These were the colour monitors sold together with the [[CPC_old_generation|classic CPC-computers]].
The only difference between the CTM640 and CTM644 models is the additional 12V power supply for the CPC664/CPC6128's disk drive in the later model.
== Technical Specs. ==
Tube diameter: 36cm/14"
Visible diameter: 34cm/13.5"
Input voltage: 220V~/50Hz
Power consumption: 65W
Output voltage: 5V
12V (CTM644 only)
== Pictures ==
[[Image:ctm644.jpg|thumb|Amstrad CTM640/CTM644 Colour Monitor]]
== Weblinks ==
== Manual ==
The procedure of setting up the CPC with the MP-1/MP-2 modulators is described in the CPC's user manual.