福彩快三
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技术参数 ◆ 带速（Tape Speed）: 23.75cm/sec ◆ 带速误差(Tape Speed Error): ≤0.5% ◆ 抖晃率(Wow and Flutter): ≤0.18% ◆ 频响（Frequency Response）:40Hz-10KHz ◆ 失真度(Distortion): ≤2.5% ◆ 信噪比(S/N): ≥45dB ◆ 电源（Power）:AC220V 50Hz
