Midrange 4" Midrange
Peerless
Type Number:821615

Features

Driver Highlights: All PP cone, backchamber, cast frame

Specs

Electrical Data
Nominal Impedance Zn 8 ohm
Minimum Impedance Zmin 8.3 ohm
Maximum Impedance Zo 9.3 ohm
DC Resistance Re 6.2 ohm
Voice Coil Inductance Le 0.3 mH
TS Parameters
Resonance Frequency fs 530 Hz
Mechanical Q factor QMS 1.07
Electrical Q factor QES 2.16
Total Q factor Qts 0.72
Force Factor Bl 7.4 Tm
Mechanical Resistance Rms 17.83 Kg/s
Moving Mass Mms 5.73 g
Suspension Compliance Cms 0.02 mm/N
Effective cone diameter D 9.6 cm
Effective Piston Area sd 72 cm^2
Sensitivity 2.83V/1m 91 dB
Power Handling
Long-term Max Power IEC 18.3 180 W
Max Linear SPL @ power rms 110 dB/W
@power 115 W
Voice Coil and Magnet Parameters
Voice Coil Diameter 26 mm
Voice Coil Height 9 mm
Voice Coil Layers 2
Height of the Gap 5 mm
Flux density of gap 1.1 mWb
Total Useful Flux 0.5 mWb
Diameter of Magnet 72 mm
Height of Magnet 15 mm
Weight of Magnet 0.24 Kg

Frequency

Mechanical Dimensions