Kramer spk-cs20 - Manual

ESD Ceiling Speaker - Overview 3 3 Overview The ESD™ (Equal Sound Dispersion) Ceiling Speaker is a high- performance complete K-overage ESD ceiling speaker that can be mounted on the ceiling and appears as a suspended ceiling tile. The ESD ceiling speaker is constructed with a central driver and fou...

4 ESD Ceiling Speaker - Overview • A bass port for a bass reflex effect (for educational models) Figure 1: Tile Size ESD Ceiling Speaker (that fits into the ceiling) The speaker is easily installed and is available in eight different models: PRO or EDU, stereo or mono, tile size or half-tile size co...

ESD Ceiling Speaker - Overview 5 3.1 Defining the ESD Ceiling Speaker Figure 2 defines the ESD Ceiling Speaker: Figure 2: ESD Ceiling Speaker Flat Ceiling Speaker Features # Feature Function 1 Speaker Tile Base Half-tile size or tile size 2 Speaker Steel Enclosure Shallow fireproof enclosure 3 INPUT...

6 ESD Ceiling Speaker - Installing the ESD Ceiling Speaker 4 Installing the ESD Ceiling Speaker This section explains how to install the ESD Ceiling Speaker, that is: • Choosing the best place to locate your speaker (see Section 4.1 • Connecting the wires (see ) Section 4.2 • Determining the number ...

ESD Ceiling Speaker - Installing the ESD Ceiling Speaker 7 4.3 Determining the Number of Speakers Needed and their Location When installed in a room with a standard ceiling height of 2.7m (8.8 feet), the optimal distance between the speakers is about 10 meters. The speaker should be installed length...

8 ESD Ceiling Speaker - Installing the ESD Ceiling Speaker • If the size of the room requires more than one speaker, use two mono speaker models. Connect the speakers to the left and right connectors of the amplifier, respectively (see Figure ) 6 Figure 5: Connecting One Stereo Speaker Figure 6: Con...

ESD Ceiling Speaker - Installing the ESD Ceiling Speaker 9 4.4 Preparing the ESD Ceiling Speaker for Operation Once the location of the speaker is fixed, prepare the speaker for operation as follows: 1. Move each of the pivoting tweeters outward in an angle that is suited to the room shape and size....

10 ESD Ceiling Speaker - Installing the ESD Ceiling Speaker Figure 7: Fitting the Tile Size Speaker 2. Secure the speaker by connecting the speaker support ring to an independent secure ceiling anchor point (see Figure 8 ) as appropriate. The anchor prevents the speaker from falling if the tile itse...

ESD Ceiling Speaker - Installing the ESD Ceiling Speaker 11 3. If required, daisy-chain the next speaker (see Section 4.3 Note: Do not over-tighten the screws. It may cause damage to both the speakers and the surface. ). 4.6 Installing the Half-Tile Size Speaker When installing the half-tile size mo...

12 ESD Ceiling Speaker - Installing the ESD Ceiling Speaker Figure 10: Fitting the Half-Tile Size Speaker 5. Replace half of the ceiling tile (see Figure 11 ). Figure 11: Replacing the Ceiling Tile 6. Secure the speaker by connecting the speaker support ring to an independent secure ceiling anchor p...

ESD Ceiling Speaker - Installing the ESD Ceiling Speaker 13 Figure 12 shows an example of how the ESD Ceiling Speaker can be installed in a boardroom setup: Figure 12: ESD Ceiling Speaker in a Boardroom Setup

14 ESD Ceiling Speaker - Technical Specifications 5 Technical Specifications Technical Specifications of the PRO ESD Ceiling Speakers INPUT POWER: 40W RMS; max. 80 W; continuous load: 40W (24Hr) NOMINAL SENSITIVITY: 87dB SPL @1m CROSSOVER FREQUENCY: 2kHz MEAN SPL: 87dB +/- 1dB @1W-1m FREQUENCY RANGE...

For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: E-mail: www.kramerelectronics.com [email protected] ! SAFETY WARNING Disconnect the unit from ...