貴陽專業音響的數字音響的主要特點是信噪比高,貴陽
音響數字音響記錄形式是二進制碼, 重放時只需判斷“0”或“1”。因此, 記錄媒介的噪聲對重放信號的信噪比幾乎沒有影響。而模擬貴陽音響記錄形式是連續的聲音信號,在錄放過程中會受到諸如磁帶噪聲的影響,要疊加在聲音信號上而使音質變差,盡管在模擬音響中采取了降噪措施,但無法從根本上加以消除。
■Model PRO-300
■Channel 2
■8Ω Stereo Power 300W
■4Ω Stereo Power 450W
■8Ω Bridged Power 700W
■Signal to Noise >103dB
■Slew Rate >60V/us
■Damping Factor >400
■Frequency Response (+/-0.1dB)
20Hz+20KHz
■THD (Rated power@ 8 Ohm, 1KHz) <0.01%
■LMD(Rated power@ 8 Ohm) <0.01%
■Input Sensitivity 0.775V,1.0V,1.55V
■Input Impedance 10K Ohm Unbalanced;
20K Ohm Balanced
■LPF 20Hz-180Hz Valid
■HPF 130Hz-20KHz Valid
■Input CMRR <-75dB
■Cross Talk <-70dB
■Main Power Supply 220V 50/60Hz,
Fuse:T8A
■Protection Short Circuit, Overload,
Overvoltage, Overheat
■Size W*D*H(cm) 48.3*42*88
■N.W. 16 kg
■Unit Piece