[sdiy] Multiples - passive vs. active?

[lanterma at ece.gatech.edu]

On Jan 17, 2011, at 8:45 PM, Ian Fritz wrote:

> At 05:23 PM 1/17/2011, John Mahoney wrote:
> 
>> I've been taught that a multiple should not be used as a passive mixer. (Some systems allow you to mix gate signals with a multiple, but that's about it.)
> 
> The main point of having standard 1k output resistors is so that you can combine the outputs directly.

I thought the main point of the 1K was to protect against accidental shorting of a signal pin against a grounded front panel?

Although I guess if you're really sure *all* your modules use a 1K output resistor, you could "mix" them directly as you say...

- Aaron