Description
Technics SU-3000 Stereo Integrated Amplifier (1974-1975) Well-functioning, tested integrated amplifier with excellent sound quality. The pictures show the product for sale. The amplifier can be put into operation in every country on earth. The exact value of the mains voltage can be adjusted with a flat screwdriver on the back of the amplifier. AC 110/120/220/240V, 50/60Hz, 115W NO WARRANTY OR REFUNDS! International shipping:Write to me about shipping fees and costs. Attention!Pictures are better than words. My pictures show exactly the offered item. If there should be more, it will be mentioned in the description. Ive written everything about the product. I accept no liability for damage resulting from transport. The shipping company is responsible for any damage resulting from shipping. I do not accept complaints. I will not buy back the product sold! Only buy if you accept my terms! If you have any questions, please ask. Because this item is used / it will show minimum to moderate cosmetic wear and may have some noticeable, scratches, scuffs, dust, and other wear. We would also advise viewing each of the pictures to get a better idea of condition specifics.Private seller, no warranty, no return, no repurchase. Technics SU-3000 ¥ 29,800 (around 1973)CommentaryAn excellent pre-main amplifier of CP that challenged the limit of cost reduction while maintaining excellent characteristics.The power amplifier stage is composed of all stages directly connected OCL circuits with a differential amplifier circuit at the first stage.Also, a PNP pair transistor developed for a differential amplifier is used.The equalizer circuit is composed of two stages connected together with specially selected low-noise PNP-NPN transistors.The power supply voltage of the equalizer stage is set high by the + -2 power supply, and the allowable input is set large.It is equipped with a microphone amplifier, and the microphone volume and source volume can be adjusted separately for level adjustment.Two pairs of tape monitor circuits are installed.Equipped with tone control. Model RatingTypeSolid state pre-main amplifierCircuit systemAll-stage direct connection OCL circuitPower Amplifier UnitMusic Power (IHF)50W (4 ?)38W (8 ?)Effective power (RMS)Single-channel operation :18W/18W (4 ?)14W/14W (8 ?)Both channels operate14W + 14W (4 ?)12W + 12W (8 ?)Power Band Wiz (IHF)5 Hz to 50 kHz, -3dBDistortion factor0.8% or Less (Actual Output)Intermodulation distortion factor (60 hz : 7 khz = 4 : 1)0.8% or Less (Actual Output)Residual noise0.7mVDamping factor35 (at 8 ? Load)Preamplifier SectionInput Sensitivity / ImpedancePhono : 2.5mV/47k ?Tuner : 200mV/30k ?AUX1, 2 : 200mV/30k ?MIC : 3mV/47k ?Signal-to-noise ratio (IHF, A)Phono:75dBTuner:96dBAUX1, 2 : 96 dBMIC:65dBTape monitorTape1Rec Out : 200mV/1k ?Playback : 200mV/30k ?Tape2Rec/Play (DIN) : 200mV/30k ?, 30mV/80k ?Phono maximum allowable input90mV/1kHz(RMS)Frequency characteristicPhono : within ± 1 dB of deviation from RIAA standard curveTuner : 10 hz to 50 khz, + 0 to 3 dbAUX1, 2 : 10 Hz to 50 kHz, + 0 -3dBTone controlBass : 50 Hz, + 10 dB to -12dBTreble : 10 kHz, + 10 dB to -10dBLoudness control(Volume -30dB)100 Hz, + 10 dB10 kHz, + 5 dBLow filter60 Hz, -6dB/oct.High filter6 kHz, -6dB/oct.Semiconductor usedTransistor : 22Diode : 4Power110/120/220/240 VAC, 50/60Hz, 115WAC outletUnswitched : 1 linePower consumption45W (normal) / 115W (max)External dimensionsWidth 336x Height 115x Depth 295 mmWeight5.3kg
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