[quote name='lee650' timestamp='1423329172' post='2683639']
The EBS microbass 2 is great, one of the inputs is optimised for piezo pickups so ideal for upright/EUB. One channel is a drive channel, however with the drive right down its still fairly clean/warm.
[/quote]
I was going to suggest this also. Didn't know about the piezo optimisation!