VISATON FRS 7 - 4 Ohm
4Ω
8ΩFull-range
2.5″ / 65 mm
Nominal diameter
250 Hz
Resonance
1.22
Q factor
90 dB
Sensitivity
± 0.8 mm
Linear excursion
15 W
Program Power
- Parts Express
- $$
- Amazon.com
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.5
- dB
- Frequency response
- 200 - 20000
- Hz
- Resonance frequency (free air)
- fS
- 250
- Hz
- Mechanical quality factor
- QMS
- 3.21
- Electrical quality factor
- QES
- 1.96
- Total quality factor
- QTS
- 1.22
- Maximum linear excursion
- xmax
- 0.8
- mm
- Maximum excursion before damage
- xlim
- 1.5
- mm
- Air volume displaced at xmax
- VD
- 1.8
- cm³
- Power handling
- P
- 8
- W
- Program power
- Pmax
- 15
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.3
- mH
- VC Diameter
- 14
- mm
- Winding height
- HVC
- 3.5
- mm
- Flux density
- B
- 1.2
- T
- Force factor
- Bl
- 1.7
- N/A
- Motor constant
- Bl/√RE
- 0.896
- N/√W
- Air gap height
- HAG
- 2
- mm
- Effective diameter
- 53
- mm
- Effective area
- SD
- 22
- cm²
- Moving mass
- MMS
- 0.8
- g
- Moving mass (without air load)
- MMD
- 0.7
- g
- Stiffness
- KMS
- 2.29
- N/mm
- Compliance
- CMS
- 437
- µm/N
- Equivalent volume to the compliance
- VAS
- 0.3
- L
- Mechanical resistance
- RMS
- 0.39
- N·s/m
- Nominal diameter
- 2.5
- ″
- 65
- mm
- Baffle cutout diameter
- 61
- mm
- Net weight
- 0.2
- kg