Apple Monitor III

The Apple Monitor III is a monochrome monitor that was designed, manufactured, and sold by Apple from 1980 to 1985 as part of the Apple Monitor series. This Monitor has been introduced on September 1, 1980, and features a 12” CRT White or Green phosphor Display, up to 40 fL brightness, resolution up to 700 TV lines, and an RCA-style jack connector.

Apple Monitor III was compatible with the Apple II Plus, Apple IIe, Apple IIc, and even the later models like Apple IIc Plus, and the Apple IIGS through its composite video output jack.

This monitor has been discontinued on September 1, 1985, and has been replaced by AppleColor Composite Monitor.

Today Apple Monitor III is 42 years old!

Apple III Monitor
Source: – Apple III Monitor

Apple Monitor III Release Date

IntroducedSeptember 1, 1980
DiscontinuedSeptember 1, 1985
Order NumberA3M0006 (White phosphor)
A3M0039 (Green phosphor)
Original PriceUnknown
Weight16.5 Ibs.
7.484 KG
Dimensions10.6” H x 17.2” W x 12.5” D
26.92 cm H x 43.68 cm W x 31.75 cm D

System Requirements


Viewable Area10.5”
ColorsWhite or Green phosphor
Brightness40 fL – A3M0006
20 fL – A3M0039
Resolutions700 TV lines at center, 500 TV lines at corners
Text Display80 characters per row, 24 rows
Viewing AngleN/A
Contrast RatioN/A
Response TimeN/A
Pixel PitchN/A
Pixel DensityN/A


ConnectionRCA-style phono jack


Maximum Continuous Power45 W

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