I have always found the 4000s very warm and exceptional speakers. In fact, as I type this I am listening to one of our two pairs even though another room in the house has Beolab 9s. We also have a pair of Beolab 1s that are now rears, the 1s previously were the fronts but were replaced with 9s. For music I preferred the 4000s to the 1s as the 1s did seem somewhat harsh and cold.
Beovision 7-55 with Beolab 7-4, 9s and 4000s
Beovision 10-40 with Beolab 1s and 6000s
Beosound 1, 5, 2000, and 3000
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