Kramer SPK-CC678, SPK-CCV448, SPK-CCV444 User Manual
Kramer Electronics, Ltd.
USER MANUAL
Models:
SPK-CC678, Closed-back Ceiling Speakers
SPK-CCV448, Closed-back Ceiling Speakers
SPK-CCV444, Closed-back Ceiling Speakers
Contents
i
Contents
1 Introduction 1
2 Getting Starte d 1
3 Overview 2
4 Your Closed-back Ceiling Speakers 3
5 Installing the Closed-back Ceiling Speakers 6
5.1 Choosing the Best Location 6
5.2 Cutting the Ceiling Tile 7
5.3 Mounting the Speakers 8
5.4 Painting the Speaker 10
6 Technical Specifications 11
Figures
Figure 1: Closed-back Ceiling Speakers in a Boardroom Setup 2
Figure 2: SPK-CC678 Closed-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-back Ceiling Speakers Hardware Items
5
Table 3: Ceiling Mounting Kit Items
5
Table 4: Technical Specifications of the SPK-CC678 11
Table 5: Technical Specifications of the SPK-C CV448 and the SPK-CCV444
11
Introduction
1 1
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 be s t even better! Our
1,000-plus different models now appear in 11 groups
1
Congratulations on purchasing your Kramer Closed-back Ceiling Speakers,
whic h are available in three models: SPK-CC678, SPK-CCV448 and
SPK-CCV444, and are ideal for:
that are clearly defined
by functio n.
• 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 t he equip ment carefully and s ave the original box and packaging
materials for possible fut ure 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; GR OUP 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
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
2
3 Overview
The Closed-back Ceiling speakers consist of a pair of high performance
closed back speakers. The pair can be mounted on the ceiling, as well as via a
ceiling mounting kit used to safely secure the speakers to the ceiling.
Table 1
defines t he 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 Boardroom Setup
Your Closed-back Ceiling Speaker s
3 3
To achieve the best performance:
• Connect only good quality connection cables
1
• Avoid interference from neighboring electrical ap pliances and positio n
your Kramer Closed-back Ceiling speakers a w ay fro m mo ist u r e,
excessive sunlight and dust
, thus avoiding int erference,
deterioration in signal q uality due to poor matching, and elevated noiselevels (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
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