3M DL, SE Microphone and accessories, Installing the preamp,  Connecting an extension cable

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Microphone and accessories

Installing the preamp

Installing the preamp

The preamplifier is detachable for storage purposes or if you wish to connect an extension cable for distance monitoring.

Connecting to the instrument Place the preamp connector over the mating connector at the top of the instrument. Gently press down while rotating the preamp until the preamp connector drops slightly in place.

Twist preamp locking ring onto SoundPro

Figure 2-2: SoundPro & Preamp

1.While pressing the connector together to engage the threads, rotate the black knob clockwise to secure the preamp to the instrument. It will fit snuggly.

Connecting an extension cable

Extension cables are available from 3M as options and are typically used to distance the instrument body from the microphone to reduce distorting reflections from the instrument’s case.

1.Attach the cable to the base as if it were the preamp and then follow the steps above “Connecting to the instrument”. Attach the preamp to the other end of the cable.

Microphone and accessories

The instrument is ordered either for Class/Type 1 or Class/Type 2 use. See “Distinctions between models” on page 1 for information about this classifi- cation. The microphones are treated differently for the two classes of instru- ments.

Models SE and DL