Speaker Model:ST650C-WF
IAPHRAGM MTL: Rubber+Paper
NOMINAL IMPEDANCE: 4.0±15% Ω
DCR IMPEDANCE: 3.6±10% Ω
SENSITIVITY 1W/1M: 88.0±3 dB
FREQUENCY RESPONSE: 46-10K Hz
FREE AIR RESONANCE: 46±20% Hz
VOICE COIL DIAMETER: 30.5 mm
RATED POWER INPUT: 40 W
MAXIMUM POWER INPUT: 80 W
MAGNET WEIGHT(OZ): Ferrite
FERRO FLUID ENHANCED: NO
Qms: 4.1
Qes: 0.54
Qts: 0.47
BL: 4.8
Speaker Model:ST650C-TW
IAPHRAGM MTL: SILK
NOMINAL IMPEDANCE: 6.0±15% Ω
DCR IMPEDANCE: 6.0±10% Ω
SENSITIVITY 1W/1M: 90.0±3 dB
FREQUENCY RESPONSE: 1400-20K Hz
FREE AIR RESONANCE: 1400±20% Hz
VOICE COIL DIAMETER: 25.5 mm
RATED POWER INPUT: 20 W
MAXIMUM POWER INPUT: 40 W
MAGNET WEIGHT(OZ): NEO
FERRO FLUID ENHANCED: YES