Nikko - STA-1101 Solid state stereo receiver

General data from the manufacturer on the Internet
Manufacturer: Nikko
Model: STA-1101
Year of production: 1971 – 1973
Made in: Japan
Color: Black
Power consumption: 250 W max / 30 W in standby
Dimensions: 470 × 160 × 370 mm (L × W × D)
Weight: 15 kg
Number of inputs:
Phono MM: 2.0 mV / 50 kΩ
Tape, Aux: 200 mV / 100 kΩ
Microphone: 2.0 mV / 50 kΩ
Antenna: FM 75/300 Ω, MW 300 Ω
Number of outputs:
Headphones: 6.3 mm jack (front)
Speakers: 2 pairs
Technical Data
Amplifier
Continuous power (rated distortion):
8 Ω: 2 × 40 W
4 Ω: 2 × 60 W
Dynamic power:
4 Ω: 200 W, ±1 dB
Total Harmonic Distortion (THD):
0.2% / 0.5% (at 1 W / rated power)
Damping factor: 25 / 12 (8 / 4 Ω)
Frequency response:
10 – 70,000 Hz, ±1 dB
Aux: 20 – 40,000 Hz, ±1 dB
Signal-to-noise ratio (S/N):
Microphone: 65 dB
Phono MM: 70 dB
Tape, Aux: 75 dB
Tone controls:
Bass: ±12 dB at 70 Hz
Treble: ±12 dB at 10 kHz
Loudness: +10 dB (70 Hz), +8 dB (10 kHz)
High Filter: 10 kHz (-10 dB)
Tuner
Reception: FM, MW (medium waves)
Frequencies:
FM: 87.5 – 108 MHz
MW: 535 – 1,605 kHz
Input sensitivity:
FM: 1.5 µV (IHF)
MW: 100 µV (IHF)
Distortion:
FM: 0.5% / 0.8% (Mono / Stereo)
MW: 0.8%
Signal-to-noise ratio:
FM: 60 dB
MW: 55 dB
Channel separation: 40 dB (FM, 1 kHz)
Selectivity:
Co-channel selectivity: 1.5 dB (FM)
Image-frequency rejection: FM: 80 dB (98 MHz)
MW: 70 dB (1 kHz)
IF attenuation (intermediate frequency):
FM: 100 dB (98 MHz)
MW: 70 dB (1 kHz)
AM suppression: 45 dB

Only defect: missing the small plate for the treble sliders (treble)