252 pre in AV mode connected to AV processor

Posted by: djs1784 on 15 September 2016

This may be a very dumb question: does the 252 pre contributes anything to the final sound output of L&R when integrated with a sound processor in AV mode?

I tested the set up with the 252 connected and also with the surround pre connected directly to 250.2 amp and heard different results. Is it a placebo effect on my mind?

 

Posted on: 16 September 2016 by Adam Zielinski

Technically - no. 

252 is essentially bypassed and the feed from the AV processor goes straight to your NAP. 

Posted on: 16 September 2016 by Simon-in-Suffolk

r u sure? I thought the 252 buffer stages were still being used in this mode? So technically I would say yes if that is the case

 

Posted on: 16 September 2016 by james n
Simon-in-Suffolk posted:

r u sure? I thought the 252 buffer stages were still being used in this mode? So technically I would say yes if that is the case

 

You're right. Volume control is bypassed but not output buffers. 

Posted on: 16 September 2016 by Adam Zielinski
Simon-in-Suffolk posted:

r u sure? I thought the 252 buffer stages were still being used in this mode? So technically I would say yes if that is the case

 

I was simplifying Simon

Of course sound passes through 252 but volume and tone is adjusted via the AV preamp.