"David Looser"

Indeed, unlike the 405 in which the TL071 op-amp is in the signal path.


** The original Quad 405 used LM301A op-amps.

http://www.geocities.com/quad_esl63/...c/power405.jpg

The TL071 did not exist when it was designed.



So why is anybody stupid enough to waste good money "upgrading" the op-amp
in the 306?


** While there are definite limits on human intelligence - there is no
limit to human stupidity.



...... Phil