Kramer SPK-C816, SPK-C814, SPK-C813, SPK-C815, SPK-C817 User Manual
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KRAMER ELECTRONICS LTD.
USER MANUAL
MODELS:
SPK-C812
SPK-C813
SPK-C814
SPK-C815
SPK-C816
SPK-C817
SPK-C818
SPK-C819
SPK-C820
ESD™ Complete K-overage
Ceiling Speaker
P/N: 2900-300119 Rev 1
ESD Ceiling Speaker – Contents i
Contents
1 Introduction 1
2 Getting Started 2
2.1 Achieving the Best Performance 2
3 Overview 3
3.1 Defining the ESD Ceiling Speaker 5
4 Installing the ESD Ceiling Speaker 6
4.1 Choosing the Best Location 6
4.2 The Input Pinout 6
4.3 Determining the Number of Speakers Needed and their Location 7
4.4 Preparing the ESD Ceiling Speaker for Operation 9
4.5 Installing the Tile Size Speaker 9
4.6 Installing the Half-Tile Size Speaker 11
5 Technical Specifications 14
Figures
Figure 1: Tile Size ESD Ceiling Speaker (that fits into the ceiling) 4
Figure 2: ESD Ceiling Speaker
5
Figure 3: ESD Ceiling Speaker 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 Tile Size Speaker
10
Figure 8: Securing the Speaker to a Ceiling Anchor Point
10
Figure 9: Placing the Ceiling Mounting Bracket
11
Figure 10: Fitting the Half-Tile Size Speaker
12
Figure 11: Replacing the Ceiling Tile
12
Figure 12: ESD Ceiling Speaker in a Boardroom Setup
13
ESD Ceiling Speaker - Introduction 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 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 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 and
GROUP 11: Sierra Products.
Congratulations on purchasing your Kramer ESD™ (Equal Sound Dispersion)
Ceiling Speaker, which is ideal for overhead distributed audio for professional
applications (music and speech) and educational applications (mainly speech), as
shown here:
Complete K-overage ESD
® Ceiling Speakers:
Applications
SPK-C812, SPK-C813, SPK-C814,
SPK-C815, SPK-C820
SPK-C816, SPK-C817, SPK-C818,
SPK-C819
Business and professional environments
(such as presentations)
Educational environments
(such as lectures)
• Conference rooms and boardrooms
• Hotel lobbies and large office buildings
• Retail stores
• Airports
• University lecture halls
• Classrooms
• Presentation venues
2 ESD Ceiling Speaker - Getting Started
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 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 appliances that may adversely
influence signal quality
• Position your Kramer Speakers away from moisture, excessive sunlight and
dust
i
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 four pivoting
tweeters and is housed in an enclosed shallow enclosure.
The Kramer complete K-overage ESD provides unmatched sound response in a
suspended ceiling device for the professional (PRO) and educational (EDU)
markets. This means that you get the sound you need but with a reduced number
of speakers.
The ESD ceiling 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 voice
reproduction
• 4 pivoting tweeters, 3/4” (6Ω) with silk domes
• A polypropylene cone woofer (8Ω)
• A 40W RMS power rating
• Smooth frequency response
• A shallow 4-inch depth (approx. 100mm)
• RoHS compliance
Compliance to RoHS means acting in full accordance with RoHS regulations that
restrict the use of certain dangerous substances commonly used in electronic and
electronic equipment
• A choice of models: tile size or half-tile size, stereo or mono (see table
below)
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 configurations, and a slightly smaller
size (for any region with suspended ceiling tiles of 595mm) as defined here:
Complete K-overage ESD® Ceiling Speakers Available Models
Model Name Part Number Description
Professional
tile size stereo
SPK-C812
• Polypropylene woofer, surrounded with rubber
• 2 left and 2 right silk dome tweeters
• No bass reflex
Professional
tile size mono
SPK-C813
• Polypropylene woofer, surrounded with rubber
• 4 silk dome tweeters
• No bass reflex
Professional
half-tile size
stereo
SPK-C814
• Polypropylene woofer, surrounded with rubber
• 2 left and 2 right silk dome tweeters
• No bass reflex
Professional
half-tile size
mono
SPK-C815
• Polypropylene woofer, surrounded with rubber
• 4 silk dome tweeters
• No bass reflex
Educational tile
size stereo
SPK-C816
• Paper cone woofer, surrounded with rubber
• 2 left and 2 right Ti pivoting tweeters, installer adjusted
• Bass reflex
Educational tile
size mono
SPK-C817
• Paper cone woofer, surrounded with rubber
• 4 Ti pivoting tweeters, installer adjusted
• Bass reflex
Educational
half-tile size
stereo
SPK-C818
• Paper cone woofer, surrounded with rubber
• 2 left and 2 right Ti pivoting tweeters, installer adjusted
• Bass reflex
Educational
half-tile size
mono
SPK-C819
• Paper cone woofer, surrounded with rubber
• 4 Ti pivoting tweeters, installer adjusted
• Bass reflex
Professional
Tile size stereo
(for
595mm
tiles)
SPK-C820
• Polypropylene woofer, surrounded with rubber
• 2 left and 2 right silk dome tweeters
• No bass reflex
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