Sound Skulptor forums

Build help and troubleshooting => LA502 Optical Compressor => Topic started by: Pierre on January 30, 2022, 11:48:40 AM

Title: C5 or not c5
Post by: Pierre on January 30, 2022, 11:48:40 AM

I just quite finish my 502
Everything 's ok

But, i'm not sure i have to solder c5.
In the document "parts list" come in the box with my 502, on the lune c5 , it's writed "not connected"
But on the picture on the guide, the c5 is soldered
It's renovation 23

Should i solder it or not ?

Thanks

Title: Re: C5 or not c5
Post by: JPK on January 31, 2022, 07:57:21 AM

Yes solder C5.
It is an error in parts list.

Title: Re: C5 or not c5
Post by: Pierre on January 31, 2022, 09:13:55 PM

Ok! Thanks

Title: Re: C5 or not c5
Post by: UrbanOsterman on July 05, 2025, 01:25:42 PM

Hello
When I insert my LA502 into my Microphone-preamp-chain, I loose a bit of Bottom from my Sound.
Is there a way not to loose the lower frequency in the LA502? or is it part of the design?
Is this normal or did I make some error in my soldering?

Regards
Urban Osterman

Title: Re: C5 or not c5
Post by: JPK on July 07, 2025, 09:09:26 AM

This is not normal.
Are you driving it from a low impedance?
The attenuation at 20Hz should not be more than 0.3 dB.
Check the value of C1, C2, C3, C4.