Solar geyser system . I live in the Garden Route and use solar panels for the geyser with a Samsung supplied ( Alliance )
5 KW heat pump as backup during bad weather periods . It kicks in at 35 C .
A heat pump gives roughly 1 in 3 out heat . I have been using it for many years . Hot water 24 hrs...
I experienced the same problem using an old cheap BT receiver using a refurbished recapped Sansui . I suspect it is the BT receiver . My Denon with built in Apple connectivity does not suffer from the fuzziness . The Sansui sounds fantastic on good CD’s .
Tinus Wille , Point Systems Audio in Cape Town restored / repaired a number of amplifiers, AV Receivers and speakers for me . Cambridge Audio , Denon , Sansui . Tinus is a retired electronics engineer . 083 547 3826 .