BMS 4547ND is a 1-inch 8 ohm compression driver rated at 80 W RMS. The source-backed specifications include sensitivity 113 dB, range from 500 Hz, to 20000 Hz, throat 25.4 mm. bits tracks vendor pricing and datasheet links from the same loudspeaker database.
Source-backed specifications
Motor and cone
Voice coil
44mm
Power and response
Sensitivity
113dB
Power
80W
Impedance
8Ω
Range
500–20000Hz
Crossover
1200Hz
Throat
25mm
Size and mounting
Diameter
84mm
Depth
35mm
Weight
0.54kg
Other published values
Power Peak
450
Everything else BMS lists
HF
SPL
113dB
Power
80W
Impedance
8Ω
Power Peak
450
Sensitivity
113dB
Low limit
500Hz
High limit
20000Hz
Throat
25mm
Manufacturer sensitivity
113dB
Voice coil
44mm
Crossover
1200Hz
4. peak power
450 W
1. throat diameter
1″ (25.4 mm)
8. frequency range
500 – 20000 Hz
11. magnet material
Neodymium
7. max. spl (cont.)
132 dB at 80 W
14. voice coil former
Kapton TM
2. nominal impendance
8 or 16 Ohm
15. diaphragm material
Polyester
10. voice coil diameter
1.75″ (44.4 mm)
13. voice coil material
Copper Clad Aluminum
3. power capacity (aes)
80 W
12. flux density (tesla)
2.2
9. recommended crossover
1200 Hz
6. plane wave tube, 1 w / 1 m
118 dB
5. cd horn 90° x 75° 1 w / 1 m
113 dB
02
Where to buy
Prices for delivery to the UK, including VAT. How prices work