[quote name='Al Heeley' timestamp='1338140333' post='1670043']
not finished yet, waiting on TL071 chip to replace the LM741, then will shove in the dc socket and trim all to fit
[/quote]
Good choice of opamp - I'm still using an ancient mixer that is literally falling apart. Sounds incredible though - over the last week I took a peek inside to see if I could resurrect parts of it, and guess which opamps I found? Exclusively TL072s - lovely, lovely sound.