This recorder is fully tested in my personal studio and working like new...The Akai MG614 is a professional-grade 4-track cassette multitrack recorder and 6-channel mixer known for its high-quality preamps and advanced automation features. Released in the late 1980s, it distinguishes itself with a dedicated fifth track for sync signals, allowing all four main tracks to remain free for audio while syncing with MIDI devices. Vintage Digital Vintage Digital +3 Technical Specifications According to data compiled from Vintage Digital and mu:zines, the unit features: Tape Speed: Dual speeds of 1⅞ ips (4.75 cm/sec) and 3¾ ips (9.5 cm/sec). Frequency Response: 30Hz to 20KHz (+2/-3dB) at the higher 3¾ ips speed. Noise Reduction: Built-in dbx Type I, providing a signal-to-noise ratio of approximately 90dB. Pitch Control: Adjustable by ±10%. Weight: Approximately 11 kg (24.2 lbs). Dimensions: 470(W) x 157(H) x 556(D) mm. Vintage Digital Vintage Digital +4 Mixer and Audio Features The integrated mixer is often praised for its "analog warmth" and professional routing capabilities: Preamps: Expert reviews from More Than a Cassette Recorder note that the preamps are of such high quality they can compete with standalone units costing $1,000. EQ Section: Features a two-band sweepable parametric EQ. High: 800Hz–10KHz, ±15dB. Low: 40Hz–1.5KHz, ±15dB. Input Channels: Six channels total; channels 5 and 6 include balanced XLR inputs with transformerless preamps. Routing: Uses a computer-assisted "REC TRACK/BUS" selector that allows any channel output to be routed to any track without manual patching. Vintage Digital Vintage Digital +4 Advanced Microprocessor Functions One of the most unique aspects of the Akai MG614 for its time was its onboard microprocessor: mu:zines mu:zines Auto Locator: Includes a multi-point search system with four assignable memory positions for quick cueing and shuttling. Automated Punch-In: Supports programmable and rehearsable drop-ins/drop-outs for seamless recording corrections. Dedicated Sync Track: A "fifth" track specifically for FM recording of tape sync signals from sequencers or drum machines. Vintage Digital Vintage Digital +4 These articles cover the technical specifications, mixer features, and specialized functions of the Akai MG614 multitrack recorder: