What Beez -- a "lunchbox?"

[riccol]

O.K. I'll ask this in the newbie forum.--- considering higher end pres --
read post about a "lunchbox" not sure what this is or how you add "op amps" or what the heck is an "Op amp????"

So to the newbie forum I go!!!

Help? More info and explnation?

 

[NYMorningstar]

Here's a good link for that.
http://www.uoguelph.ca/~antoon/gadgets/741/741.html

 

[Ronan]

Here is the answer to your lunchbox question

http://www.apiaudio.com/5006b.html