USER MANUAL
Contents
1. SPK C411 SPK C412 Overview EH 4 Your Closed back Ceiling Speakers Figure 2 defines the SPK C411 SPK C412 Side View Front View 4 i Mounting screws J Tap selector Input terminal cover is not shown Input terminal connector Rotating mounting tabs Auxiliary support ring Rear View Figure 2 SPK C411 SPK C412 Closed back Ceiling Speaker The following table defines the Closed back Ceiling speaker hardware items per speaker pair for each model in the series Description A pair of Ceiling i Two grilles Cutout speakers one shown template one shown This table defines the ceiling mounting kit items Four j Two ceiling Two pairs of gt support support rings 4 tile rails ag ring C ring one one of a pair n screws shown ae shown SPK C411 SPK C412 Your Closed back Ceiling Speakers Each Closed back Ceiling speaker is supported by a C ring and two tile rails The tile rails prevent the speakers from falling if the tile itself comes out or falls apart as their ends catch onto the T grid When mounting onto the ceiling tiles use both supports When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material Be sure that the tiles can support the speaker Smaller sized tiles or fiberglass type tiles cannot support the weight of the speakers When this is the case the speakers will need additional support Figure 3 shows a2. KRAMER ELECTRONICS LTD USER MANUAL MODELS SPK C411 Closed back Ceiling Speakers SPK C412 Glosed back Ceiling Speakers P N 2900 3001 88 Rev 1 This page is intentionally left blank Contents 1 Introduction 2 Getting Started 2 1 Achieving the Best Performance 3 Overview 4 Your Closed back Ceiling Speakers 5 Installing the Closed back Ceiling Speakers 5 1 Choosing the Best Location 5 2 Cutting the Ceiling Tile 5 3 Mounting the SPK C411 SPK C412 Speakers 5 4 Painting the Speaker 6 Technical Specifications Figures Figure 1 SPK C411 SPK C412 Closed back Ceiling Speakers in a Boardroom Setup Figure 2 SPK C411 SPK C412 Closed back Ceiling Speaker Figure 3 Closed back Ceiling Speaker Schematic Diagram Figure 4 Mounting the SPK C411 SPK C412 Closed back Ceiling Speakers Figure 5 Plugging and Securing the Cable Figure 6 Tighten the Mounting Tabs Figure 7 Adjust Tap Selector for SPK C411 and SPK C412 Respectively ONDD 0 R OO NN _ OOON AK W This page is intentionally left blank Introduction Welcome to Kramer Electronics Since 1981 Kramer Electronics has been providing a world of unigue 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
3. C412 Installing the Closed back Ceiling Speakers 8 Tighten the mounting tabs by turning the screw counter clockwise see Figure 6 The first quarter turn rotates the tab outwards and the following turns tighten the tabs to the rear side of the ceiling surface When tightening the mounting tabs the tabs automatically turn outward thus 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 6 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 Figure 7 Figure 7 Adjust Tap Selector for SPK C411 and SPK C412 Respectively SPK C411 SPK C412 Installing the Closed back Ceiling Speakers KEN 9 4 11 Install the grilles to the speakers Push the grille fastener into the hole in front of the baffle Press the grille into place until the front of the grille is flush with the rim of the baffle Check that the grille is securely seated To remove the grille insert two bent paper clips into the holes in the grille and carefully pull it down Repeat this around the perimeter of the grille until it is completely removed Painting the Speaker You can paint the speakers before or after they are installed When pai
4. Kramer Electronics office from the list at the end of this document Your rights under this limited warranty are not diminished if you do not complete and return the product registration form or complete and submit the online product registration form Kramer Electronics thanks you for purchasing a Kramer Electronics product We hope it will give you years of satisfaction This page is intentionally left blank This page is intentionally left blank For the latest information on our products and a list of Kramer distributors 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 KRAMER E mail info kramerel com LISTED Disconnect the unit from the power a supply before opening and servicing Rev 2900 300188 SAFETY WARNING 1
