Highend tube preamp w/no headphone jack - help I wanna get a pair of phones

You really want to get a headphone amp.

Hey great choice on the Dehavilland, I almost purchased one myself a few years back, went with a Manley Labs instead. If you plug your output into a headphone amplifier, you will have to play with 2 volume controls and its not an optimal situation for headphones, My Manley pre amp offers no monitor loop (rec/out) type output only a main output which runs through the volume knob as well. I tried it once with my Antique audio labs headphone amp and it worked, once i had the dual volumes dialed in right. Good Luck

Matt

I'm dealing with the same issue. No headphone jack on my Rega Elex-R. I'm planning to buy a budget headphone amp (and some Sennheisers too), feeding it with the "Record Out" jacks, which should not affect sound quality to speakers. 

You should at least look into a real headphone amp; what kind of budget would you be looking at? 

Nice preamp!  I’d suggest a good tube headphone amp you can hook up to your spare output.  Quicksilver makes a highly regarded amp that’s not insanely priced.  Just one option.  Also, do some research on headphones as you would with speakers as that choice will be critical to your ultimate enjoyment.  Best of luck.