Ok, so it is a rackmount!
Question: what are the 4 buttons on the right upper front?
Here's a bigger image:
[Blocked Image: https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-ash4/280962_586539894695671_1385047946_o.jpg]
The 4 buttons are Delay and Reverb, not sure where the Mod knobs have gone though.
Cheers,
Martin