The work which Mitamura resident in Tokyo gave to me

• Case:WS type side wood case made by Takachi
• Amplifier device：LVX-IR4301M prototype
• Microcomputer:Marutsuelec MDSPIC2012(Microchip company dsPIC30F2012)
• The electronic volume:JRC company MUSES72320
• Power supply:Linear +/-18V