DIN-100A

In-Wall Foreground Speaker System

Description  |  Specifications  |  Installation Instructions

Installation is facilitated by six rotating wall clamps (Figure 1 below) that securely hold the speaker system to a wall panel or ceiling tile. The system uses the interior wall space or ceiling area, together with the ported design, to provide the maximum bass response. A pivoting 1 3/4" tweeter affords clean high frequencies that can be directed toward the primary listeners. The combination of these factors produces high fidelity stereo or surround sound.

A 70-volt transformer is included Model DIN-100AT to permit the practical installation of numerous monaural speakers in commercial applications where full-range frequency reproduction is desired. Wall-mounted independent volume control of each speaker may be accomplished by the use of attenuators such as the JWD AT Series.

Figure 1

Higher frequencies are more directional than lower frequencies as shown by the darker area in Figure 2. Consequently, the sound level of the higher frequencies will be greater when the listener is directly in front ("on axis") of the sound source. As the position of the listener moves off axis to either side, the sound level of the higher frequencies decrease. To compensate for this factor, the high frequency tweeter in the DIN-100 series can be adjusted toward the primary listening area to provide best frequency reception.

The ideal height of the speakers is the listeners’ heads. For stereo, the primary listener’s head also should be the point of a triangle that is equal distance between the listener and the two speakers. Where this is not practical, the tweeter should be pivoted to direct the higher frequencies in this triangular pattern. A ±3dB switch located below the tweeter also is available to further enhance the higher frequencies if desired.

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