I had my 12VQ in 2.25 tuned to 28Hz and it slammed //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif So id go for lik 1.75 tuned to around 28-32Hz.
Hold on....you say its a 10.1DVQ....Ok is it the 10DVQ or the 10.1D? Theres a big difference in subs there....