Need amp suggestions for Hedlund Horns....

This is why I inquired about price range in an earlier post as it's a major factor.if your budget is roughly 1500 USD  then virtually all of the amplifiers listed earlier will exceed that range by a substantial amount. 

The Sean Casper F2a amplifier could very possibly be a good one. The F2a isn't a DHT  (directly heated triode) but is a German Siemens Pentode type tube. Shindo used this tube in two of their power amplifiers(Shinhonia and Cortese).  This would suggest to me that it's a very good sounding tube. It is reputed to be a very durable and long life tube as well. 

I'd try to get in touch with Sean Casper to gain further information on his amplifiers. They’re American made and claim to use good parts and transformers. I believe that it's worth checking out. Any amp much less costly "may"compromise on parts and built quality. 
Charles, 

This might fit the bill for you and your budget no affiliation I know Charles and many other love Coincident gear.
https://www.audiogon.com/listings/tube-coincident-dynamo-34se-2016-09-20-amplifiers-11373-jackson-he...
 

Jond,
Now that we know the budget the recommendations can be much more specific. The current available version is the Dynamo  MK II and is reported to be noticeably improved. Bigger and better  chassis,  power supply capacitance and better transformers. Worth the extra 200 dollars over the original version per reviewers. Runs the el 34 single ended for 8 watts. 
Charles, 

I totally agree, now that we know a price range it's a lot easier to make recommendations that are doable for Ramoneo14 ;-).

The impedance and efficiency make a lower powered OTL a good choice as well.