8C250

8" Coaxial Cone Driver

  • 93 dB sensitivity 1 W / 1 m
  • 200 W + 80 W 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

Specification

8C250 Specification

Application 2-way Transducer
Nominal Impedance: Ohm 8 or 16
Power handling AES noise: W 200
Sensitivity (1 W / 1 m): dB 93
Frequency response: Hz 70 – 3000
Voice Coil Diameter: mm 51 (2″)
Voice Coil Material: Cu
Voice Coil Winding Depth: mm 15
Magnet Gap Depth: mm 6.5
Basket: Cast Aluminum
Effect. Diaphragm Diameter D mm 160

Recommended reflex enclosure:
12 L / 65 Hz, BRD = 60 mm / 114 mm long
Closed enclosure 8 – 12 Litre

Thiele-Small

8C250 Thiele-Small Parameters

Resonance Frequency: Fs Hz 79.1
DC Resistance: Re Ohm 5.40
Mechanical Q Factor: Qms 4.85
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 Complience: Cms mm / N 0.18
BL Factor: BL Tesla m 9.95
Effective Piston Area: Sd 0.0201
Max. linear Excursion: Xmax mm +/- 4.25

High Frequency

8C250 Specifications High Frequency

Nominal Impedance: Ohm 16
Power Handling AES: W 80
Peak Power: W 300
Sensitivity (1 W / 1 m): dB 109
Frequency Range: Hz 1000 – 20000
Recommended Crossover: Hz 1500
Voice Coil Diameter: mm 44.4 (1.75″)
Magnet Material: Ceramic
Flux Density T 1.8
Voice Coil Material: Copper Clad Aluminium
(2 Layers in- and outside of the VC)
Voice Coil Former: Kapton TM
Diaphragm Material: Polyester

Mounting & Drawing

8C250 Drawing

8C250 Mounting Information

Overall Diameter: mm 205
Mounting Holes Diameter: mm 4 x (6 x 6.5)
Bolt Circle Diameter: mm 196
Baffle cut-out Diameter: mm 182
Overall depth: mm 111
Net Weight: kg 3

Curves

8C250 Curves

Frequency Response measured 1 W (2.83 V)
at 1 m in a closed enclosure of 25 litre.


Downloads

Downloads