KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
SPK-C612
Closed-back Ceiling Speakers
P/N: 2900-300187 Rev 1
Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
3 Overview 3
4 Your SPK-C612 Closed-back Ceiling Speakers 4
5 Installing the SPK-C612 Closed-back Ceiling Speakers 6
5.1 Choosing the Best Location 6
5.2 Cutting the Ceiling Tile 6
5.3 Mounting the Speakers 7
5.4 Painting the Speaker 10
6 Technical Specifications 11
Figures
UFigure 1: SPK-C612 in a Boardroom SetupU 3
UFigure 2: SPK-C612 Closed-back Ceiling SpeakerU 4
UFigure 3: SPK-C612 Schematic DiagramU 5
UFigure 4: Mounting the SPK-C612U 7
UFigure 5: Plugging and Securing the CableU 8
UFigure 6: Tighten the Mounting TabsU 9
UFigure 7: Adjust Tap SelectorU 9
SPK-C612 – Contents i
1
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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 video, audio, presentation, and broadcasting professionals
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 that are clearly defined
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;
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 and GROUP 11:
Sierra Products.
Congratulations on purchasing your Kramer SPK-C612 Closed-back Ceiling
Speakers, which are ideal for the following typical applications:
• Boardrooms • Presentation venues
• Conference Rooms • Training Rooms
• Educational classrooms • Hotel lobbies
The package includes the following items:
• A pair of SPK-C612 speakers
• Mounting kit
• This user manual
SPK-C612 is designed for indoor dry locations and are suitable for
use in air handling spaces (plenum spaces).
SPK-C612 - Introduction 1
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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 high-resolution cables
Go to http://www.kramerelectronics.com to check for up-to-date
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 (such as the Kramer BC-2S) to
avoid interference, deterioration in signal quality due to poor matching, and
elevated noise levels (often associated with low quality cables)
• Do not secure the cables in tight bundles or roll the slack into tight coils
• Avoid interference from neighboring electrical appliances that may adversely
influence signal quality
• Position your Kramer SPK-C612 away from moisture, excessive sunlight
and dust
To ensure that you obtain the best sound results, do not open the
housing of the passive speaker or the active speaker.
UL2043 – Fire Test for Heat and Visible Smoke Release for
Discrete Products and their Accessories Installed in Air-Handling
Spaces.
2 SPK-C612 - Getting Started
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