Technics SB-LB910 User's Manual
Contents
1. X 12 27 32 470 X 820 X 326 mm 35 7 Ib 16 2kg Refer servicing to qualified personnel only Product information For product service product information or assistance in product operation refer to the servicenter directory For detailed instructions contact an authorized servicenter in the U S A at 1 800 332 5368 or visit our Web site htip www panasonic com Panasonic Consumer Electronics Company PCEC Division of Matsushita Electric Corporation of America One Panasonic Way Secaucus New Jersey 07094 Panasonic Sales Company Division of Matsushita Electric of Puerto Rico Inc PSC Ave 65 de Infanter a Km 9 5 San Gabriel Industria Park Carolina Puerto Rico 00985 Panasonic Canada Inc Em 5770 Ambler Drive Mississauga Ontario L4aW 273 RQTJ0074 0708 A2. the same surface as the speaker system A thick piece of felt or similar material can be used under the turntable to reduce howling Closing the turntable s cover also reduces this problem Connecting the speaker system Before connecting the speaker systems to the amplifier please check the following Be sure to switch OFF the power to the amplifier Use with an amplifier having 8Q or below impedance speaker terminals e Be sure to only connect positive wires to positive terminals and negative wires to negative terminals Amplifier not included DO Leeman eran Speaker connection cables not included Note To prevent damage to circuitry never short circuit positive and negative speaker wires 1 Twist the core of the connection cables 2 Press the pushbutton and insert the core until it can no longer be seen 3 Release the pushbutton and pull the cable gently to be sure that it is secured Power nandling capacity The power handling capacity of this unit is indicated in the specifications The amplifiers volume control should be set to avoid an excessive input level This is especially true on amplifiers having an output power rating higher than that of the speaker system Even if the amplifier to be used has an output power rating lower than that of the speaker system the amplifier output may become distorted This clipping distortion creates an excessiv
3. ON co Technics Speaker System SB LB910 Operating Instructions RQTJ0074 Thank you for purchasing this Technics product For optimum performance and safety please read these instructions carefully The model number and serial number of this product can be found on the back of the unit and the serial number either onthe back or the bottom Please note them in the space provided below and retain this booklet as a permanent record of your purchase to aid identification in the event of theft MODEL NUMBER SERIAL NUMBER Installation The sound reproduced by a speaker system is easily influenced by such factors as room acoustics and the system s location in the room Before finally deciding where the speakers are to be placed please read the following information carefully The bass sound will be increased if the speakers are placed on the floor or close to a wall due to the reflection of sound It is therefore possible to adjust the bass sound to some extent by adjusting the speaker s distance from the wall and or floor Undesirable resonance of sound reflection will occur if the speakers face a hard wall or window Curtains or similar materials can be used to prevent these reflections e To prevent possible acoustic feedback the speaker systems should be kept away from the turntable This feedback how ling can result from vibrations from the speakers The turntable should therefore never be placed on
4. e input level which can damage the speaker system This type of distortion also occurs ifthe input signal to the amplifier is too large Bass and treble controls also raise the level of the input signal to the speaker system so care should be taken to adjust the volume to a proper level The volume level of the amplifier should be reduced if the following signals are to be applied to the speaker system intersta tion noise of the FM radio band output from a tape deck during rewind or fast forward acoustic feedback from a microphone or musical instrument electrical noise from the connection or disconnection of a phono cartridge or phono RCA cables Speaker components protection This unit incorporates protection circuitry that automatically reduces the tweeter level when a safe overall input level has been exceeded When the protection circuit is activated the sound from speakers will be interrupted if the sound is interrupted do not operate the system continuously Proceed as follows 1 Reduce the volume setting of the amplifier 2 Check whether or not there is any abnormal condition of the equipment used as the sound source or of the connections 3 If there is no abnormal condition the protection circuitry will be automatically reset in a few minutes After the protection circuit is reset Do not increase the amplifier s level too high Maintenance Although the enclosure and the speaker units of this speaker system are mad
5. e of carefully selected materials and have been produced using the finest manufacturing techniques sudden changes in surrounding temperature and or humidity should be avoided Keep this unit away from sources of heat high humidity and direct sunlight The speaker system should not be placed near a TV The speaker magnet may cause a disturbance in the TV picture e If the enclosure becomes dirty use a soft dry cloth to wipe it clean If the dirt is excessive soak a soft cloth in a weak solution of soap and water wring it thoroughly before use A soft dry cloth should then be used to wipe it dry e Never use alcohol paint thinner benzine or other volatile chemicals to clean this unit because they may damage the finish causing it to lose its luster Also never use a wet or chemically impregnated cloth Specifications Note Specitications are subject to change without notice Weight and dimensions are approximate Type Speakers Woofer Midrange Tweeter Input power Sound pressure level Impedance Frequency range Crossover frequencies Circuit protection Dimensions W x H x D Weight Product service Do not attempt to remove the cover s or repair the unit yourself SB LB910 3 way 3 speaker system Bass rettex 15 38cm cone type 4 10cm cone type 2 9 16 6 5cm cone type 200W music 100W DIN 90dB W m 8 ohms 31Hz 22kHz 16dB 39Hz 20kH2 10dB 3kHz 6kHz Yes 18 1 2 X 32 9 32
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