Horn based systems deliver clarity, and dynamics at low volume. Some single driver systems are also quite good at low volume. The same can also be said of lower powered triode tube gear, when such gear is also running nowhere near full output. Put the two together and you have the best combination for low volume listening.
I also like electrostatic speakers for low volume listening because of their clarity and ability to clearly convey small volume changes, though they cannot fully benefit from low-powered tube gear.
I also like electrostatic speakers for low volume listening because of their clarity and ability to clearly convey small volume changes, though they cannot fully benefit from low-powered tube gear.