If you are interested in R2R DACs, at that price range for used you might consider the Cees Ruijtenberg designs, either Metrum Adagio or Sonnet Pasithea, or their less expensive siblings. The two companies are now apparently under one roof under Metrum Acoustics.
Looking for decent DAC with volume control
As the title says, i'm looking for a DAC with volume control ( analog preferred ). Recommendations are appreciated. Thank you.