What Speakers would you put in this Cab?

[kirk95]

http://farm5.static.flickr.com/4146/5020702934_26700b65a4_z.jpg

Looking for the mid-60's plexi vibe........ suggestions?

[Demo]

Brit g12m25's.

[Joe Porto]

On a budget? G12M greenbacks
For a classic late 60's sound, Heritage G12M
For a heavier late 60's sound, Heritage G12H

[kirk95]

G12M greenbacks and Heritage G12M... what's the tonal difference?

Thanks