[sdiy] headphone driver for synths

[Tony Allgood]

I've used one based on the O2:

http://nwavguy.blogspot.com/2011/07/o2-headphone-amp.html

It's very similar to Mike's 5532 op-amp design but this chap uses the 4556.

It's a long wordy (and interesting) blog but the schematic via the 
'documentation package' is found on this page:

http://nwavguy.blogspot.com/2011/08/o2-details.html#resources

Tony

www.oakleysound.com