Bi - Amping


I want to Bi-amp my speakers with different amplifiers / and diff brands
A21+ Anthem STR amp harman Kardon Signature 1.5 Citation 7.1
what are the consequence or disadvantages of not using the same Amplifiers ?

Previewlordrootman
Ensure that the gain on the different amplifiers are the same. 
Ensure that the gain on the different amplifiers are the same.
They won't be, and that's what the $49 Schiit Sys passive is for.

Cheers George
Sounds like a valid experiment. 
I might try this instead for level adj.:
http://https//www.amazon.com/dp/B01CX82KH2/ref=cm_sw_r_apa_i_71mFEb1H6AQJS
Then you can hear from your listening position if it is worth pursuing.
Try it with cheap cables first.
Let us know how it works out.