BC/OC 4" Midwoofer
Vifa
Type Number:BC11SG49-08

Features

The BC/OC product line is known for its quality tweeters and midwoofers. Designed in Denmark by our experienced team of audio engineers, Peerless BC/OC products can meet the most demanding needs for both volume and audio excellence. The BC/OC product line has ferrofluid in the magnet gap for improved cooling of the driver.

Driver Highlights: Polymer-chassis, coated NRSC paper cone, magnetically shielded

Specs

Electrical Data
Nominal Impedance Zn 8 ohm
DC Resistance Re 5.45 ohm
Voice Coil Inductance Le 0.53 mH
TS Parameters
Resonance Frequency fs 67 Hz
Mechanical Q factor QMS 2.19
Electrical Q factor QES 0.46
Total Q factor Qts 0.38
Force Factor Bl 4.9 Tm
Moving Mass Mms 5 g
Effective Piston Area sd 58 cm^2
Equivalent Volume Vas 5.3 ltrs
Sensitivity 2.83V/1m 87 dB
Power Handling
Long-term Max Power IEC 18.3 60 W
Short Term Max power IEC 18.2 90 ohm
Voice Coil and Magnet Parameters
Voice Coil Diameter 25 mm
Voice Coil Height 10 mm
Height of the Gap 4 mm

Frequency

Mechanical Dimensions