As requested, here is complete info about the GOTO horn-based ultra-high-end audio system set up by Le Kim Thach (KT -Audio) in Hanoi, Vietnam. 

Audio source: 

– Digital: Esoteric K-01x CD player

– Analog: Micro Seiki. Seiki RX-5000 turntable, Kondo GE -1 phono preamp 

Active Crossover: 

-Active 5-way tube crossover – TAC5 from KT -Audio 

Multi-way amplifier system from KT -Audio: 

– Low bass: 20 – 80Hz 211 PSE Monoblock

– Mid-bass: 80 – 250Hz 211 PSE Monoblock

– mid-bass: 250 – 1250Hz 211 SE integrated

– mid-high: 1250 – 800Hz VT25 PSE integrated

– high frequency range: 8000 – 20000Hz VT25 PSE integrated 

Speaker System:

– Low bass: Goto SG38W x 4, in Onken enclosure. 

– midbass: Goto SG38WN x 2, in wooden horn

– Mid-bass: Goto 5880 BE, horn S-150

– Mid Treble: Goto 370DX- BE, Horn S-500

– Super tweeter: ALE 1750BE 

The music is reproduced delicately, naturally, and with high dynamics.