"Unlike gravity, synergy is an imaginary concept."
For those who cannot hear worth a damn, yes!
Is system synergy worth having matched components?
What have been differences you have noticed in listening to amps and preamps from different manufacturer's together compared to a combo from the same manufacturer? I love my current setup of an Odyssey Audio Khartago plus amplifier and Aric Audio Unlimited all tube preamp. It sounds great to me. But am I doing myself a disservice by not even hearing the Odyssey Candela or Tempest preamp with the Khartago?