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4 |
| Line level input | These RCA jacks accept a | ||||
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| from the |
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| preamplifier. |
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| This |
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| power the subwoofer. |
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5 |
| Polarity switch | This | ||||
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| acoustic output between the subwoofer and the |
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| satellite speakers in the crossover frequency region |
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| between them. |
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| • The 0° position maintains phase from input to |
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| output. |
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| • The 180° position changes the polarity by 180°. |
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| Try both settings and pick the one that sounds best. |
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6 |
| Status LED | This shows the status of the subwoofer. | ||||
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| • Red indicates that the amplifier is plugged in and |
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| the power switch is either off or in standby mode |
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| with no input signal present. |
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| • Green indicates that the amplifier is operating |
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| with a signal present at the input from the |
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7 |
| Subwoofer | This rotary control sets the upper frequency at which | ||||
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| crossover | the output of the subwoofer begins to roll off. | |||
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| (frequency) | Continuously variable from 60 Hz to 160 Hz, it | |||
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| matches the upper frequency characteristics of the |
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| subwoofer to the |
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| satellite speakers. |
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| Recommended setting: 150 Hz. |
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8 |
| Volume control | This rotary control adjusts the level of the subwoofer | ||||
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| (gain) | and is used to balance its volume with that of the | |||
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| satellite speakers. |
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9 |
| Main power switch | This switch controls the overall power status of the | ||||
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| subwoofer. It must be in the ON position for the |
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| subwoofer to operate. |
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10 | Fuse | For continued protection, replace the fuse with the | |||||
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| same type and size listed. |
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