Good dac to reproduce soprano vocals?

Hfl, I listen to opera and gave my opinion. Try NOS ladder DACs. It may be what you're after.

Try a well built DAC based on the venerable TDA1541 chip, peferably Double Crown. The ones I've heard preserves the timbre of female vocals like no other modern DACs, closest to a vinyl rig. The modern DACs may be better at soundstaging and imaging and frequency extension, but no modern DAC I've heard can beat a NOS ladder DAC when it comes to vocals and acoustic instruments sounding like the real thing.

Hfl, the delta sigma chips in most modern DACs sound processed and unnatural to my ears. The best chip I've heard in producing natural sound of acoustic instruments and vocals is the TDA1541 Double Crown chip, which virtually impossible to find now. I saw one go for $600 on eBay and it was a fake. It is used in the Zanden DAC, the old reference Marantz CDP, etc. The Metrum, dB Audio Lab Tranquility, MDHT Havana, Ack!, Audial, Tent Labs, so on all use multibit ladder DAC chips. Some are extremely affordable and sound great.