Quote: Originally Posted by tommy_uk77 /img/forum/go_quote.gif hi larry,how about Travagans Red compare to Travagans white?which one matching modded HFI-780 better? They sound very much alike - the main reason I like the Red more is (1) I can fit a pair of AD743 opamps on a 2:1 adapter in it. Because of a limitation in space and internal layout, the best I opamp I was able to fit in the White was a pair of OPA627 on a compact 2:1 (with SOIC chips on the top and underside). Obviously, in my review I found the AD743 opamps to sound better with the modded HFI-780 than the OPA627, so the Red is the best option for those. (2) The speaker outputs do a good job driving Stax electrostatic transformers, and the White has no speaker outputs.