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Pity, that it cannot be combined with a CD-4 Decoder or compatible Preamp in any way.
We intend to extend to a super preamp with all sorts of other facilities but the mini preamp is the start of the journey that gets us into the market to with remarkable features.
 
If you ever built a Preamp with these capabilities, i.e. like my beloved Bose 4401, it will be mine. At any costs. Phono in, optionally CD-4, your Declicking and SQ/QS decoding, some 4 or 5.1 channel in, volume and loudness control, would be a real dream. This to avoid multiple A/D and D/A conversion.
A Mini-DSP could be added for room correction.
 
Are you talking about DSU or FreeSurrround?
Dolby Surround, PL-I, and PL-II all use the same encoding plan. It is a great circle matrix including L only, R only, F = inphase, B (or S) = antiphase.

The only change they made was to add inputs for LB and RB.
 
Even in music mode Dolby is far too front oriented.
It depends on whether your hardware allows you to control the various pieces that go into DPL-II music mode. I had a Pioneer that did not and felt the same way you do. But I've had a Denon (still going great after being on 24/7 for over 20 years!) and Onkyo (a brand I'll never buy again!) that allowed adjustments that made DPL-II Music Mode very close to QS. With test tones, everything goes largely where it should and QS-encoded material sounds great...just not as great as the 100% full proper decoding you'd get from a surround master.

My issue with the current Dolby Surround is that it's mostly OK for movies that I assume are encoded with the original matrix, but, opposite to your complaint, when "decoding" things that aren't necessarily encoded, puts too much into the surrounds, even to the point of making dialog difficult to understand.

In my case, I'm using a NAD T 758 and my complaint about too much surround is mostly based on YouTube, so obviously not everyone is going to have the same experience.
 
My issue with the current Dolby Surround is that it's mostly OK for movies that I assume are encoded with the original matrix, but, opposite to your complaint, when "decoding" things that aren't necessarily encoded, puts too much into the surrounds, even to the point of making dialog difficult to understand.
Yes I find Dolby Surround Upmix is fine, even excellent, with TV and films and in fact I think it does a better job on those than DPL II Movie.

But when decoding music from stereo CDs or FM radio it puts far too much in the centre. And if it weren't for that objectionable behaviour I might pay attention to what it is putting into the surrounds, it's definitely quite a lot.
 
But when decoding music from stereo CDs or FM radio it puts far too much in the centre. And if it weren't for that objectionable behaviour I might pay attention to what it is putting into the surrounds, it's definitely quite a lot.
Yes, FAR too much in the middle! I had actually forgotten about that quirk because I find it so annoying that I simply don't use it for music at all. My main music box has S/PDIF out to the receiver and analog out to the Surround Master, so it's very simple to A/B Involve vs. DS. There's not even a hint of a contest, DS is just awful for music. Or maybe it's more fair to say that it's arguably better than stereo, but awful compared to the old DPL-II Music Mode and/or Involve.
 
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