Sunn 4x12 reissue how to do this??

[pawel1310]

I want to DIY this cab and i have a problem i have only this information http://www.sunnamps.com/pdfs/manuals/guitar/Sunn_412.pdf but i dont know where are voices but on front or on back? i dont know what is inside (some compartment or something like that) and i dont know how to connect  voices? and deph is situated wall with voices of fornt? if you have information for this question or something more  schematic or anything you will help.

[Happy Face]

In the earlier models, the speakers (voices) were loaded from the back. You would take off the back of the cabinet and screw the speakers to the back of the baffle. On later models, the speakers were attached to the front of the baffle. You simply pulled off the cloth grille and screwed the speakers on to the front of the baffle.

My mid-70s model has no compartments, but does have some insulation to cut down on reverberation.

Hopefully someone will post photos for you.

[THE COPS]

i dont have any pics or measurements, but they are sealed back - and rear loaded voices.  So basically, you remove the grill, THEN remove the baffle board, and the speakers are rear mounted there.  Super awesome cabinets - thunderous.  i will try to get some measurements when I head down to my space in a few hours.