Nakamichi PA-304 4 channel car amplifier

Nakamichi PA-304 4 channel car amplifier

cosmetically a bit rough but still works well

Specs: 4 x 45W @ 4 ohms 2 x 30W + 1 x 90 @ 4 ohms stereo + bridge 2 x 90W @ 4 ohms bridge THD: 0.005% S/N: 110dB Fuse: 30A

Dimension: (WxHxD) 320 x 56 x 190mm

Here's a blurb I found about the amp: This versatility plus its unmatched sound quality make the PA-304 ideal for a variety of high-performance installations and subsequent expansions. The advanced circuitry uses no overall negative feedback to ensure the most natural, high-definition musical reproduction sonic quality is further enhanced by the discrete output stage, which employs hand-selected matched power transistors.

Large-capacity PWM DC-DC converter power supply Isolated Ground topology High strength aluminum shell with separate power supply / audio circuit compartments Floating ground connectable to car chassis for improved noise resistance