Kenwood - KA-828 Solid state integrated amplifier

Specifications (key facts)
Power output: 130 W per channel (8Ω)
Frequency response: 20 Hz – 20 kHz
THD: ~0.007%
Phono stage: MM + MC (switchable from front panel)
Signal-to-noise ratio: up to 107 dB (line)
Dimensions: 340 × 109 × 369 mm
Weight: ~9.2 kg
Years: ~1984–1986
Notable tech
DLD (Dynamic Linear Drive) dual-stage output system (low-power + high-power sections)
Good ability to drive low-impedance speakers (even down to 2Ω in tests)
Clean, powerful “punchy” sound for its size

In simple terms: it behaves like a bigger amp than it looks.