Question for Krell Kav-300il and 400xi owners?

I brought my amp over to my buddy's place recently who had just picked up the N804's. Man, did they sound great with the KAV-400. I want to upgrade now, unfortunately an ongoing house project is depleting my cash. Oh well.

I am using a Krell 300iL with Vandersteen 3A Sigs. Really sounds incredible, works well with anything from hard rock to accoustic. Make sure you use a good power cord, I just put a ESP Essence on the 300iL and the amp was transformed. Huge tight bass, super quiet background and a very focused soundstage.

Pasdrt, what power cord are you using? I'm still using the stock cord. What type of improvements can I expect if I upgrade?
Thanks.

I have the 300il that I have paired with RBH 661 25th Aniv edition. Great rich sound for vocal and piano. A couple things I have tweeked which many Krell owners know is to replace the power cord with a decent make and let unit warm up for an hour or so before serious listening.

I have the 400xi paired with Sonus Faber Cremona floorstanding. For my tastes, in my room, the pairing is wonderful.

I have the krell KAV 300r with revel salons- great sound, but I could use a bit more power.

I have a pair of B&W CDM9's. Now discontinued. These sound great (imo) paired to the Krell 400xi. B&W's like current and this unit provides plenty. Enjoy the amp, it's a great unit.

I using the new 400xi with Sonus Faber Cremona Auditor. Very happy with the sound.