[sdiy] banana vs. mini

[Tony Clark]

> Okay, so I'm just about to start my own modular, and my last (?) major 
> decision is whether to use banana jacks or 1/8". What kind of hassles will I 
> get into w/ the banana jacks? There's no ground, right? And I can't really 
> do any normalization -- ? Or can I?

    Yes you can!  I uploaded an image so that you can see how to do it.

   http://aupe.phys.andrews.edu/diy_archive/schematics/misc/index.html

   The only caveat is that in order for it to work without any 
bleedthrough you must make sure that there are _NO_ resistors on any 
module outputs.  Typically the only reason that output resistors are used 
are to prevent op-amp shorting on tip/ring systems.  But that doesn't 
happen on a banana jacked system, and most modern op-amps can handle 
continuous shorting anyway.
   If you do use an output resistor, make it fairly small, like 220 ohms, 
that way the attenuation from 100K to 220 makes the normalized input 
practically disappear.

   Cheers,

   Tony

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