I detuned my 1960A and that lasted about 2 hours. It is great with an amp that needs more bottom oomph, but with a 6505+ it just got to loose on the bottom end and flubby. This is probably the nicest detuned cab I have seen and partnered with a SLO none the less.
Soldano SLO Custom Head / Matching CAB Celestion Golds - (eBay item 130153690717 end time Sep-24-07 12:00:03 PDT)