5. 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 C411 and SPK C412 Closed back Ceiling Speakers which are ideal for the following typical applications e Boardrooms e Presentation venues e Conference rooms e Training rooms e Educational classrooms e Hotel lobbies The package includes the following items e Apair of SPK C411 and or SPK C412 speakers e Mounting kit e This user manual SPK C411 and SPK C412 are designed for indoor dry locations and are suitable for use in air handling spaces plenum spaces 2 2 1 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual e 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 Achieving the Best Performance To achieve the best performa
6. schematic diagram of the Closed back Ceiling speaker PARALLEL WIRING From the amplifier or the previous speaker To the next speaker DAISY CHAIN WIRING From the amplifier or the previous speaker m T To the next speaker Figure 3 Closed back Ceiling Speaker Schematic Diagram 5 5 1 5 2 Installing the Closed back Ceiling Speakers This section explains how to install the SPK C411 SPK C412 closed back ceiling speakers that is e Choosing the best place to locate your speakers see Section 5 1 e Cutting the ceiling tile see Section 5 2 e Mounting the Speakers see Section 5 3 e Painting the speakers see Section 5 4 Choosing the Best Location Ideally locate the speakers above the main listening area Before doing so be sure that e The desired location is free of obstructions such as electrical piping AC ducts or water lines and so on e There is enough space behind the mounting surface for the speakers e The rear side of the speaker is not blocked by wall studs or other objects Cutting the Ceiling Tile To cut the ceiling tile do the following 1 Remove the circle in the supplied template Keep this template for later use as a mask as you may want to paint the speakers see Section 5 4 2 Mark the opening in the correct location by tracing the hole in the template 3 Cut out the hole according to the template or with a circular cutter set to the appropriate c
7. MAXIMUM EXTENT PERMITTED BY LAW KRAMER ELECTRONICS SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IF KRAMER ELECTRONICS CANNOT LAWFULLY DISCLAIM OR EXCLUDE IMPLIED WARRANTIES UNDER APPLICABLE LAW THEN ALL IMPLIED WARRANTIES COVERING THIS PRODUCT INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL APPLY TO THIS PRODUCT AS PROVIDED UNDER APPICABLE LAW IF ANY PRODUCT TO WHICH THIS LIMITED WARRANTY APPLIES IS A CONSUMER PRODUCT UNDER THE MAGNUSON MOSS WARRANTY ACT 15 U S C A 2301 ET SEQ OR OTHER APPICABLE LAW THE FOREGOING DISCLAIMER OF IMPLIED WARRANTIES SHALL NOT APPLY TO YOU AND ALL IMPLIED WARRANTIES ON THIS PRODUCT INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR THE PARTICULAR PURPOSE SHALL APPLY AS PROVIDED UNDER APPLICABLE LAW Other Conditions This limited warranty gives you specific legal rights and you may have other rights which vary from country to country or state to state This limited warranty is void if i the label bearing the serial number of this product has been removed or defaced ii the product is not distributed by Kramer Electronics or iii this product is not purchased from an authorized Kramer Electronics reseller If you are unsure whether a reseller is an authorized Kramer Electronics reseller please visit our Web site at www kramerelectronics com or contact a
8. NDED AMPLIFIER 20W POWER INPUT CONNECTOR Terminal block SHIPPING WEIGHT FOR PAIR CUT OUT SIZE MOUNT 22 3cm 8 78 DIMENSION MOUNT DEPTH 11cm 4 33 ACCESSORIES Ceiling mounting kit Specifications are within a 10 tolerance and are subject to change without notice at http www kramerelectronics com LIMITED WARRANTY The warranty obligations of Kramer Electronics for this product are limited to the terms set forth below What is Covered This limited warranty covers defects in materials and workmanship in this product What is Not Covered This limited warranty does not cover any damage deterioration or malfunction resulting from any alteration modification improper or unreasonable use or maintenance misuse abuse accident neglect exposure to excess moisture fire improper packing and shipping such claims must be presented to the carrier lightning power surges or other acts of nature This limited warranty does not cover any damage deterioration or malfunction resulting from the installation or removal of this product from any installation any unauthorized tampering with this product any repairs attempted by anyone unauthorized by Kramer Electronics to make such repairs or any other cause which does not relate directly to a defect in materials and or workmanship of this product This limited warranty does not cover cartons eguipment enclosures cables or accessories used in conjunction with this produ
