Description of item
The integrated amplifier aims at improving audio characteristics and operability by adopting a unique chassis structure.

The AU-9900 adopts a partitioned layout, with the preamplifier section and tone control section placed on the front panel side, and the power section such as the heat sinker and power transistor placed on the rear side.
As a result, each function and operation is independent and integrated into a single integrated amplifier, reducing mutual interference.

The input terminals for players, etc. are located on the front right side panel, and the output terminals for the speakers are located on the left side panel, ensuring that the signal flow can be amplified smoothly using the shortest route.
In addition, the input terminal, selector switch, and equalizer amplifier are located close to each other, reducing the need for shielded wires and preventing deterioration of high-frequency characteristics due to stray capacitance.

★Used for daily use/slightly damaged

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