F1A4 mods help

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Does anyone have the info that's been posted on the f1a4 mods I have some images that look like they are out of a guide by someone and I believe it was originally off here but I'm looking for more info like the timing location and resistor values as well as I believe I'm missing quite a bit of this guide as well. Thanks

1501410388_img_5616.jpg
 
Where abouts did you get that information on adding the gain control? Interested in doing this mod to my own
 
Some clowns from SA posted this crap years ago, after they bought a modified unit and copied the work.

For the most part the mods work, but aren't worth bothering with.
 
Hi fellow prospectors.
I have just added a blue ant pump zone to my F1A4 with 3mm jack and a digitech audio transmitter and receiver obviously set to (TX) transmit and I have to say two thumbs up.
I have trawled the PA site and have noticed that people have hard wired their headphones and I know that some of the posts are rather old but it was a very easy upgrade. Cheers Andrew
 
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