search 4x12 cab schematics

[logic]

Does anybody has the schematic of 4x12 cabinets , such as marshall1960a or mesa 4x12 Rectifier® Standard Slant Guitar Cabinet. I have 4 V30 speakers and one cab I real need. Thanks l lot!

[seljer]

theres dimensions for a Marshall 4x12 here
http://colomar.com/Shavano/copy_cabinets.html