9. ct Without limiting any other exclusion herein Kramer Electronics does not warrant that the product covered hereby including without limitation the technology and or integrated circuit s included in the product will not become obsolete or that such items are or will remain compatible with any other product or technology with which the product may be used How Long Does this Coverage Last One year as ofthis printing please check our Web site for the most current and accurate warranty information Who is Covered Only the original purchaser of this product is covered under this limited warranty This limited warranty is not transferable to subseguent purchasers or owners ofthis product What Kramer Electronics will do Kramer Electronics will at its sole option provide one of the following three remedies to whatever extent it shall deem necessary to satisfy a proper claim under this limited warranty 1 Elect to repair or facilitate the repair of any defective parts within a reasonable period of time free of any charge for the necessary parts and labor to complete the repair and restore this product to its proper operating condition Kramer Electronics will also pay the shipping costs necessary to return this product once the repair is complete 2 Replace this product with a direct replacement or with a similar product deemed by Kramer Electronics to perform substantially the same function as the original product 3 Issue a refund of
10. ges Support Rin Screws Ceiling Tile Figure 4 Mounting the SPK C411 SPK C412 Closed back Ceiling Speakers 2 Place the tile rails on the tile and snap them into the two tabs on the C ring Align the rails so that the ends extend over the T channel grid 3 Insert a screw through each tab on the C ring to secure the rails 4 Connect the speaker wires to the appropriate connector terminals PIN 1 and PIN 2 are connected internally and are positive PIN 3 and PIN 4 are connected internally and are negative Screw the hold down screws on the connector until tight using a small screwdriver You can connect the speakers in the two following possible layouts 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 Figure 3 Daisy chaining connect the wire pair of the subsequent speaker to PIN 1 and PIN 4 When one input connector is removed subsequent speakers will be disconnected see Figure 3 5 Plug the connector into the socket in the terminal cup of the speaker see Figure 5 6 Run the wires through the wires opening in the input terminal cover plug and then into the terminal block connector of the speaker Figure 5 Plugging and Securing the Cable 7 Push the speaker into the ceiling hole until the front baffle rim is leveled with the ceiling SPK C411 SPK
11. n original dated receipt as proof of purchase from an authorized Kramer Electronics reseller If this product is returned under this limited warranty a return authorization number obtained from Kramer Electronics will be required You may also be directed to an authorized reseller or a person authorized by Kramer Electronics to repair the product If it is decided that this product should be returned directly to Kramer Electronics this product should be properly packed preferably in the original carton for shipping Cartons not bearing a return authorization number will be refused Limitation on Liability THE MAXIMUM LIABILITY OF KRAMER ELECTRONICS UNDER THIS LIMITED WARRANTY SHALL NOT EXCEED THE ACTUAL PURCHASE PRICE PAID FOR THE PRODUCT TO THE MAXIMUM EXTENT PERMITTED BY LAW KRAMER ELECTRONICS IS NOT RESPONSIBLE FOR DIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION OR UNDER ANY OTHER LEGAL THEORY Some countries districts or states do not allow the exclusion or limitation of relief special incidental consequential or indirect damages or the limitation of liability to specified amounts so the above limitations or exclusions may not apply to you Exclusive Remedy TO THE MAXIMUM EXTENT PERMITTED BY LAW THIS LIMITED WARRANTY AND THE REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES REMEDIES AND CONDITIONS WHETHER ORAL OR WRITTEN EXPRESS OR IMPLIED TO THE
