Hi Tangent! It was I who posted about at Headwize. What Jan pointed me was that: the LM6171' pins 1, 5 and 8 not connected at all; but AD8610' pin 1 and 5 can be used to control output offset so, if I want to use this possibility they have to be connected and, then, I shuold need to make some...

Nezer ------ if the 637 sounded that good with that load on it with a 6171 as a follower, how great would it sound if biased with a better current drain and using a buffer as a follower ------ I'm just using four 627; do you think this is wrong?

PPL, I need your advice A pair of AD8620 arrived at home today, and some AD8610's are on the way. I really want to test this op-amp since, from your tests and opinions, they seem the very best op-amp's around. Two questions: 1. Can I connect the AD8610 to my meier's HA-1 just changing...

Nezer, Three days ago I posted at Headwize on some of my impressions about LM6171 vs. OPA627. I tested opa627 in my DIY meier's amp HA-1. OPA 627 is a better sounding op-amp than the one by National. Yes they're getting hot within seconds, BUT I'm doing the mods suggested by Jan Meier...

Hi ai0tron! "3.5mm mini-ToslInk plugs at both ends" at www.supracables.co.uk ADEWOLF