Sansui COM3101B

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The Sansui COM3101B is a CRT-based television model from the mid-1980s, designed for standard definition analog broadcasting. It utilizes a cathode ray tube display technology with a typical screen size ranging from 13 to 21 inches. The device operates with multi-system compatibility primarily in NTSC format, featuring a built-in tuner capable of receiving VHF and UHF channels. Its signal processing is analog with composite video input capability. The unit includes basic audio output through mono or stereo speakers integrated into the chassis. Control functions consist of manual rotary knobs and push-button tuning controls typical for its era.

The power supply is standard AC mains with internal transformers and voltage regulation components suited for home use. The device also incorporates signal demodulation circuits and CRT drive waveforms designed specifically for high contrast and brightness adjustment. Its chassis is constructed with metal and plastic composites, ensuring durability and heat dissipation.

The Sansui COM3101B offers reliable analog signal reception with a robust tuner system. Its CRT display delivers good color reproduction and contrast for the era's technology. The build quality ensures durability and longevity, reflecting Sansui's reputation in consumer electronics. The device’s simplicity facilitates easy maintenance and repair, with widely available components during its time. Its compact design allows it to fit conveniently in small spaces. Additionally, the inclusion of composite video inputs allows limited external device connectivity.

The COM3101B lacks modern digital input support such as HDMI or component video. Its analog CRT technology results in bulkier dimensions compared to flat-panel displays. The resolution is limited to standard definition, which is considered low by today's standards. The device does not support surround sound audio or advanced picture enhancement features. Color accuracy and brightness levels can degrade over extended use due to CRT aging. Additionally, it does not provide smart capabilities or channel guide features found in contemporary televisions.

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