Here is the link :
 
http://www.hammondmanufacturing.com/125SE.htm

Hammond SE OT trannys

that 1642se looks killer!
 
http://www.hammondmanufacturing.com/1627.htm
 
1642SE 75w 5,000 300 ma. 4-8-16 28lbs
 
just right for a big triode SE amp... i've got 4
sv572-30's waiting to be used, and these just might be
the ticket!
 
75w of se power, man... NICE.
 
ken

i also found some interstage trannies here:
 
http://www.hammondmanufacturing.com/124.htm
 
these look interesting too...
 
kg