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SPECIFICATIONS
ZSPL12R
Subwoofer
Nominal impedance
Frequency range
Power handling
Nominal power handling
Music power handling
Impulse power handling
Recommended amplifier power
Dimensions
ZSPL12DUAL
Subwoofer
Nominal impedance
Frequency range
Power handling
Nominal power handling
Music power handling
Impulse power handling
Recommended amplifier power
Dimensions
The nominal power handling is given in watts RMS and represents an effective value. This corresponds to the average power value of
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the subwoofer in the corresponding frequency range. The value is determined in a complex measuring process using pink noise. RMS is
the abbreviation for "Root Mean Square".
The music power handling represents a benchmark that reflects the performance when playing music continuously with loud and quiet
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passages and pauses. This takes into account that the subwoofer can always "recover" and cool down thermally due to the dynamic music
playback.
The impulse power handling indicates the maximum possible power with which the subwoofer can be loaded in short pulses of around
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one second.
The recommended amplifier power depends on the actual output power of the amplifier, which also depends on the connected on-board
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voltage. In principle, an amplifier should always have around 20-30% more power than the nominal power handling of the speaker speci-
fied in RMS in order to avoid distortion or clipping in the audio signal, otherwise the speaker's voice coil could be damaged.
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Single Bassreflex System
1 x 30 cm (12") ZSPL12D2
2 + 2 Ω
30 - 300 Hz
600 Watts/RMS
1200 Watts/Music
1800 Watts/Peak
2 x 300 - 450 Watt/RMS
520 x 372 x 476/376 mm
Dual Bassreflex System
2 x 30 cm (12") ZSPL12D2
4 + 4 Ω (4 Ω per each Terminal)
30 - 300 Hz
Per each terminal:
600 Watts/RMS
1200 Watts/Music
1800 Watts/Peak
2 x 600 - 900 Watts/RMS
900 x 372 x 476/376 mm
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