Prime 300B specification A premain amplifier with a 300B push-pull configuration from Sunvalley. It is an excellent product that adopts a self-bias circuit and can be switched to 2A3 specifications with a single switch. Input 4 can also be enjoyed as a power amplifier in the PRE IN position that passes the volume (Yoichi Murakoshi)
Maintenance information: 2022.7.29 Sound output confirmed
Accessories: power cord
Main specifications: 300B push pull 18W+18W W430 × H245 × D330mm 24kg