Thank you for viewing! This item is being sold as a junk item in its current condition. Please purchase with the understanding that repair or maintenance may be required. Power-on tested only with dry cell batteries. Other functions have not been checked. 《Product Description》 Current Condition Junk Item Power-on Confirmed YAMAHA Yamaha MINI DATA FILER MDF3 Recommended Popular Rare Audio Equipment Sound ~Quoted from below~ ・This is a data filer from YAMAHA. ・It can save and edit settings for MIDI devices, and play SMF data, etc. The Yamaha MDF3 (Mini Data Filer MDF3) is a compact MIDI data storage device released in the late 1990s. It is primarily a device for saving and managing data from MIDI devices such as synthesizers, tone generators, and sequencers on floppy disks. Main functions MIDI Data Recorder (MDR mode) — Receives System Exclusive (SysEx) bulk data in real-time from MIDI devices and saves it to a 3.5-inch floppy disk (2HD/2DD). Saved data can be retransmitted. Compatible with bulk data from other manufacturers' devices (almost all devices that support bulk dump). Data compatibility with the previous models MDF2 and QX3. Sequencer Mode (SEQ mode) — Plays Standard MIDI File (SMF format 0/1) and Yamaha's proprietary ESEQ format. Real-time MIDI data recording and playback (supports 16 channels). Equipped with convenient functions such as tempo change, loop playback, and program playback of up to 99 files. Storage Capacity — Up to 99 files can be saved per disk. Approximately 150,000 notes equivalent when recording with the sequencer. Power Supply/Portability — Can be powered by 6 AA batteries. AC adapter (12V) can also be used. Convenient for live performances and field use. Connections — MIDI IN/OUT, foot switch terminal (start/stop control). ※Please research for more detailed information before purchasing, as the contents may occasionally differ from the description. 《Included Items》 Main unit only All items shown in the photos are included. 《Condition》 ※Sold as a junk item in its current condition! Thank you for your understanding. Disinfected and cleaned No pets, no smokers 《Shipping》 Within 2-3 days