Specification Sheet - C15N

15" - 50 W Vintage Ceramic Loudspeaker
C15N -
8Ω /
16Ω
General Characteristics
Nominal Overall Diameter 385 mm 15 in
Nominal Voice Coil Diameter 38 mm 1.5 in
Magnet Weight 810 g 29 oz
Overall Weight 4.2 kg 9.26 lbs
Flux Density 1 T
Voice Coil Winding Depth 10 mm 0.39 in
Magnetic Gap Depth 8 mm 0.31 in
Thiele-Small Parameters
16Ω
Voice Coil DC Resistance RE 6.2 12.3 Ω
Resonance Frequency ƒS 73 73.5 Hz
Mechanical Q Factor QMS 6.8 8.48
Total Q Factor QTS 1.11 1.46
Mechanical Moving Mass MMS 54.7 51 g
Mechanical Compliance CMS 87 92 µm/N
Force Factor BxL 10.85 12.81 Wb/m
Equivalent Acoustic Volume VAS 70.3 74.4 lt.
Maximum Linear Displacement XMAX ±1 ±1 mm
Reference Efficiency nO 2.84 1.61 %
Diaphragm Area SD 754.8 754.8 cm2
Losses Electrical Resistance RES 39 57 Ω
Voice Coil Inductance @ 1kHz LE 0.93 1.28 mH
Electrical Q Factor QES 1.33 1.76
Constructive Characteristics
Magnet Ferrite
Voice Coil Winding Copper
Voice Coil Former Kapton
Cone Material Paper
Surround Material Integrated Paper
Dust Dome Material Solid Paper
Basket Material Pressed Sheet Steel
Surround Treatment Yes
Electrical Characteristics
16Ω
Nominal Impedance 8 16 Ω
Rated Power 50 50 W
Musical Power 100 100 W
Sensitivity@1W,1m 96.3 95.4 dB
Product Dimensions
Note: all dimensions are in mm.
C15N angled view
C15N bottom view
C15N side view
C15N top view