Here is a part of an email that I have permission to post.

It explains the new machine numbering format used by them.

quote:
Regarding the naming convention on new models: We are changing to the following scheme:

GT = GravoTech
M = Machine
L= Laser
nn = model number

Example:
GTM40 - medium size (8x12) rotary engraver
GTM20 - small size (4x4) rotary engraver
LS100 - Laser system - small size (12 x13)
LS800 - Medium size laser (12x24)
LS900 - large size (24x24)

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.