It's the old diminishing returns, crazy prices for tiny improvements, maybe. I've been through 2A3, 300B, PX25, EL34 etc with front horns, back loaded horns, open baffles, etc. Now I get as good with a Sony receiver I paid £69 for, phono stage is excellent, just means I have to use a separate Dac.
Bakoon 13r Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus, project ds2 digital Rullit aero 8 field coils in tqwt speakers
Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons yulong dac Sony STR6055 receiver Jvc QL-A51 direct drive turntable, Leema sub. JVC Z4S cart is in the house
Garage system another Sony receiver, cassette deck
System components are subject to change without warning and at the discretion of the owner.