That's looking very interesting.DrFrankencopter said:The Forssell Opto limiter: http://groupdiy.com/index.php?topic=16016.0
I don't think it's available as a PCB anymore, but it wouldn't be too difficult to lay one out. It will be harder to find a complete set of schematics. Here is the best place to start: http://groupdiy.com/index.php?action=dlattach;topic=16016.0;attach=12751
I learned a ton putting mine together.
Cheers
Kris
alexc said:JLM Audio has a nice and insanely small! opto compressor pcb - one needs to combine it with input/output amp pcbs to make a complete compressor - as it is just the sidechain and opto functionality.
You can find details on the JLM Audio web site.
But it surely does sound good - I think it is the most 'liquid' sounding of the vactrol type compressor/limiters I have built.
It integrated quite nicely with a neotek strip I racked and reworked - the neotek provided the input and output amp functions.
Not much by way of controls however - just a 'compression' pot and a 3-position ratio switch - but that may well be part of the reason it sounds so good on most things! Virtually always 'on' in my rack.
Cheers
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