Marantz EQ551
Tested and working. Sounds very good. Screen lights are pretty bright. Not as bright as new but this is from about 1986-1988
The plastic screen to the spectrum analyser has some plastic discolouration. Other than that in cosmetically very good condition.
Output Level: 1V (7V max)
Frequency response: 10Hz to 50kHz
Signal to Noise Ratio: 110dB
Total harmonic distortion: 0.005%
Control Range: ± 10dB
Frequency Bands: 31.5, 63, 125, 250, 500, 1K, 2K, 4K, 8K, 16KHz
Dimensions: 420 x 73 x 194mm
Weight: 2.7kg
Year: 1986