Equalizer connection question


I need some expert help please. I have cables from the output of my tube preamp to the main in on my Sansui 9090DB. The volume is controlled by the preamp and all is good there. I want to try a Sony SEQ-711 equalizer in the mix but I am not sure about the correct way to connect it. I need advise as to how to do this the correct way. Thank you

smallmouthrule
Post removed 

If your equalizer also has a tape loop make sure it is not engaged. That could be your problem. BTW I like putting equalizers in the tape loop - if nothing else it allow  you to disengage it without disconnecting it and is less likely to degrade the sound of your system when not engaged.