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Sony XEC-1000 Service Manual
Also see for XEC-1000: Operating instructions
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SERVICE MANUAL US ModelCanadian ModelE ModelAEP ModelSPECIFICATIONSCrossever frequency Mid FLAT, 80, 120, 180 Hz, 2.4k, 3.5 k, 5 kHzHigh 2.4 k, 3.5k, 5k, 7 kHzSub 50, 80, 120, 180 HzGain 0dB+6 dB (Sub-woofer)Harmonic distortion less than 0.003%Signal-to-noise ratio more than 105 dBCrosstalk more than 80 dBFrequency response 3 Hz to 150 kHz (‘$ dB)Crossover slope -12 dB/oct—18 dB/oct (Sub-woofer)Mid cut —10 dB to 0 dB (180 Hz)Q = 1,3,6Maximum output level+12 dBBass boost 0 to +10 dB (40 Hz)GeneralInputs Remote control inputPower input :Line input (phono jack 6'Outputs Line outputs (phono jack 10)Power requirements 12V DC car battery (negative ground)Current drain 220 mAMounting dimensionsApprox. 260 x 40 x 200 mm (w/h/d)(103/4 x 15/8 x 77/e inches)Weight Approx. 1.8 kg (3 Ib 15 oz)Accessories suppliedMounting screws (4)Power connector cover (1)Featurese * Linear phase filters (Bessel function type)realize natural and equal sound levels in andaround the passband frequency.Hi-fi electrolytic capacitors especiallydesigned for dynamic sound reproductione Phase inversion switches for checking easilya sound continuity between mid and highrange speakers* 180 Hz mid cut controls with Q switches foradjusting a low and mid-low sound¢ 40 Hz bass boost control for dynamic bassreproduction* Linear phase filters (Bessel function type)Most of the channel dividers currently availableemploy flat response filters (Butterworth type). Thegroup delay characteristic of this type of filters ismuch worse than that of the linear phase filters, andthis causes transient distortion in the audio signals ateach filter's crossover frequency. To reduce thatdistortion and to obtain hi-fi sound, linear phasefilters (Bessel function type) are used for theXEC-1000. :ELECTRONIC CROSSOVER NETWORKSONY. |
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