Where's the High Pass in a State Variable LM13700 Filter?

[osterchrisi]

Hi!

I wanted to build a quick and not to hi-fi voltage controlled notch filter so I went for the LM13700 state variable filter. By summing up lopass and hipass you usually should get a notch filter. So here's the schematic:

Actually the hipass should be found at the non-inverting input of the second half of the LM13700, right? Thing is, there's nothing really useful comming out, am I overseeing something? Where's my hipass?

Thanks for any advice!!