Marantz EQ-20
¥ 39,800 (around 1981)
Commentary
Left and right independent 10-element graphic equalizer
It can be adjusted with 10 center frequencies, and it is possible to produce the desired sound quality.
It is also equipped with a defeat switch that can disconnect the equalizer circuit.
The amplifier and deck are connected even if the power supply is turned off. This is an independent circuit design.
Model Rating
Type | Graphic equalizer |
Center frequency | 30 Hz, 60 Hz, 120 Hz, 240 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz (Each frequency is variable by ± 10 db) |
Frequency characteristic | 10 Hz to 25 kHz ± 1.0 dB |
Signal-to-noise ratio | 110dB |
Total harmonic distortion factor | 0.005% (1 V, 20 Hz-20 kHz) |
External dimensions | Width 416x Height 73x Depth 195 mm |
Weight | 2.8kg |