STI-1000 Overrated or not?


hi to all
i am new to this forum and would like to ask for some advice.
i have a vintage c39 and mc7106 combo which i use for 2 channel only (bridged). i wonder if anyone have heard this combo before for music only? i have just bought a w4s class d int amp (200 hrs running in)wanting to replace them but found it lacking some fullness in the sound especially in bass impact and vocals as compared to the 7106 (using the pre-out from the w4s for ab comparison). Or am i too used to the Mc sound? i know the sti needs more running in time but it should at least outgun my Mc by now. Just confused. Any comments from the experienced guys would be appreciated.

PS my system includes macmini>EE minimax as source and with Harbeth c7.
jamomanu
Thank you guys for the input.

Guess it will need more time to settle in then.

And I will probably hold on to my 7106. I am just surprised a mc that's supposed to be a ht amp can still hold its own, maybe not the last word on resolution but overall impact and power which makes music so much more engrossing and emotional.
You could try moving your speakers a couple inches closer to room boundaries. It may be telling you things about your room you weren't aware of before.
Ddd makes a good point.

I had to adjust my speaker location after moving to a Class D Icepower amp in that the soundstage and imaging opened up quite a bit which required re-tweaking of speaker location to get right. Not uncommon whenever a significant change in amplification is made.