12. nce e 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 e Do not secure the cables in tight bundles or roll the slack into tight coils e Avoid interference from neighboring electrical appliances that may adversely influence signal quality e Position your Kramer SPK C411 SPK C412 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 LISTED Spaces 3 Overview The SPK C411 SPK C412 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 The speakers are defined in the following table Name Diameter Impedance Q Closed back Depth SPK CAt1 skea a 6 a Figure 1 shows an example of how the SPK C411 SPK C412 Closed back Ceiling speakers can be installed in a boardroom setup A VO Speakers RS 232 333333333 3 33333333 Projector DVD Figure 1 SPK C411 SPK C412 Closed back Ceiling Speakers in a Boardroom Setup
13. nting before installation e Clean the rim and grille with mineral spirits or other light solvent that is unlikely to damage the surface e Spray with color by holding the spray can at an angle of 45 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 e Use the circle that you cut out of the template as a paint mask e After you finish painting remove the paint mask 6 Technical Specifications SPK C411 DESCRIPTION HIGH FREQUENCY DRIVER 1 2 MYLAR dome tweeter LOW FREQUENCY DRIVER DISPERSION COVERAGE 75 100 2000Hz CROSSOVER FREQUENCY NOMINAL SENSITIVITY DIRECTIVITY FACTOR Q 5 7 averaged 100Hz 10kHz 6 8 2kHz FREQUENCY RESPONSE INPUT POWER TRANSFORMER TOV 3 7W 7 5W 15W 30W 100V 7 5W 15W 30W RECOMMENDED AMPLIFIER 20W POWER INPUT CONNECTOR Terminal block CUT OUT SIZE MOUNT 22 3cm 8 78 DIMENSION MOUNT DEPTH 11cm 4 33 ACCESSORIES Ceiling mounting kit Specifications are within a 10 tolerance and are subject to change without notice at http www kramerelectronics com SPK C412 DESCRIPTION HIGH FREQUENCY DRIVER 1 2 MYLAR dome tweeter LOW FREQUENCY DRIVER DISPERSION COVERAGE CROSSOVER FREQUENCY NOMINAL SENSITIVITY DIRECTIVITY FACTOR Q FREQUENCY RESPONSE INPUT POWER TRANSFORMER TOV 3 7W 7 5W 15W 30W 100V 7 5W 15W 30W RECOMME
14. the original purchase price less depreciation to be determined based on the age of the product at the time remedy is sought under this limited warranty What Kramer Electronics will not do Under This Limited Warranty If this product is returned to Kramer Electronics or the authorized dealer from which it was purchased or any other party authorized to repair Kramer Electronics products this product must be insured during shipment with the insurance and shipping charges prepaid by you If this product is returned uninsured you assume all risks of loss or damage during shipment Kramer Electronics will not be responsible for any costs related to the removal or re installation of this product from or into any installation Kramer Electronics will not be responsible for any costs related to any setting up this product any adjustment of user controls or any programming required for a specific installation of this product How to Obtain a Remedy under this Limited Warranty To obtain a remedy under this limited warranty you must contact either the authorized Kramer Electronics reseller from whom you purchased this product or the Kramer Electronics office nearest you For a list of authorized Kramer Electronics resellers and or Kramer Electronics authorized service providers please visit our web site at www kramerelectronics com or contact the Kramer Electronics office nearest you In order to pursue any remedy under this limited warranty you must possess a
15. utout size Initially you can cut a smaller area inside the marked hole just to be sure that the space above the speakers is clear 4 Route the wiring from the amplifier to the speakers cutout holes taking care not to place them next to electrical wires or at least at a distance of about two feet from an AC line 9 3 Do not nail or staple the speaker wires If you are mounting the speakers onto a ceiling tile remove the ceiling tiles where you plan to install the speakers Use the template to trace and then cutout the 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 rails the tile rails prevent the speakers from falling if the tile itself comes out or falls apart as their ends catch onto the T grid When mounting onto the ceiling tiles use both supports Be sure that the tiles can support the speaker Smaller sized tiles or fiberglass type tiles cannot support the weight of the speakers When this is the case the speakers will need additional support When mounting onto a sheetrock ceiling the C ring alone is used to reinforce the ceiling material Mounting the SPK C411 SPK C412 Speakers To mount the closed back ceiling speakers do the following 1 Place the C ring over the hole cut in the ceiling tile on the ceiling side Place it around the hole so that the tabs are located in parallel to the tile ed
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