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6
Installation
Installation
The limiter has to be installed between the sound source (for instance the mixer, the pre-amplifier
etc.) and the amplifier. See figure 1.
Figure 1: Installing the SPL5
When calibrating the system, the power amplifier has to be set to maximum output level. The
limiter will reduce the signal as much as needed. When used at nominal level the established
sound pressure limit will not be exceeded after configuring the limiter. However if in any case this
should happen, e.g. When the mixer is used above the nominal level, the limiter will automatically
adjust the signal to ensure the sound pressure level remains below the maximum allowed level.
Connections
The SPL5 is equipped with balanced audio in,- and outputs. This type of connection guarantees a
solid sound quality, even when long audio cables are used. After the limiter is installed the audio
connectors are covered to prevent later adjustments. Removal of this cover will be registered by
the SPL5. To re-activate the limiter the key on the front is needed.
Microphone input; XLR 3-pin female
Pin
Function
1 Ground
2 Audio +
3 Audio -
Table 1: Microphone input
Audio inputs left and right; XLR 3-pin female
Pin
Function
1 Ground
2 Audio +
3 Audio -
Table 2: Audio-inputs
Audio outputs left and right; XLR 3-pin male
Pin
Function
1 Ground
2 Audio +
3 Audio -
Table 3: Audio output
Description
Audio ground
Supply and audio
Supply and audio
Description
Audio ground
Audio in phase
Audio out of phase
Description
Audio ground
Audio in phase
Audio out of phase
DATEQ SPL5 Manual
EN
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