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Introduction 

 

1  Introduction 

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been 
providing a world of unique, creative, and affordable solutions to the vast 
range of problems that confront the video, audio, presentation, and 
broadcasting professional on a daily basis. In recent years, we have 
redesigned and upgraded most of our line, making the best even better! Our 
1,000-plus different models now appear in 11 groups

1

Congratulations on purchasing your

 

Kramer 

Closed-back Ceiling Speakers

,

 

which are

 

available in three models: 

SPK-CC678

SPK-CCV448

 and 

SPK-CCV444

,

 

and are ideal for: 

 that are clearly defined 

by function.  

 

Conference rooms, classrooms and training rooms 

 

Boardrooms 

 

Hotel lobbies  

 

Presentation venues 

The package includes the following items: 

 

SPK-CC678

, and/or

 SPK-CCV448

 and/or 

SPK-CCV444 

 

 

Mounting kit 

 

This user manual

2

2  Getting Started 

 

We recommend that you: 

 

Unpack the equipment carefully and save the original box and packaging 
materials for possible future shipment 

 

Review the contents of this user manual 

 

Use Kramer high performance cables

3

 

 

 
 
 

                                                        

1  GROUP 1:  Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;  

GROUP 4: Format/Standards 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; GROUP 11: Sierra Products 

2 Download up-to-date Kramer user manuals from the Internet at this URL: 

http://www.kramerelectronics.com

 

3 The complete list of Kramer cables is on our Web site at 

http://www.kramerelectronics.com

 

Содержание SPK-CC678

Страница 1: ...Kramer Electronics Ltd USER MANUAL Models SPK CC678 Closed back Ceiling Speakers SPK CCV448 Closed back Ceiling Speakers SPK CCV444 Closed back Ceiling Speakers ...

Страница 2: ...d back Ceiling Speaker 4 Figure 3 SPK CCV448 SPK CCV444 Closed back Ceiling Speaker 4 Figure 4 Closed back Ceiling Speaker Schematic Diagram 6 Figure 5 Installing the Closed back Ceiling Speakers 8 Figure 6 Plugging and Securing the Cable 9 Figure 7 Tighten the Mounting Tabs 9 Figure 8 Adjust Tap Selector for the SPK CC678 10 Tables Table 1 Closed back Ceiling Speakers Definition 2 Table 2 Closed ...

Страница 3: ...ntation venues The package includes the following items SPK CC678 and or SPK CCV448 and or SPK CCV444 Mounting kit This user manual2 2 Getting Started We recommend that you Unpack the equipment carefully and save the original box and packaging materials for possible future shipment Review the contents of this user manual Use Kramer high performance cables3 1 GROUP 1 Distribution Amplifiers GROUP 2...

Страница 4: ...nting kit used to safely secure the speakers to the ceiling Table 1 defines the Closed back Ceiling speakers Table 1 Closed back Ceiling Speakers Definition Name Diameter Resistance Ω Closed back Depth SPK CC678 6 5 8 7 SPK CCV448 4 8 4 SPK CCV444 4 4 4 Figure 1 shows an example of how the Closed back Ceiling speakers can be installed in a boardroom setup Figure 1 Closed back Ceiling Speakers in a...

Страница 5: ... Kramer Closed back Ceiling speakers away from moisture excessive sunlight and dust thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables 4 Your Closed back Ceiling Speakers Figure 2 and Figure 3 define the SPK CC678 and the SPK CCV448 and SPK CCV444 respectively 1 Such as the Kramer BC 2S cable ...

Страница 6: ...KRAMER SIMPLE CREATIVE TECHNOLOGY Your Closed back Ceiling Speakers 4 Figure 2 SPK CC678 Closed back Ceiling Speaker Figure 3 SPK CCV448 SPK CCV444 Closed back Ceiling Speaker ...

Страница 7: ...ed back ceiling speaker is supported by a C ring and two tile rails2 When mounting onto the ceiling tiles3 use both supports When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material Figure 4 shows a schematic diagram of the closed back ceiling speaker 1 The quantity applies to all models 2 The tile rails prevent the speakers from falling if the tile itself ...

Страница 8: ...peakers see section 5 1 Cutting the ceiling tile see section 5 2 Mounting the Speakers see section 5 3 Painting the speakers see section 5 4 5 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 mou...

Страница 9: ...e speaker hole over an empty box The closed back ceiling speakers are supported by the ceiling mounting kit two C rings and two pairs of tile rails4 When mounting onto the ceiling tiles5 use both supports When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material 1 Keep this template for later use as a mask as you may want to paint the speakers see section 5 ...

Страница 10: ...eaker wires to the appropriate connector terminals1 and screw the hold down screws on the connector until tight2 Wiring in parallel connect the wire pair of the subsequent speaker to PIN 2 and PIN 3 When one input connector is removed subsequent speakers will remain connected see You can connect the speakers in the two following possible layouts Figure 4 Daisy chaining connect the wire pair of the...

Страница 11: ...hus clamping the speaker to the wall from its rear side Note Do not over tighten the screws It may cause damage to both the speakers and the surface Figure 7 Tighten the Mounting Tabs 9 If required you can further secure the speaker by connecting the speaker support ring to an independent secure anchor point 10 Adjust each speaker to the appropriate tap setting before installing the grille see Fig...

Страница 12: ...nting before installation Clean the rim and grille with mineral spirits or other light solvent that is unlikely to damage the surface Spray with color by holding the spray can at an angle of 45 Note When spraying the grille take care not to clog the holes in the grille as this will greatly reduce the sound quality of the speakers When painting after installation Use the circle that you cut out of ...

Страница 13: ...25 2cm 9 92 CUT OUT SIZE MOUNT DIMENSION 22 3cm 8 78 MOUNT DEPTH 19 5cm 7 68 ACCESSORIES Ceiling mounting kit Table 5 Technical Specifications of the SPK CCV448 and the SPK CCV444 SPK CCV444 SPK CC448 DESCRIPTION 2 way co axial speaker HIGH FREQUENCY DRIVER 1 MYLAR tweeter LOW FREQUENCY DRIVER 4 Polypropylene cone with rubber edge woofer IMPEDANCE 4Ω 8Ω CROSSOVER FREQUENCY 10kHz 10kHz SENSITIVITY ...

Страница 14: ...ning orotheractsofnature ii Product modification orfailureto followinstructions supplied with theproduct iii Repairorattemptedrepairby anyonenot authorized byKramer iv Anyshipment oftheproduct claims must bepresentedtothe carrier v Removalorinstallationoftheproduct vi Anyothercause whichdoes not relateto aproduct defect vii Cartons equipment enclosures cables or accessoriesusedinconjunctionwiththe...

Страница 15: ...mail info kramerel com P N 2900 000692 REV 1 For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback ...

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