BL factor
BL
Tesla/ m
9.95
Effective piston area
Sd
m2
0.0201
Max. linear excursion
Xmax
mm
4.25
Nominal impedance
Ohm
16
Power handling AES
W
80
Peak Power
W
300
Sensitivity ( 1W/1m )
dB
109
Frequency range
Hz
1000-20000
Recommended crossover
Hz
1500
Voice coil diameter
mm
44.4 (1.75”)
5.40
4.85
Coaxial Drivers
Effect. diaphragm diameter D
SPECIFICATIONS HIGH FREQUENCY
Ceramic
Magnet material
Fluchs density
T
Voice coil material
Copper Clad Aluminium
1.8
(2Layers in and outside of the VC)
MOUNTING INFORMATION
Overall diameter
mm
Mounting holes diameter
mm
4 x (6 x 6.5)
Bolt circle diameter
mm
196
Recommended reflex enclosure:
Baffle cut-out diameter
mm
182
12L/65Hz, BRD=60mm/114mm long
Overall depth
mm
111
8 - 12L closed box
Net weight
kg
3
Voice coil former
Kapton™
Diaphragm material
Polyester
205
37
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