PA-M(II) Integrated Amplifier

The main circuit of PA-M(II) Stereo Intergrated Amplifier is same with PA-M. Its pure Class A output power is 20W per channel. It upgrade from PA-M and add a pre-stage amplify circuit. Adopts SANKEN 2SA1695/2SC4468 audion, uses dual toroidal transformer for power-supply. Also it can as a external USB-DAC if connect to PC by USB. Supporting Sampling frequency:32KHz, 44.1KHz, 48KHz.

internal layout

USB-DAC circuit


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