rendoman Posted October 13 Share Posted October 13 Hi all Just tried to use the line out (Celviano ap-21) with my audio system. It seems that the output voltage is not high enough, even at full volume position. I found also that the internal speakers of the keyboard are still active when the line connected. Probably I missed something in user guide, maybe some button to press to choose the right option. I didn't checked with scope the rms output, that should be 2v rms, 20k impedance, the Behringer deq 2496 has similar imp and fairly high preamp board. Any idea of a possible solution? Quote Link to comment Share on other sites More sharing options...
Brad Saucier Posted October 13 Share Posted October 13 Have you tried plugging the headphones jack (with an adapter or such) on the piano? Some of the older models needs that done in order to switch the line outputs to the appropriate output level and turn off the internal speakers. Quote Link to comment Share on other sites More sharing options...
rendoman Posted October 13 Author Share Posted October 13 Thank you, going to try soon! Quote Link to comment Share on other sites More sharing options...
rendoman Posted October 13 Author Share Posted October 13 It seems it's necessary to plug a jack in headphone sockets to mute the internal speakers and activate the lineout. Pretty impressive, as expected, the performance in bass range, considering the drivers installed in celviano, mids and highs are not so bad. 1 Quote Link to comment Share on other sites More sharing options...
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