Query on Board Pulling

Posted by: Madrid on 18 November 2002

I have read various posts on this forum on the sonic advantages of pulling phone section boards. I understood that pulling the 322 or 323 boards on a NAC 72 accomplished this.

Thus, I found a 4 mm allen wrench and duly opened up my trusty 72 (circa 1994). Lo and behold, I found the following boards:

321/5
324/7
325/7
729/1

Neither a 322 nor 323 amoung them!

Any advice from more enlightened members of this forum would be most appreciated.

Cheers,

Steven

Posted on: 18 November 2002 by rocketeer

Hi Steven

Don't know about the board numbers, but especially with the 72 preamps there may be more disadvantages than advantages, when pulling any boards. I have a 72 and have made the experiment: it sounds noticeably harsh, when removing the tape boards. Maybe this can help further: http://forums.naim-audio.com/eve/forums?a=tpc&s=67019385&f=48019385&m=2101990373