arena_bush_rta2000_ta2700_ta2800维修电器原理图

BUSH ARENA HI-FISOUND SYSTEMSPower consumptionInputs7 watts max.Tape playback 120 mV (100 K ohm).DimensionsOutputs3-0￥13-7×74in.Tape recorder 300 mV (250 K ohm).Loudspeakers 3-15Connection leadsohm,Stereo headphones 3-50 ohm.Mains lead-9 ft long.output-4 ft long.A flex shortener isTuner Sectionprovided for each lead.FM Coverage87-108MHzL520 FLOOR LOUDSPEAKERSFM Sensitivity15 uV for 26 dB signal/noiseFrequency rangeFrequency response50-20000Hz.2015.000Hz-3dB.Drive unitsFM aerial input8",2".2"75 ohm (external FM aerial provided).ImpedanceFeatures3-2 ohm.Push button selection of 5 pre-tuned FM stations.AFC,Power handlingstereo decoder,tuning meter,stereo indicator.15 watts (DIN 45.573)GeneralEnclosure volumePower supply20-0 litres110/130/220/240v.AC50HzFeaturesPower consumptionFitted with brackets for wall mounting.Front badge may100 watts max.be rotated.DimansionsDimensions6-8%22:7×12-8inEach-169×110×95in.Connection leadConnection leadsEach-20 ft long.A flex shortener is provided for each leadMains lead-9 ft long.A flex shortener is provided.L510 SHELF LOUDSPEAKERSTA2700 STEREO FM TUNER-AMPLIFIERFrequency rang号60-20.000H7Transistors/DiodesDrive units36 transistors (including 2 Mosfets),26 diodes6”,2号".2”Amplifier SectionimpedancePower output4 ohm15 watts per channel-continuous simuitaneous sine wavePower handling(rms)rating and music power (IHF)rating (3.2 ohm).15 watts (DIN 45.573)Signsl/Noise ratioEnclosure volumeMagnetic pick-up 70 dB,Tape playback 70 dB (at rated17.4 litres.power output).FeaturesHarmonic distortionFitted with brackets for wall mounting.Front badge mayLess than 0-6%for 40-12.500 Hz.for rated power output.be rotatedFrequency responseDimensions20-25,000Hz-3dB.Each-140×9-6￥7-Bin.ControlsConnection leadsVolume/on.off Bass +12 dB (50 Hz).Treble +11 -13 deEach-20 ft long.A flex shortener is provided for each lead.(10 KHz).Balance,Loudness Control,Rumble tiiter,Mono/stereo switch,Loudspeaker selection,Input selec-tion.RTA2000 COMPACTInputsTransistors/DiodesMagnetic pick-up 3 mV (47 K ohm).Tape playback40 transistors (including 2 Mosfets),28 diodes.120 mV (100 K ohm).Auxiliary inputs (x 2)60 mV (47 KRecord-player unit sectionohm).UnitOutputsLenco B55 transcription deckTape recorder 300 mV (250 K ohm).Loudspeakers (2Operationpairs)3-15 ohm.Stereo headphones 350 ohm.Manual single play.infinitely variable speed adjustmentTuner Sectionbetween 30-86 rpm (click stops at 163/333/45/78 rpm).FM Coveragestroboscope disc.cueing device,bias compensator.87.108MHz.CartridgeFM SensitivityGoldring G800E 'Free Fieldi'high compliance magnetic1-5 uV for 26 dB signal/noise.cartridge.Frequency responseStylus2015.000Hz-3dB.Diamond,elliptical tip 0-0007"0-0003"FM serial inputTracking weight75 ohm (oxternnl FM aerial provided)11-1 grams.FeaturesSignal/Noise ratioPush button selection of 5 pre-tuned FM stations,AFC,Magnetic pick-up 70 dB,Tape piayhack 70 dB (at ratedstercodecoder.stereo/mono switch.tuning meter.power output).stereo indicator.Harmonic distortion