Peerless BMR85DD NA8Y
Mid-range
4″ / 102 mm
Nominal diameter
87 Hz
Resonance
0.77
Q factor
85 dB
Sensitivity
± 0.7 mm
Linear excursion
40 W
Program Power
Discontinued
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 84.7
- dB
- Frequency response
- 20 - 12000
- Hz
- Resonance frequency (free air)
- fS
- 86.8
- Hz
- Mechanical quality factor
- QMS
- 3.47
- Electrical quality factor
- QES
- 0.99
- Total quality factor
- QTS
- 0.77
- Maximum linear excursion
- xmax
- 0.7
- mm
- Air volume displaced at xmax
- VD
- 4.8
- cm³
- Power handling
- P
- 20
- W
- Program power
- Pmax
- 40
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 7.6
- Ω
- Inductance (1kHz)
- LE
- 0.04
- mH
- VC Diameter
- 32
- mm
- Former material
- Aluminium
- Force factor
- Bl
- 5.9
- N/A
- Motor constant
- Bl/√RE
- 2.14
- N/√W
- Air gap height
- HAG
- 4
- mm
- Effective diameter
- 93
- mm
- Effective area
- SD
- 68
- cm²
- Moving mass
- MMS
- 8.3
- g
- Moving mass (without air load)
- MMD
- 7.9
- g
- Stiffness
- KMS
- 2.47
- N/mm
- Compliance
- CMS
- 404
- µm/N
- Equivalent volume to the compliance
- VAS
- 2.62
- L
- Mechanical resistance
- RMS
- 1.3
- N·s/m
- Nominal diameter
- 4
- ″
- 102
- mm
- Volume occupied by the driver (estimated)
- 0.14
- L
- Net weight
- 0.22
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
Closed Box Simulator·
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.jpg.webp)
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