SV: [sdiy] cloning the dr-110 - schematic question

[karl dalen]

--- Karl Ekdahl <elektrodwarf at yahoo.se> skrev:

> First off i'd like to ask if replacing the 2SC2603F
> with BC547, the 2SA1115F & 2SC945K with BC557 and
> 1SS133 with 1N4148 was a bad call? It seems to be
> working so far...

No bad, check for same beta/gain/hfe.
> 
> But, my main question is the (13) symbol at the snare
> part of the schematic (by r110), what is that supposed
> to be connected to?

To nothing, its a signal test point for your scope probe!

KD

 Anyone? The schematic can be found
> here: 
>
http://www.physicsenterprises.andrews.edu/diy_archive/schematics/drums/dr110/dr110.gif
> (as usual, beware of wrap)
> 
> thanks
> 
> Karl
>