LAAJAKAISTAELEMENTTI VISATON FRS 7 4 OHM

6.5 cm (2.5") fullrange speaker with balanced frequency response and very good highs. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. Outstandingly high efficiency compared to the small size.

Typical applications:
- Narrow network column speakers
- Control speaker for electronic devices
- Model construction
- Electronic musical instruments

Attributes :
- Water proof cone
- Metal basket
- 100 °C temperature resistant

Technical Data:
Rated power	8 W
Maximum power	15 W
Nominal impedance Z	4 Ohm
Frequency response	200–20000 Hz
Mean sound pressure level	88 dB (1 W/1 m)
Opening angle (-6 dB)	149°/4000 Hz
Excursion limit	+/−1,5 mm
Resonance frequency fs	250 Hz
Magnetic induction	1,2 T
Magnetic flux	160 µWb
Height of front pole-plate	2 mm
Voice coil diameter	14 mm
Height of winding	3,5 mm
Cutout diameter	61 mm
Net weight	0,2 kg
D.C. resistance Rdc	3,6 Ohm
Mechanical Q factor Qms	3,21
Electrical Q factor Qes	1,96
Total Q factor Qts	1,22
Equivalent volume Vas	0,3 l
Effective piston area Sd	22 cm²
Dynamically moved mass Mms	0,8 g
Force factor Bxl	1,7 Tm
Inductance of the voice coil L	0,3 mH
Temperature range	−25 ... 100 °C