Amplified guitar (either electric or acoustic) to Grace Design EQ/Pre to Headphone Amp (Woo Audio WA3) to Sennheiser HD650s. My question concerns the headphone amp. I know the WA3 is a good match for the HD650s, any issues taking the signal from the EQ/Pre? Thanks!

Hello all - I came across this forum in the course of researching headphones and then again while researching headphone amps. I settled on a pair of Sennheiser HD650s. Still looking into amps, but i’ve Narrowed it down to: Valhalla 2, Little Dot Mk IV, Woo Audio WA3. I enjoy all types of...