Yes, all the SpeakerPower amps not equipped with the DSP Processing including the plate amps are available for purchase singly by anyone.
It's called prearranged free advertising on forums. You can find indentical posts elsewhere, where this company uses various people,who enjoy hanging out on forums, to advertise their wares.
You can find Brian chiming in after several other people , made postings on other forums such as HTS. etc. on other products made by this company. It would be nice if forums were free of these prearranged free advertising campaigns, as they do not lend well to proper forum discussions.
It is not always as obvious as this thread is, however there are people getting bullied off forums, from people that just cannot accept any negetive news about products, and i suspect a strong correlation to Big Business being represented.
At the same time, it's quite informative to hear and learn directly from the manufacturer about the ins and outs of a product. But I know what you're saying.
The question now however, 7 years down the road, is how the DSP section has developed in terms of features and whether it's available to the public?