Japan

Nikko is recognized for producing a variety of high-fidelity home audio equipment, including amplifiers, receivers, and speakers. The brand often appeals to enthusiasts who appreciate vintage and retro audio gear.

Nikko

The Nikko STA-6010 is a stereo receiver from the early 1970s, designed with a focus on achieving high sound quality. It utilizes high-performance Field-Effect Transistors (FET) and integrated circuits (IC) for stable performance. The amplifier features a two power supply OCL (Output Capacitor-Less) system with a linear drive circuit, ensuring clear sound reproduction. The design includes dual output terminals and a dedicated tape head input terminal, allowing for conversion to a 4-channel system. Additional features include a smoke screen, an illumination dial, and a protective circuit that employs a circuit breaker. 

The FM tuner section boasts impressive specifications, including a sensitivity of 1.8 μV, an image ratio of 60dB, an IF interference ratio of 80dB, and a signal-to-noise ratio (S/N) of 55dB. The distortion factor for mono audio is rated at 0.5%, with stereo separation at 40dB and a leak carrier at 45dB. The AM tuner section has a sensitivity of 150 μV/m and features an image ratio of 45dB, with a selectivity of 25dB.

In terms of amplification, the Nikko STA-6010 provides a music power output of 55W at 8 Ω and an effective power output of 18W per channel at 8 Ω. Frequency response extends from 20 Hz to 30 kHz with a distortion factor of 0.2% at a 1W output level. The receiver includes multiple input options with varying sensitivities and impedances for phono, auxiliary, and tape monitor inputs. Tone control allows for adjustments in bass and treble, while a loudness feature enhances low-frequency output.

Construction-wise, the receiver utilizes several semiconductor components, including 2 FETs, 3 ICs, and a total of 30 transistors. Its external dimensions are 390 mm in width, 127 mm in height, and 340 mm in depth, while it weighs 8 kg.

STA-6010

by Nikko

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