USER MANUAL
Contents
1. ae vor the previous speaker 4 10 Me next apesker y E er DAISY CHAIN WIRING From the amoplifier or the previous speaker To the next speaker Figure 4 Closed back Ceiling Speaker Schematic Diagram k Ceiling Speakers Your Closed back Ceiling Speakers 5 5 1 5 2 Installing the Closed back Ceiling Speakers This section explains how to install the closed back ceiling speakers that is Choosing the best place to locate your speakers 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 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 mounting surface for the speakers 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 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 Mark the opening in the correct location by tracing the hole in the template Cut out the hole according to the template or with a circular cutter set to the appropriate cutout size Initially you can cut a smaller area inside2. pay for the following 1 Removalor installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or programming These costs are the responsibility of the Kramer dealer from whom the product was purchased 3 Shipping charges HOW YOU CAN GET WARRANTY SERVICE 1 To obtain service on you product you must take or ship it prepaid to any authorized Kramer service center 2 Whenever warranty service is required the original dated invoice or a copy must be presented as proof of warranty coverage and should be included in any shipment of the product Please also include in any mailing a contact name company address and a description of the problem s 3 For the name of the nearest Kramer authorized service center consult your authorized dealer LIMITATION OFIMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 1 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss or 2 Any other damages whether incidental consequential or otherwise Some countries may not allow limitations on how long an im
3. the marked hole just to be sure that the space above the speakers is clear 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 5 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 Speakers To install 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 edges T channel Grid Support Rin Screws Ceiling Tile Figure 5 Installi
4. 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 SPK C612 SPK C412 and SPK C411 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 A pair of SPK C612 and or SPK C412 and or SPK C411 speakers e Mounting kit e This user manual 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 Awww 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 performance 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 noi
5. KRAMER ELECTRONICS LTD KRAMER USER MANUAL MODELS SPK C612 Closed back Ceiling Speakers SPK C412 Closed back Ceiling Speakers SPK C41 1 Closed back Ceiling Speakers P N 2900 3001 13 Rev 1 Contents 1 2 2 1 Introduction Getting Started Achieving the Best Performance Overview Your Closed back Ceiling Speakers Installing the Closed back Ceiling Speakers Choosing the Best Location Cutting the Ceiling Tile Mounting the Speakers Painting the Speaker Technical Specifications Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Closed back Ceiling Speakers in a Boardroom Setup SPK C612 Closed back Ceiling Speaker SPK C412 SPK C411 Closed back Ceiling Speaker Closed back Ceiling Speaker Schematic Diagram Installing the Closed back Ceiling Speakers Plugging and Securing the Cable Tighten the Mounting Tabs Adjust Tap Selector for the SPK C612 ONDOODOD RAO NN a h OOON OTF RW 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
6. are warranted for one year from the date of the first customer purchase WHOIS PROTECTED Only the first purchase customer may enforce this warranty WHATIS COVERED AND WHATIS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered by the warranty 1 Any product which is not distributed by us or which is not purchased from an authorized Kramer dealer If you are uncertain as to whether a dealer is authorized please contact Kramer at one of the agents listed in the Web site www kramerelectronics com 2 Any product on which the serial number has been defaced modified or removed or on which the WARRANTY VOID F TAMPERED sticker has been torn reattached removed or otherwise interfered with 3 Damage deterioration or malfunction resulting from i Accident misuse abuse neglect fire water lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removal orinstallation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILLNOT PAY FOR We will pay labor and material expenses for covered items We will not
7. d We welcome your questions comments and feedback Web site www kramerelectronics com KRAMER E mail info kramerel com SAFETY WARNING Disconnect the unit from the power m supply before opening and servicing
8. hat 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 C612 DESCRIPTION HIGH FREQUENCY DRIVER LOW FREQUENCY DRIVER CROSSOVER FREQUENCY BR SENSITIVITY TB FREQUENCY RESPONSE POWER RATING g ate N 5 RECOMMENDED AMPLIFIER 30W POWER WEIGHT PER SINGLE SPEAKER 2 85kg 6 28lbs approx SHIPPING WEIGHT FOR PAIR 8kg 17 64lbs approx DIMENSIONS OD 25 2cm 9 92 CUT OUT SIZE MOUNT 22 3cm 8 78 DIMENSION MOUNT DEPTH 19 5cm 7 68 ACCESSORIES Ceiling mounting kit Specifications are subject to change without notice at http www kramerelectronics com SPK C412 SENSITIVITY 878 SPK C411 4 Polypropylene cone with rubber edge woofer 2 2kg 4 85105 approx 6kg 13 23lbs approx 25 2cm 9 92 CUT OUT SIZE MOUNT D MENSION 22 3cm 8 78 10 80m 4 25 Specifications are subject to change without notice at http www kramerelectronics com LIMITED WARRANTY We warrant this product free from defects in material and workmanship under the following terms HOWLONGIS THE WARRANTY Labor and parts
9. iling Speaker Side View Front View i we 1 j Mounting screws Tap selector Input terminal cover is not shown ym Input terminal connector Auxiliary support ring Rear View Figure 3 SPK C412 SPK C411 Closed back Ceiling Speaker 4 Closed back Ceiling Speakers Your Closed back Ceiling Speakers 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 Cutout speakers one shown template one shown This table defines the ceiling mounting kit items Four Go Two ceiling Two pairs of support Vig supportrings tile rails ring C ring one one of a pair screws shown shown 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 4 shows a schematic diagram of the Closed back Ceiling speaker E PARALLEL WIRING 1234 m min ina From ihe amplifier
10. ing the screw counter clockwise see Figure 7 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 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 Figure 8 Figure 8 Adjust Tap Selector for the SPK C61 2 Closed back Ceiling Speakers Installing the Closed back Ceiling Speakers 9 5 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 painting before installation e Clean the rim and grille with mineral spirits or other light solvent t
11. ng the 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 4 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 4 5 Plug the connector into the socket in the terminal cup of the speaker see Figure 6 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 6 Plugging and Securing the Cable 7 Push the speaker into the ceiling hole until the front baffle rim is leveled with the ceiling Closed back Ceiling Speakers Installing the Closed back Ceiling Speakers 8 Tighten the mounting tabs by turn
12. plied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations and exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This eguipment has been tested to determine compliance with the reguirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators CAUTION EB Servicing the machines can only be done by an authorized Kramer technician Any user who makes changes or modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the equipment E Use the supplied DC power supply to feed power to the machine E Please use recommended interconnection cables to connect the machine to other components FCC and CE approved using STP cable for twisted pair products 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 foun
13. se levels often associated with low quality cables e Avoid interference from neighboring electrical appliances that may adversely influence signal quality e Position your Kramer Closed back Ceiling Speakers 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 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 The speakers are defined in the following table Name Diameter Resistance Q Closed back Depth sco 65 g 7 see a 8 4 SPK C411 Figure 1 shows an example of how the Closed back Ceiling speakers can be installed in a boardroom setup Closed back D amp y Ceiling Speakers oipny Internet J Ethernet o Power Amplifier RC Controller To SV 302 To SV 301 Projector Figure 1 Closed back Ceiling Speakers in a Boardroom Setup Closed back Ceiling Speakers Overview me 4 Your Closed back Ceiling Speakers Figure 2 and Figure 3 define the SPK C612 and the SPK C412 and SPK C411 respectively Side View Front View Input terminal cover Auxiliary support ring is not shown Rear View Figure 2 SPK C612 Closed back Ce
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