PA系列 PA 系列功放采用了稳定可靠的线路设计;选用场效应管输入的运放作前置,共基电路作倒相,共集电极电路作输出;性能稳定、输入输出接口方便、功能齐全。同时PA系列也是一个性价比高的系列。完善的保护线路具有:过流保护、输出直流电压保护并自锁(可避免继电器在保护的临介状态下反复开、闭,对音箱造成的危害)、温度保护、开机延时及温控无级调速风扇风冷散热。 PA系列适用于会议室、小型歌舞厅、卡拉OK、酒吧等场合使用。 SPECIFICATIONS | Model | PA-300 | PA-400 | PA-600 | PA-800 | PA-1000 | PA-1300 | Stereo power 8Ω 1KHZO.1% THD 4Ω 2Ω | 300W | 400W | 600W | 800W | 1000W | 1300W | 450W | 600W | 900W | 1200W | 1500W | 2000W | ---- | 800W | 1100W | 1400W | 2250W | ---- | Bridge mono power 8Ω 1KHZO.1% THD 4Ω | 700W | 1000W | 1800W | 2000W | 3000W | ---- | ---- | 1200W | 2000W | 2400W | 4500W | ---- | Signal to noise | 103dB | 105dB | 106dB | 106dB | 106dB | 108dB | Slew Rate | 60v/us | 80v/us | 80v/us | 80v/us | 80v/us | 80v/us | Damping factor | 450:1 | 450:1 | 550:1 | 550:1 | 600:1 | 650:1 | Frequency response | ±0.1dB,20Hz+20kHZ | THD | ≤0.01% Rated Power@8Ω 1k HZ | IMD | ≤0.01% Rated Power@8Ω | Input sensitivity | 0.775V,1.0V,1.55V | Input impedance | 10K/20K ohurs, unbalanced or balanced | Imput CMRR | ≤-75dB | Cross talk | ≤-70dB | LED indicator | Signal, Protect, Dctive, Clip/Limiting | Main power supply | FUSE:T8A | FUSE:T15A | FUSE:T15A | FUSE:T20A | FUSE:T20A | FUSE:T20A | Supply power | 600W | 900W | 1600W | 2000W | 3500W | 3800W | Weight | 21kg | 22kg | 24kg | 25kg | 35kg | 43kg | Dimensions | 483W×480D×88H | 483W×480D×133H | |