50-70 วัตต์ ทรานซิสเตอร์ล้วน ใช้ไฟ+-40v.

เมษายน 29, 2016, 12:11:24 PM โดย Technics
0
2608










Power Supply pcb.




specification

-Output Power 50 watts into 8ohms. /70 watts into 4 ohms.

-Music Power 77 watts into 8ohms. /105 watts into 4 ohms.

-Frequency response -1dB at 14Hz and 70kHz

-Input sensitivity 0.875V for 50ohms.

-Harmonic distortion <.05% from 20Hz to 20kHz; typically <.003%

-Signal-to-Noise Ratio -114dB unweighted (22Hz to 22kHz); -119dB A-weighted, both with respect to 50W into 8ohms.

-Damping factor >140dB at 100Hz & 1kHz, with respect to 8ohms. and without PTC thermistor

-Protection fuses plus “Polyswitch” PTC thermistor .

cr: http://www.leksound.net/





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