Blackface Deluxe...

I have a '64 Blackface Deluxe Reverb that I find has too much treble (I have to keep it at 1-2) and breaks up too quick (around 3.5 for single coils).  I'm wanting a speaker that will stay cleaner quite a bit longer and that has much less treble.  What speaker should I consider?

I'm gonna say ET-90 for you ... and be sure to check out:

http://wgs4.com/1967-fender-deluxe-reverb-quest-best-replacement-speaker

(The ET-90, BTW, wasn't available when I did this shootout...