Rainbow Germanium Four Einbauanleitung Seite 36

TIP: Accompany pure subwoofer operation with high-pass with a cut off frequency of 20-30 Hz. This
increases the
Many subwoofers cannot correctly render frequencies below 30 Hz, producing instead hot air
without volume. The subwoofer should be protected from these frequencies to increase the lifespan of
the subwoofer and amplifier by preventing unnecessary load.
In choosing a subwoofer, the load of the amplifiers must be suitable for the load limits of the subwoofer. This
precaution prevents a premature distortion in the bass range and thermal overloading of the output stage.
Recommendation for Germanium Four: A 2Ω (no bridge operation possible), 4Ω, or 8Ω subwoofer with a
maximum diameter of 300 mm ensures optimal impulse response during pumping bass rendition. This combination
performs without difficulty at the output stage, even when high bass requirements are placed on the subwoofer.
Figure 6: Frequency Response of Low-pass REAR Operation Mode:
power handling and lifespan of
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the amplifiers and subwoofers!