polar

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  1. Another question,i tech 5000hd outpower is 1250w in 8Ω,so two chanles are 2500w.but it is rating electric power 1250w.Why ?what's the relation between chanle out power and electric power?And how to calculate needed electric power by loudspeaker power? For example:I want to drive a 400w loundspeaker,how much electric power are needed?
  2. Another question,i tech 5000hd outpower is 1250w in 8Ω,so two chanles are 2500w.but it is rating electric power 1250w.Why ?what's the relation between chanle out power and electric power?And how to calculate needed electric power by loudspeaker power? For example:I want to drive a 400w loundspeaker,how much electric power are needed?
  3. Thank you,I make a mistake,open the input compressor and limiters set too low!So the data is uncorrectly.
  4. 1. itech5000HD's gain is constant when the sensitivity are fixed? for example,I set sensitivity is 1.4V rms,when input signal is 1.4v,the gain is 37.1dB,but input 1.25V(-1dB of 1.4),the gain get big,and when input more samll ,the gain more big.however,if input 1.4v ,by turn attenuation control input level ,the gain is dot change. 2.when set sensitivity are constant gain,for example 26dB,when input is 5.01v,gain is 26dB,or else ,the gain is vary. That's is right?