The Marantz SD-415 is a dual-well stereo cassette deck produced in the early 1990s. It features auto-reverse on both decks, Dolby B & C noise reduction, and HX Pro headroom extension. It supports normal (Type I), Chrome (Type II), and Metal (Type IV) tapes, and includes features like high-speed dubbing and a title search function. Core Specifications Type: Auto-reverse, double compact cassette deck Track System: 4-track, 2-channel stereo Tape Speeds: Normal and high-speed dubbingTape Type Compatibility: Type I, CrO2, and MetalNoise Reduction: Dolby B, Dolby C, and HX ProFrequency Response: 20Hz to 18kHz (Metal tape) Signal to Noise Ratio: 70dB (Dolby C)Wow and Flutter: 0.08%Dimensions: 420 x 118 x 280mmWeight: 5.4kg Key Features Dual Auto-Reverse: Allows uninterrupted playback and recording on both decks. Noise Suppression: Incorporates Dolby B and C to reduce tape hiss, alongside HX Pro for better high-frequency response during recording. Dubbing & Editing: Equipped with two DC servo motors and allows you to switch between normal and high-speed tape copying. Connectivity: Standard RCA line inputs/outputs and typically includes a headphone output and microphone input.