Kramer Electronics 900N audio amplifier
Contents
1. Kramer Electronics Ltd USER MANUAL Model 900N Power Amplifier Contents Contents 1 Introduction 2 Getting Started 2 1 Quick Start 3 Overview 4 Your 900N Power Amplifier 5 Connecting your 900N Power Amplifier 6 Technical Specifications Figures Figure 1 900N Power Amplifier Figure 2 Connecting the 900N Power Amplifier Tables Table 1 Features and Functions of the 900N Power Amplifier Table 2 Technical Specifications of the 900N Power Amplifier DD un hk Y N A Introduction 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 Thank you for purchasing the Kramer 900N Power Amplifier This product 1s ideal for e Presentation rooms and multimedia applications for quick local audio amplification e Personal audio listening for example a PC and portable CD player The package includes the following items e 900N Power Amplifier e Power adapter 12V DC Input e This user manual 2 Getting Started We recommend that you e Unpack the equipment carefully and save the or2. VOLUME SOON Figure 1 900N Power Amplifier Table 1 Features and Functions of the 900N Power Amplifier Feature Function 1 n LEFT RCA Connector Connects the unbalanced stereo audio input to the audio source 2 5 RIGHT RCA Connector 3 gt L L G R A Terminal Connects the balanced stereo audio input to the audio source Block Connector 4 SPKR OUT L L R R Connects to a pair of loudspeakers Terminal Block Connector 5 12V DC 12V DC connector for powering the unit 6 VOLUME Control Knob Adjusts the output signal level 7 ON LED Illuminates when receiving power 1 Either the RCA unbalanced input or the terminal block balanced input may be connected You cannot connect both simultaneously 4 KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting your 900N Power Amplifier 5 Connecting your 900N Power Amplifier Connect your 900N as the example in Figure 2 illustrates 1 Connect an unbalanced stereo audio source for example an unbalanced stereo audio player to the LEFT and RIGHT INPUT RCA connectors 2 Connect the SPKR OUT terminal block connector to a pair of loudspeakers by connecting the left loudspeaker to the L and the L terminal block connectors and the right loudspeaker to the R and the R terminal block connect
3. for twisted pair products For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Caution Safety Warning Disconnect the unit from the power supply before opening servicing P N 2900 000558 Rev 1 Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 000558 REV 1
4. ies used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removal orinstallations 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 OF IMPLIED 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 lo
5. iginal box and packaging materials for possible future shipment e Review the contents of this user manual e Use Kramer high performance high resolution cables 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 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 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 1 Getting Started 2 1 Quick Start This quick start chart summarizes the basic setup and operation steps Step 1 Connect the inputs and outputs see section 5 Connect the inputs 2 Connect the output p Player Recorder Speakers Step 2 Connect the power Step 3 Adjust the volume see section 5 Power Amplifier KRAMER SIMPLE CREATIVE TECHNOLOGY Overview 3 Overview The Kramer 900N is a high performance power amplifier that can accept a balanced stereo audio input on a 5 pin terminal block connector or an unbalanced stereo audio input on two RCA connectors The balanced and unbalanced stereo audio inputs are converted to a differential stereo audio output for speake
6. ors Do not ground the loudspeakers 3 Connect the 12V DC power adapter to the power socket and connect the adapter to the mains electricity not shown in this illustration 4 Adjust the volume by turning the volume control knob Player Recorder Speakers Figure 2 Connecting the 900N Power Amplifier 1 Or alternatively connect the balanced stereo audio source to the left L L and right R R INPUT terminal block connectors 5 Technical Specifications 6 Technical Specifications Table 2 Technical Specifications of the 900N Power Amplifier INPUTS 1 unbalanced stereo on RCA connectors 1 balanced stereo on a 5 pin terminal block connector OUTPUT 1 stereo speaker output on a 4 pin terminal block connector OUTPUT POWER 2x8 5W 40 OUTPUT MUSIC POWER 2x35W 49 BANDWIDTH 3dB 24kHz S N RATIO 55dB CONTROLS lt 40dB to 19dB until the compression threshold COUPLING Input AC speakers out DC AUDIO THD NOISE 0 5 1kHz AUDIO 2nd HARMONIC 0 04 1kHz POWER SOURCE 12V DC 2 1A DIMENSIONS 12 cm x 7 5 cm x 2 5 cm 4 7 x 2 95 x 0 98 W D H WEIGHT 0 3kg 0 66lbs approx ACCESSORIES Power supply mounting bracket OPTIONS RK 3T 19 rack adapter 1 Specifications are subject to change without notice Measurements are on the basis of 4Q loads KRAMER SIMPLE CREATIVE TECHNOLOGY LIMITED WARRANTY Kramer Electronics hereafter K
7. ramer warrants this product free from defects in material and workmanship under the following terms HOW LONGIS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase WHOIS PROTECTED Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS 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 Kramer 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 IF 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 Removalor installation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessor
8. rs on a 4 pin terminal block connector The 900N Power Amplifier includes e An audio level knob to adjust the audio level output e An ON LED indicating the unit is powered up e A 12V power source making it ideal even for field operation e An easy to connect detachable terminal block connector The 900N Power Amplifier is housed in a Kramer TOOLS enclosure To achieve the best performance e 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 e Avoid interference from neighboring electrical appliances that may adversely influence signal quality and position your Kramer 900N away from moisture excessive sunlight and dust No operator serviceable parts inside unit Use only the Kramer Electronics input power wall adapter that is provided with this unit Eventi Disconnect power and unplug unit from wall before installing or removing device or servicing unit 1 Both inputs cannot be connected simultaneously 2 Available from Kramer Electronics on our Web site at http www kramerelectronics com 3 For example part number 22535 000251 Your 900N Power Amplifier 4 Your 900N Power Amplifier Figure 1 and Table 1 define the 900N Power Amplifier pe gee te SPKR on 12V DC L L G R R n LEFT RIGHT KRAMER TOOLS SALA ON o TT Power Amplifier
9. ss of time commercial loss or 2 Any other damages whether incidental consequential or otherwise Some countries may not allow limitations on how long an implied 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 equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and lightindustry 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 B gt 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 Use the supplied DC power supply to feed power to the machine B gt Please use recommended interconnection cables to connect the machine to other components FCC and CEapproved using STP cable
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