6.5 cm (2.5") full-range 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. Very low resonance frequency.

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 8 Ohm
Frequency response 120–20000 Hz
Mean sound pressure level 84 dB (1 W/1 m)
Maximum cone displacement 3 mm
Resonance frequency fs 150 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 5 mm
Cutout diameter 61 mm
Net weight 0,2 kg
D.C. resistance Rdc 7,2 Ohm
Mechanical Q factor Qms 5,38
Electrical Q factor Qes 2,01
Total Q factor Qts 1,46
Equivalent volume Vas 0,9 l
Effective piston area Sd 22 cm²
Dynamically moved mass Mms 0,8 g
Force factor Bxl 1,8 T m
Inductance of the voice coil L 0,6 mH
Heat resistance −25 ... 100 °C