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This is quite recent conclusion, as I sick and tired to do not say it finally!

A loudspeaker must have a volume control that will adjust an amount of HF that a loudspeaker radiates into listening space. I playback systems that has an excessive 1/3 db at HF is unlistenable playback. Period!

So, how came that we can’t not set the correct HF volume and forget about? Well, the people who would ask this question probably never tried. All CD and LP are recorded differently, the audio-quality of power lines and many other factors would easily throw a playback at ”brighter” mode, and sometimes even in “sharper” mode (combinative effect of HF and a few other factors). Therefore the ability to dial-in the HF output very precisely for a given recording or performance (!) is very-very powerful tool that take will take the performance of you playback way out there, particularly in operas and string quarters.

I know, most of the loudspeaker designs do not allow any easy HF attenuations. In this case use what I use with 99% of all homes where I ever heard any audio – go to restroom, grub a few sheet of toilet paper and pat the tweeter with the paper. If you use your tweeter in the correct way – sitting at the transition slop without utilizing any "horizontal" frequency range, then all that you need to do is L-pad the tweeter. However, here is the catch – there are no resistors that would sound good, at least I did not see any. All higher power resistors add some glitz, and I have tried quite a few of them… So, the best scenario in this case is to attenuate the tweeter’s operating at transition slop using variable capacitance (be advised that caps would need ~2-4 weeks to begin sound OK in that application)

If you did go over all these hassle and have set your tweeter at perfect operation point then, ONLY THEN, you would get out of your audio what it actually might do. Then, you will not visit me, surprisingly asking why suddenly my favorite Verdi’s Requiem by Ferenc Fricsay with Berlin Symphony from 1953 sounds in my room so “musical”….

Rgs,
Romy the Cat

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