Hi guys! I was wondering if anyone can give me a tip on how to best set-up the Sansamp bass di if im connecting it to an orange terror bass 500 amp head driving an orange obc115. I tried connecting my bass to the Sansamp input and sending the output of the Sansamp to the return jack of the orange amp head. It sounded really good but from what I've read, in doing this kind of set-up you will not be using the amp head's pre-amp but the signal of the Sansamp goes directly to the power amp stage. If this is the case, i feel like it's such a waste not to be able to make use of the orange valve preamp stage. Although, i tried the other approach of bass to orange amp head then send to Sansamp input then Sansamp out - return. I heard that this kind of set-up will go through the amp head's preamp stage, however i seem to be hearing a lot of noise coming out from the speakers even with minimal volume and gain on the amp head. If someone has the same kind of equipment please let me know how you set-up yours and if you are hearing noises too with the same set-up mentioned above. Your help and advice would be much appreciated. Cheers!