The Sanyo RD-W 41 is a double cassette tape deck manufactured by Sanyo from 1987 to 1989 in Japan. This model features high-speed synchro dubbing capabilities, allowing for efficient tape copying. It incorporates Dolby B noise reduction technology to improve sound quality and has bias and equalization settings for normal, high bias, and metal tapes. The deck is equipped with 5-segment LED displays for easy monitoring of playback and recording levels. User-friendly soft touch buttons provide a seamless operational experience. Additionally, the RD-W 41 includes a headphone jack for private listening, and its DC servo motor ensures stable performance with minimal synchronous fluctuations (0.1% WRMS). The signal-to-noise ratio measures 57 dB without Dolby and 65 dB with Dolby when using metal tapes. The design is characterized by a classic black finish, and its original price was approximately 80 US dollars or 260 Deutsche Mark.