I have my doubts that there's an AV receiver that can power DQ-10s as well as a Hafler DH500. Your mileage may vary, depending on the genre(s) of music you listen to, and your expectations of sound pressure levels.
If it were me, I'd ease into this by selling off a pair of DQ-10s and one of the DH500s, keeping the other pair, the subs (assuming you're running both subs on a single system) and associated amplifiers. You can always sell more of your gear later, but it will be much more difficult to get those items back, once they're gone.
You could also look at replacing the Dahlquist subs with some smaller, powered units. I have a pair of SVS SB-1000s that I'm very happy with. They are a much smaller footprint than the DQ-1Ws, and you'd need one less amp.
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On 2024-01-22 11:43, SpongeSound wrote:
[Edited Message Follows] Had a lot of offers and hoping to get it sent
out soon. We're in the middle of downsizing as we enter retirement and
go from a big house to one half the size. And this has..it has caused
me to rethink my "audio world"
...
