BC/OC 1" Tweeter
Vifa
Type Number:APL25SC15-04

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: Compact faceplate with sealing gasket, which eliminates vibration between baffle and driver; cooling fan for improved power handling; coated textile dome for improved performance.

Specs

Electrical Data
Nominal Impedance Zn 4 ohm
Minimum Impedance Zmin 3.6 ohm
Maximum Impedance Zo 9.5 ohm
DC Resistance Re 3 ohm
Voice Coil Inductance Le 0.013 mH
TS Parameters
Resonance Frequency fs 1500 Hz
Mechanical Q factor QMS 3.7
Electrical Q factor QES 1.8
Total Q factor Qts 1.3
Ratio fs/Qts F 1154
Effective Piston Area sd 6.6 cm^2
Sensitivity 2.83V/1m 92 dB
Sensitivity 1W/1m 89 dB
Power Handling
100h RMS noise test IEC 100 W
Long-term Max Power IEC 18.3 50 W
Rated Noise Power IEC 18.1 25 W
Voice Coil and Magnet Parameters
Voice Coil Diameter 25.4 mm
Voice Coil Height 1.5 mm
Voice Coil Layers 2
Height of the Gap 2 mm
Linear Excursion +/- 0.25 mm
Diameter of Magnet 25 mm
Height of Magnet 3.5 mm
Weight of Magnet 0.122 Kg
Misc Parameters
Effective Frequency Range (IEC 21.2) 800-40k Hz
Frame dimensions 69.7x54 mm
Total Mass 67 grams
Frequency at ka=2 7466 Hz

Frequency

Mechanical Dimensions