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KRAME R E LE CT RONIC S L TD.  

USER MANUAL

 

 

MODEL: 

SPK-CCF848 

ESD™ Complete K-overage 
Ceiling Speaker

 

 

 

 

P/N: 2900-000735 Rev 4 

Summary of Contents for SPK-CCF848

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODEL SPK CCF848 ESD Complete K overage Ceiling Speaker P N 2900 000735 Rev 4 ...

Page 2: ...5 Technical Specifications 14 Figures Figure 1 Full Tile CCF SPK848 that fits into the ceiling 4 Figure 2 SPK CCF848 Flat Ceiling Speaker 5 Figure 3 SPK CCF848 Input Pinout 6 Figure 4 Speaker Location in a Room using ESD Speakers vs using Standard Ceiling Speakers 7 Figure 5 Connecting One Stereo Speaker 8 Figure 6 Connecting Two Mono Speakers 8 Figure 7 Fitting the Full Tile Speaker 10 Figure 8 S...

Page 3: ...ds Converters GROUP 5 Range Extenders and Repeaters GROUP 6 Specialty AV Products GROUP 7 Scan Converters and Scalers GROUP 8 Cables and Connectors GROUP 9 Room Connectivity GROUP 10 Accessories and Rack Adapters and GROUP 11 Sierra Products Congratulations on purchasing your Kramer SPK CCF848 ESD Equal Sound Dispersion Ceiling Speaker which is ideal for overhead distributed audio for professional...

Page 4: ... user manuals application programs and to check if firmware upgrades are available where appropriate 2 1 Achieving the Best Performance To achieve the best performance Use only good quality connection cables to avoid interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables Avoid interference from neighboring electrical app...

Page 5: ...umber of speakers The SPK CCF848 speaker features Complete K overage ESD a patent pending design with 4 pivoting tweeters that direct the sound based on the room environment for equal sound dispersion ESD Wide 180 sound dispersion One Kramer ESD speaker that replaces multiple standard speakers for quick and easy installation Excellent bass response that is optimized for music and high quality voic...

Page 6: ... No bass reflex Professional stereo full tile SPK CCF848 60 PRO ST Polypropylene woofer surrounded with rubber 2 left and 2 right silk dome tweeters No bass reflex Professional stereo half tile SPK CCF848 30 PRO ST Polypropylene woofer surrounded with rubber 2 left and 2 right silk dome tweeters No bass reflex Educational mono full tile SPK CCF848 60 EDU Paper cone woofer surrounded with rubber 4 ...

Page 7: ...Speaker Tile Base Half tile or full tile size 2 Speaker Steel Enclosure Shallow fireproof enclosure 3 INPUT Terminal Block Connector Connect to the audio source see Section 4 2 4 Anchor Ring Secure the speaker to the ceiling anchoring point 5 Tweeters 4 Pivoting titanium or silk 6 Woofer Polypropylene or paper surrounded by rubber 7 Bass Port For a bass reflex effect Top View Underside View ...

Page 8: ...e Section 4 6 4 1 Choosing the Best Location Ideally locate the speakers above the main listening area Before doing so be sure that The desired location is free of obstructions such as electrical piping AC ducts or water lines and so on There is enough space behind the mounting surface for the speaker The rear side of the speaker is not blocked by wall studs or other objects 4 2 The Input Pinout F...

Page 9: ...m room size requires only one ESD speaker for full room coverage rather than four standard ceiling speakers Figure 4 Speaker Location in a Room using ESD Speakers vs using Standard Ceiling Speakers To achieve optimum sound quality and ESD Equal Sound Dispersion Select the appropriate output from the amplifier to use with the speaker either stereo or mono If the size of the room only requires a sin...

Page 10: ...e 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 Connecting Two Mono Speakers OUTPUT INPUT Amplifier Speaker 8Ω OUTPUT INPUT INPUT Amplifier Speaker Speaker 8Ω 8Ω ...

Page 11: ... Figure 3 from the adjacent ceiling tile opening 5 Place the speaker temporarily in place and test the audio quality 6 If you are satisfied disconnect the amplifier and remove the speaker from the ceiling If not change the position of the tweeters and check the audio quality again until you are happy with the results 7 Fit the speaker grille over the speaker underside and tighten with screws To in...

Page 12: ...eaker 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 itself comes out or falls apart Figure 8 Securing the Speaker to a Ceiling Anchor Point ...

Page 13: ...When installing the half tile model 1 Remove the ceiling tile 2 Cut the ceiling tile in half to 30x60cm 3 Place the ceiling mounting bracket supplied with the half tile unit only between the ceiling rails as illustrated in Figure 9 Figure 9 Placing the Ceiling Mounting Bracket 4 Drop the half tile speaker in the appropriate opening so it is supported by the ceiling rails and the ceiling mounting b...

Page 14: ... 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 point see Figure 8 The anchor prevents the speaker from falling if the tile itself comes out or falls apart ...

Page 15: ...SPK CCF848 Installing the Flat Ceiling Speaker 13 Figure 12 shows an example of how the SPK CCF848 can be installed in a boardroom setup Figure 12 SPK CCF848 ESD Ceiling Speaker in a Boardroom Setup ...

Page 16: ... bracket supplied with half tile units only Specifications are subject to change without notice at http www kramerelectronics com Technical Specifications of the SPK CCF848 EDU INPUT POWER 40W RMS max 80 W Continuous load 40W 24Hr NOMINAL SENSITIVITY 90dB SPL 1m CROSSOVER FREQUENCY 2kHz MEAN SPL 90dB 1dB 1W 1m FREQUENCY RANGE Nominal 150Hz 20kHz max 100Hz 20kHz SPEAKER TYPE Two way bass reflex clo...

Page 17: ...of nature ii Product modification orfailure to follow instructions supplied withtheproduct iii Repair orattemptedrepairby anyone not authorized by Kramer iv Any shipment of theproduct claims must bepresentedtothe carrier v Removal orinstallation of theproduct vi Any other cause which does not relate to aproduct defect vii Cartons equipment enclosures cables or accessories used inconjunction withth...

Page 18: ...tributors visit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com SAFETY WARNING Disconnect the unit from the power supply before opening and servicing ...

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