Do you think you need a subwoofer?

One of the things the speaker SYSTEM needs to do is cover the low frequencies to the same suitable extent as the other frequencies. That requires a suitable combo of amp and speakers. A "sub" in the sense of a separate device that covers the low range, may or may not be needed as well.

That pretty much covers it in a general sense I think. Beyond this, the devil is all in the details!

Dear Mapman: +++++ " One of the things the speaker SYSTEM needs to do is cover the low frequencies to the same suitable extent as the other frequencies. " +++++

certainly that is a " must " to have. Not an easy task but the effort to achieve it is worth on its rewards.
The subs integration has to be: seamless.

Regards and enjoy the music,
Raul.

Rauliruegas, I would agree except for supertweeters with no frequency response below 15k Hz. There I have found no integation issues. There are two of these that I know of-Muratas and Townshend.

Dear TbG: The ST integration in a system could be a " revelation " too because we are not waiting ( between other ST advantages ) that adding ST in our system the bass frequency range ( in especial. ) improves its quality performance just like the subs integration enhance the high frequency range.

I'm using the Tannoy ST with success. You can choose to cross at: 14khz-16khz and 18khz with a gain choosing between 88db to 95db.

I heard the Townshend but I prefer Tannoy's.

Regards and enjoy the music,
Raul.

Rauliruegas, I have no experience with the Tannoys. My only question is whether you hear music when only they are on. With both the Townshends and Muratas, you hear no music at all, just various pops and clicks.

What convinced me about the Muratas was a demonstration of them at CES years ago. They played music on a full range speaker with the Muratas on. Next they replayed the music with them off. All in the audience said almost as one, wow, put them back on. While the members of the audience were talking among themselves, there was silence. Finally, one guy asked what do the Muratas sound like by themselves? The demonstrator said you have been listening to them for quite some time. We all focused on what we were hearing and heard occasional pop or click. I bought a pair, and frequently did the demonstration for those visiting me.