EAR's tube phono equalizer. It is a valuable equalizer that enhances the characteristics of individual cartridges while being a thick, glossy tube type tone. MM/MC compatible MC boost transformer is not unusual for MC boost instead of a head amplifier. Serial 97121007 (Itsuro Mizushima)
Maintenance information: 2021.9.24 operation confirmed
Accessories: instruction manual, power cable
Main specifications: Spherical type NF type vacuum tube ECC83S Use 3 bottles W140 × H105 × D325mm 3.2kg