Mission CP-138

13 cm midrange driver met papier konus. De spreekspoel is geventileerd. De spreekspoeldrager is van kapton. The unit is magnetisch afgeschermd.

Specificaties

• frequency range = 40-10000 Hz
• resonance frequency fs = 59 Hz
• impedance R = 8 Ohm
• sound pressure level SPL = 89,3 dB (2,83V; 1m)
• DC resistance Re = 6,8 Ohm
• force factor BL = 7,13 N/A
• effective piston radiating area Sd = 82 cm²
• effective mechanical mass incl. air load mms = 8,07 g
• equivalent volume of compliance Vas = 8,37 l
• total Q factor Qts = 0,38 (Qms=6,41, Qes=0,4)
• voice coil diameter = 25 mm
• mounting diameter d = 111 mm
• overall diameter d = 126 mm