I have a K&K pure maccaferri pickup installed in my Manouche Latcho Drom guitar that I run into a Schertler Unico amp. I run it into the Stat Channel which is an unbalanced high input impedance 1/4" jack. When I do this I like the sound but I get feedback at high volumes. However, the K&K pure is a passive pickup, and the unico manuals says:
"Through this input [Stat], it is also possible to connect all passive piezoelectric sources using
the “Active Driver Cable” (which you will find in our product list) – simply by pressing the 10 V button."
When I press the 10V button (without the active driver cable) I can turn up really loud without feedback but the tone gets harsh and I had to turn the highs all the way down on my last gig and the tone was still brittle.
Should I get the active driver cable to help this? However it is $90, which seems kind of a ridiculous for Schertler to charge for a cable.
Or should I get a K&K preamp to run into the Schertler?
I think that Bigtones are passive and I know some guys use BTs into the unico. What settings do you BT users use? (do you have the 10v switch engaged?)
What amps work well with the K&K pure maccaferri?
Thanks for your help!