Agree with Aronsss. Tannoy DCs require a long break-in period. When first I heard my Tannoys, I feared I had made an expensive mistake. I played them round the clock for a month before they began to sing.
Also, Tannoy DCs require top-rate amplification. Look for a used pair of Jota monoblocks.
Also, Tannoy DCs require top-rate amplification. Look for a used pair of Jota monoblocks.