Tascam MD-501
A 2U MiniDisc recorder with balanced XLR I/O and a PS/2 port for a PC keyboard. The pro-rack MD machine that made titling discs almost painless.
Overview
The MD-501 arrived as Tascam's mid-price 2-track MiniDisc recorder/player, built for radio, live theatre, and installations. That's duty where you need random access and a rack ear more than a domestic hi-fi's styling. Tascam positioned it above the budget MD-301, and the difference between the two is mostly connectivity and control rather than the core format. Both are 2U-high rackmounting units with large, bright displays and a generous spread of dedicated controls, and both handle the same playback and editing chores. The MD-501 is the one you buy when the install has a patch bay and a keyboard.
The I/O is what sets it apart. The MD-501 carries balanced analog ins and outs on XLR as well as unbalanced RCA phonos, plus optical TOS digital I/O and a coaxial digital input. Studio Sound (March 1998, p.1) covered the machine alongside its MD-301 sibling, and the reviewer drew the line plainly: the more expensive MD-501 gets the balanced XLR connections where the MD-301 makes do with unbalanced jacks. In a broadcast or theatre rack that matters, because the alternative is a hum you spend an afternoon chasing.
The other headline feature is the front-panel PC keyboard connector. Plug in a standard PS/2-type keyboard and you can name discs and tracks without stabbing at a rotary dial. Studio Sound (March 1998, p.1) noted the facility matters especially because neither machine offers a wired remote, opting instead for wireless infrared units. It's the reason the MD-501 keeps showing up in radio and theatre racks where discs get titled constantly.
The rest of the feature list is aimed at the broadcast desk. Auto Ready mode and program play make the unit suitable for on-air work, and an SRC converts incoming digital to 44.1kHz so you can pull material off a DAT without fumbling for the right sample rate. There's digital level control and a programmable fade, plus an edit suite of Divide, Erase, Move, Combine, and Track title. It also has Time Stamp, shuffle and repeat play, a clock display, and a digital auto fader function. It shipped with a wireless infrared remote controller.
The editing workflow is friendlier than the format's reputation suggests. Studio Sound (March 1998, p.1) walked through the trim process: press Edit during play, drop an edit point on the fly with the Yes button, and the machine loops a few seconds around your mark while the rotary Track control nudges the point by a digital frame until you confirm it. Once recordings are titled and trimmed, up to 25 tracks can be chained into a Program, and a silent recording can be inserted as spacing between them. The reviewer found it all very simple for the inexperienced editor.
Studio Sound (March 1998, p.1) flagged the absence of any wired remote control and the lack of a wired digital output. There's an S/PDIF input but only an optical digital output, which the reviewer considered uncommon among professionals. The same review questioned the value proposition, noting the machine cost several times a contemporary Sony and that for roughly 10% more than the MD-501 a buyer could step up to a fully-specified pro machine from Denon. The verdict was that the Tascam was unquestionably more solidly constructed and would stand up to hard daily use better, but with only consumer-level facilities, that build quality might be more than the job requires.
The 2U chassis, the balanced XLR I/O, and the keyboard titling are the reasons the MD-501 survived in racks after the domestic MiniDisc market collapsed. If you find one, check the optical output and the XLR connectors first. Those are the parts that get abused in a working install.
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