2 x 300 Watts.
Panasonic/Sanken Components.
Sought after!
At time of writing, one going on Ebay for £899, which might be a tad ambitious, but they were expensive when new, around £700.
Decent condition for age.
Tested/working/cleaned. New fan filters, etc.
 
2 available.
 
Cash/collection from Rainham, Essex.
Price includes UK shipping.