you won't believe, but this small transformers work nicely with the tu-05 !!!!!!!!!!!!!!!!!!!!!
miss some refinement, in general they sound somewhat thicker, slightly congested, can be compensated by slightly attenuating the highs when using the hd800, with 32ohm headphones sound is much better!!!
ok herewith i announce that i have all parts for a mini tu-05 ready to build a four (only) tubes pocket SET tu-05 with the size of about two alo continental v2!
best of all with impedances from 32 ohm to 600 ohm, at the moment i am listening to the amp with small transformers and hd800.
i don't know if they have a gap (se output transformers, but the DC current is only 5.7 mA), but the volume level with the HD800 is such high that with the subminiature tubes the dc current could be reduced to about 2 mA.
Edited by GermanGuy - 11/11/13 at 2:44pm