DB-25 Parallel / Serial connector, generated image
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Size25-pin
SignalParallel / serial / 8-ch audio
Pins25
ConnectorDB-25 D-sub

DB25

DB-25 Parallel / Serial
Invented in
1960s
Invented by
EIA / Centronics
Availability
Legacy

The wide 25-pin D-sub that served as the classic parallel printer port (and full RS-232 serial). For years it was how computers talked to printers.

Technical specifications
Introduced1960s
SignalParallel / serial / 8-ch audio
ConnectorDB-25 D-sub
Pins25
Found on
a printera mixer / interface
Recommended brands
01StarTech
02Lindy
03DeLOCK
Where to buy
Europe-focused retailer searches. Some links are affiliate links and may earn a commission.
Fun fact

In pro audio the same DB25 shell carries eight balanced analog channels, the "D-sub snake" still wires up studios today.

Tips & tricks

In audio a DB25 follows the Tascam or Yamaha pinout, confirm which before patching.

Philosophy

A connector with two lives: the beige printer port of the office, and the multi-channel backbone of the recording studio.

Applications
Data