Scott-460A-Service-Manual 电路图 维修手册.pdf

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1、Service Manual Integrated StereoAmplifiers 460A/480A ffi SCOTL The Name to listen to. RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS: 460A(480A) Minimum Continuous RMS Output Power per channel, both channels driven into 8 Ohms from 20 Hz - 20 kHz with no more than rated THD 70 watts

2、(85 watts) Total Harmonie Distortion 78 IHF rated, at 20 Hz - 20 kHz 0.04% (0.03%) Intermodulation Distortion at rated output, 60: 7000 Hz; 4: 1 0.04% (0.03%) Frequency Response at 1 watt output, 0.5 dB 20 Hz to 20 kHz Power Bandwidth at -3 dB 10 Hz to 40 kHz Damping Factor at 1 kHz, for 8 Ohm load

3、100 Input Sensitivity for rated output Phono 1: 2.5 mV Phono 2 Hi: 2.5 mV Phono 2 Lo: 5 mV Aux, Tuner: 150 mV Accessory Input: 150 mV Tape Play Jacks 1 and 2: 150 mV Tape 2 DIN Input: 150 mV Maximum Input Voltage Phono 1: 180 mV Phono 2 Hi: 180 mV Phono 2 Lo: 360 mV Aux, Tuner: l0V Accessory Input:

4、l0V Tape Play Jacks 1 and 2: l0V Tape 2 DIN Input: l0V Signal-to-Noise Ratio shorted input, IHF A network Phono l; Ref. 10 mV: 90 dB Phono 2; Ref. 10 mV: 90 dB Aux, Tuner: 95 dB Tape Play Jacks 1 and 2: 95 dB Tape 2 DIN Input: 95 dB Tone Control Range Bass (100 Hz): 10 dB Mid (1 kHz): 6 dB Treble (1

5、0 kHz): 10 dB Filter Attenuations 12 dB/oct. High (8 kHz): -3 dB Sub-sonic (18 Hz): -3 dB Loudness Contour Compensation Volume Control set to -30 dB 100 Hz: +7 dB 10 kHz: +3.5 dB Crosstalk 1 kHz: 80 dB Channel Balance maximum Volume Control 0.5 dB RIAA Tolerance 78 RIAA rated, 20 Hz to 20 kHz 0.5 dB

6、 Channel Separation 78 IHF rated Phono 1 and 2 (1 kHz): 65 dB Aux, Tuner, Accessory Input, Tape Play 1 and 2, Tape 2 DIN Input (1 kHz): 75 dB Tape Recording Output Level at rated input sensitivity level Tape 1 Rec: 150 mV Tape 2 Rec: 150 mV Tape 2 DIN Output: 30 mV AC Power Requirement 117V AC 60 Hz (US/Canada version) 100V /117V /220V /240V, switchable AC 50/60 Hz (European version) Power Consumption US/Canada: 200W (240W), Europe: 530W (630W) Dimensions 17W, 5-l/4H, 14-l/4D 430W, 132H, 330D (mm) Net Weight 27 lbs (29 lbs) 12.3 kgs (13 kgs) 3 RadioFans.CN 收音机爱 好者资料库