Japan

Sony is a Japanese company that specializes in various electronics products, including HiFi audio equipment.

Sony

The Sony TC-6900 is a tape machine manufactured between 1974 and 1977 in Japan, designed primarily for high performance in recording and playback. This model utilizes a direct drive system where the motor shaft directly drives the capstan, enhancing reliability by eliminating transmission and deceleration mechanisms. It features an AC servo motor with a frequency generator for stable rotation with minimal vibration. The head section employs a four-head configuration which includes recording, playback, and erasing heads in the forward direction, along with a reproducing head for reverse playback. Notably, it incorporates an F & F head design, which offers superior abrasion resistance and improved head touch due to its unique construction and finish.

Additionally, the TC-6900 uses a center capstan method, ensuring consistent sound quality in both forward and reverse playback. The auto-positioning pinch roller adjusts automatically to the tape's direction, promoting stable travel. It is equipped with scrape filters that work to reduce modulation noise which can affect sound quality. The machine features a logic control system that monitors the motor position and prevents damaging the tape during operation. There is also a sophisticated amplification system that uses a direct coupling method to link the head output with the amplifier, enhancing audio fidelity. Users can select tape bias and equalizer settings independently, providing versatility in sound shaping. Automatic functions such as reverse playback, error erasure prevention, and an auto shut-off mechanism are also integrated, promoting user convenience and tape care. The machine has separate VU meters, a tape counter, and a microphone input with an attenuator, showcasing its features aimed at audiophiles and professionals alike.

TC-6900

by Sony

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