IMHO you should do a comparative listening with A-70 as power amp and DC-330 against one of the current analog preamps (C-3850 would be the ideal match to A-70).
The DC-330 came to market in November 1999 (18 years ago) and since then, there was a lot of progress in both the digital and the analog domain.
In addition, the input configuration of the DC-330 is almost fully dependent on the option boards mounted. Only one Cinch line input and one digital input/output were standard.
No HS-Link and no USB available.
Personally, I would think of replacing the E-350 with a current integrated amp like the E-650 (instead of a combo with the A-70) and the DP-500 with a DAC-50 board for the E-650 or a DC-37.
A very cost effective solution with fully balanced AAVA (like C-3850) and fully sufficient power to drive normally sensitive speakers in a home environment.
If you really want to go for a combo, the preamp will finally decide, what you will get out of the A-70. And the overall investment will rise considerably.
Martin
Last edited by meltemi; 03-12-2018 at 09:36 AM.
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