AES/Cary DJH Preamp tube change

I found a new NOS Raytheon 6CA4 EZ81 at ebay, how would this work in the rectifier position?

Hi,
I purchased a AES/Cary DJH preamp along with there six-pacs about a month ago.(very impressive set) I also felt I needed to change out the stock 6sn7 tubes in the pre/amp, I did buy the Electro Harmonix with the gold pins, and YES there was a definite improvement in sound, The sound become smoother more defined, detailed and in a way cleaner, not that the stock unit was bad at all.
I think it was the best $ 53 I spent in a long time, and I want to replace the six-pac with them when I find them .

Szunker, where did you get the EH gold pin 6SN7 from?

Hi,
I purchesed the 6SN7 EH with the gold pins from "thetubestore.com also I have seen them listed at "tubedepot.com".
p/s when you get them tell us what you think.

I use the AES?AE-1p
I found that the best tubes for "ME" were NOS. RCA w/red lettering