the minimum gain on the V3 is +10dB. because of that, you might want to pop open the V3 and engage the -20dB pad in the V3. alternatively, maybe just run the gain the 5012 real low, and you might be ok. you're best bet, but if you're not happy with the ACM HD-P2 for A/D, you should pick up an AD2K+ or mytek A/D converter, because that'll be fantastic behind the portico