This has been tested and working. All inputs and outputs work.  The fast forward, rewind, play and stop work. 

This vintage Yamaha mt44 multi track cassette recorder has been tested and is in working order. It is a great addition to any recording setup and is perfect for those who prefer the analog sound. With its cassette feature, you can create unique and authentic recordings that are hard to replicate with digital equipment. This recorder is compatible with a variety of musical instruments and gear, making it a versatile choice for any musician or audio professional.