1981- Multitech Micro-Professor MPF-1B SOUND BOARD GENERATOR WITH SPEAKER (9/2026)
Tags
Multitech
Description
An add‑on sound generator board designed for the Multitech Micro‑Professor MPF‑1B microcomputer trainer. This accessory expands the MPF‑1B’s educational capabilities by enabling tone generation, audio experiments, and programmable sound routines. The board includes discrete components, audio circuitry, and a rare external speaker, which is seldom found with surviving units.
Acquisition
Acquisition Method
EBay
Date
Sep 14, 2026
General Notes
Note
Historical Significance:
The MPF‑1 series is one of the most recognizable microcomputer trainers of the early 1980s, used globally in technical schools and hobbyist education. Sound boards were optional peripherals and are considerably rarer than the base units, making this example valuable for documenting early microprocessor‑based audio experimentation.
Collector’s Notes:
This board is desirable due to its scarcity, intact speaker, and association with the MPF‑1B ecosystem. Ideal for collections focused on microcomputer education, early embedded systems, or Multitech hardware.