Help chose : Hafler 110 preamp or Carver C2 preamp ??

These guys offer significant(and reasonably priced) upgrades, for the DH-110, should you desire. ie: http://www.musicaldesign.com/MC_Haf_premod.html Just FYI: With the 110; an MC phono stage was optional(something to ask a seller about, if a concern). The Hafler is fully discrete(no op-amps in signal path). The later productions(black pebble finish/Rockford) had gold-plated RCAs, metal-film resistors and went to Polypropylene capacitors, from Polystyrene(desirable changes).

Why these two preamps? Are there none others in the area?

what does the robbergerman NOT have in his vast collection ?

i built so many 110, 101, 200, etc putting myself thru University....a very competent preamp and others have mentioned more “ off the shelf” modification available....

BUT Ralph makes a good point, you have lots of choices...ONE of my favorite low. $ ss preamps is the acoustat RP-2 or in tubes a CJ PV-2
or Ralphs entry level pre.... 

Can't comment on the Carver, but had the Hafler 110 built as a kit by myself. It worked great, but compared to some of the similar pre's of the time, I thought the Hafler was a bit on the hard sounding side, mostly noticed in the upper mids. Was slight, but audible. I purchased a used B&K Pro 5 preamp and found it better sounding. As Ralph says, there are others than these two.

Try a Stax CA-Z, if you can find one.