MIDI hardware from 1986 still talks to your laptop. Here's how to shop the secondhand market without regret.
01What Makes Old MIDI Gear Safe — and What Doesn't
The MIDI protocol standardized in 1983 and has never fundamentally changed. A Roland keyboard from the late eighties sends the same Note On messages as a controller you'd buy new today. That stability makes used MIDI gear one of the smarter secondhand buys in music — but the hardware itself can still fail, and sellers don't always tell you everything.
Test the ports first. The 5-pin DIN connector is the most common failure point on older gear. Pins bend, contacts corrode, and sockets loosen from years of plugging and unplugging. If you're buying in person, bring a MIDI cable and a second device and actually route a signal. A seller who refuses that test is telling you something.
Faders, knobs, and keys all degrade. Potentiometers get scratchy and skip values. Key contacts on aging keyboards go dead or velocity-sensitive surfaces stop reading dynamics accurately. Work every control from minimum to maximum while connected to a DAW and watching incoming MIDI messages — a Control Change that jumps erratically shows up immediately on screen.
Ask about firmware. Older MIDI interfaces and controllers sometimes had bugs fixed in firmware updates that are now hard to find. Search the model number before you buy; Yamaha, Roland, and M-Audio all posted historical firmware, but not every manufacturer did.
USB-MIDI gear has one extra wrinkle. The USB port itself takes mechanical stress. Wiggle the cable gently during testing — a loose connector that cuts signal will cause maddening dropout in your sessions.
Know what's a bargain forever. Straightforward DIN-only MIDI interfaces, basic one-cable patchbays, and simple controller keyboards with no motorized parts hold up for decades. Gear with complex mechanics — motorized faders, ribbon controllers, breath controllers — is riskier used and warrants harder scrutiny. Vintage synths with MIDI added on are a different category: worth researching deeply before committing.
Where to shop. Reverb and eBay both carry enormous used MIDI inventory. zZounds occasionally stocks open-box gear with some warranty coverage, which removes much of the guesswork. Local shops and Craigslist deals let you test before you pay — always the best scenario.
The honest bottom line: MIDI gear depreciates because people upgrade, not because the protocol breaks. Buy something you can test, verify every port and control, and you'll often land a perfectly functional piece of kit for a fraction of its original price.