Tassie Devil Posted February 16, 2019 Posted February 16, 2019 (edited) I'm in the process of doing more experimentation on this and am interested to hear of the experiences of others. My comments here refer to a good headphone setup using a used Yamaha YDP 2 006 digital paramrtric equaliser, purchased recently from the USA. [There is a review of this item at the "What's Best" Forum]. It has 40 possible different DSP settings which, until now I've not bothered to explore and have been using only the one setting. I modified this a little using the DSP options available in Roon and the AQ on classical music is generally very pleasing. It was not expensive, although I had to buy a 120v/240v transformer, but is proving to be one of the more significant units in the music path. But I find jazz and popular fare has overpowering bass with this set up so this morning investigated putting in another setting. But I got a big shock because when the Yamaha was set to no DSP the music was flat and dull and the soundstage collapsed. That makes no sense to me but hearing is believing, or is it? This opens up a whole can of worms and I'm wondering if the Yamaha does something else besides merely altering the frequencies. I would not have expected a flat setting to have an effect on the soundstage and anyway, the Yamaha is still in circuit even if theoretically doing nothing to the signal. POSTSCRIPT: It is obvious & I should have woken up to it earlier - the signal was MONO and specifically needs to be set up for stereo. Edited February 16, 2019 by Tassie Devil Woke up!!!!
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