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6/15/2025, 4:28:36 AM
https://gearspace.com/board/attachments/geekzone/394197d1397243235-drawmer-dl241-schematic-dl231-drawmer_dl241.pdf
it was a bit of a pain just trying to verify feed forward vs feedback topology but i think i figured it out. it's feedback? the output of VCA CIRCUIT feeds into LIMOUT and LIMOUT goes to the output stage. but before LIMOUT comes PEAK CIRCUIT which feeds into LIM_CV. LIM_CV then leads to VCACTRL on the previous page. and VCACTRL of course provides the feedback to the DBX 2151 VCA.
funnily enough, VCA compressors with feedback topology are considered a bit exotic. i think drawmer 1978 is also feedback but people don't outright say it so you have to decipher the block diagram. so i think drawmer 1978 could be a viable poorfag alternative to the API 2500 compressor. and there is less "redundancy" to worry about if you have for example feed forward VCA compressors with hard knee, with soft knee, then this drawmer with soft knee but it's feedback so you can justify keeping all these compressors in your rack because they all have a different character from each other.
it was a bit of a pain just trying to verify feed forward vs feedback topology but i think i figured it out. it's feedback? the output of VCA CIRCUIT feeds into LIMOUT and LIMOUT goes to the output stage. but before LIMOUT comes PEAK CIRCUIT which feeds into LIM_CV. LIM_CV then leads to VCACTRL on the previous page. and VCACTRL of course provides the feedback to the DBX 2151 VCA.
funnily enough, VCA compressors with feedback topology are considered a bit exotic. i think drawmer 1978 is also feedback but people don't outright say it so you have to decipher the block diagram. so i think drawmer 1978 could be a viable poorfag alternative to the API 2500 compressor. and there is less "redundancy" to worry about if you have for example feed forward VCA compressors with hard knee, with soft knee, then this drawmer with soft knee but it's feedback so you can justify keeping all these compressors in your rack because they all have a different character from each other.
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