roginator

WSW Automatic gain control Amp... Talkback mic preamp!!!...
« on: December 20, 2009, 07:16:53 PM »
whell I have couple of this listen compressors for WSW-Siemens consoles cca 1967..so far before ssl  ;D

I would like to see if there is idea to mod em to work as classic compressor limiters for drum bus or something



as far as I understand... if input signal is attenuated they compress  more!!! and I like that..
but how to play around with any other control like release or maybe ratio!!

any idea...

Brain is CV controlled device!!!!!! so we all are analog sequenced machines!!!! " ROBOTS "


roginator

Re: WSW Automatic gain control Amp... Talkback mic preamp!!!...
« Reply #1 on: December 20, 2009, 07:22:35 PM »
here is bad boy
Brain is CV controlled device!!!!!! so we all are analog sequenced machines!!!! " ROBOTS "

abbey road d enfer

Re: WSW Automatic gain control Amp... Talkback mic preamp!!!...
« Reply #2 on: December 21, 2009, 05:05:44 AM »
R30, R31 in conjunction with C8 govern the attack and release times, respectively, with C9 & R33 adding second-order smoothing.
Reducing R30 to shorten the attack time would be somewhat limited because of the resistance of the secondary of ├╝bertrager 3.
But I don't see any counter-indication in reducing C8 down to 10-4.7uF and replacing R30 and R31 with 47k and 470k pots the latter with a 47-100k padding resistor.
Who's right or wrong is irrelevant. What matters is what's right or wrong.
Star ground is for electricians.


 

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