thomann The Box 18-500/8-A, Owner'S Manual, Page: 3 / 4

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Dimensions
Technical specifications
Diameter ........................................ : 18
"
(460 mm)
Impedance .................................... : 8 Ω
Rated power .................................. : 600 W RMS
Peak power ................................... : 2400 W
Sensitivity (1W/1m) ....................... : 97 dB ± 2 dB
Min. resonance frequency ............ : 40 Hz ± 4 Hz
Frequency response ..................... : 40 Hz – 1.5 kHz
Diameter of voice coil ................... : 99.3 mm
Material of voice coil ..................... : round copper wire
Framework material of voice coil .. : TIL
Height of voice coil ....................... : 25 mm
Depth of magnet ........................... : 13 mm
Flux density .................................. : 1.06 T
Our products are subject to a process of continual further development.
Therefore modifications to the technical features remain subject to change
without further notice.