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The HPA-1 delivers true world class performance at a very attractive price
Channel Separation 113 dB 1 kHz
Ultra-low 0
01 % THD+N Output Power 660 mW 50 Ω
21st Century Maida Regulator Power Amplifier The HPA-1 delivers true worldThe 21st Century Maida Regulator Rev. 3. 0 is a fully assembled module intended for B+ regulation in a vacuum tube amplifier. Since its release in 2012, the 21st Century Maida Regulator has become widely adopted by DIY tube amplifier enthusiasts and original equipment manufacturers who appreciate its ultra low noise floor and extremely high ripple rejection. This third major revision of the circuit takes the performance to a whole new level. Technical
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