Best additive synth rack

[Jac459]

Do any of these additive synths allow you to create new waves by entering specific frequencies for individual partials? or do the partials have to be ratio's of the root frequency?

I know for sure zero can very easily...

[ekss]

Do any of these additive synths allow you to create new waves by entering specific frequencies for individual partials? or do the partials have to be ratio's of the root frequency?

HexaTone allows for free frequency adjustments for each sine generator:

https://www.reasonstudios.com/shop/rack ... generator/

[Loque]

This is a wild full customizable 32 band additive monster:
https://www.reasonstudios.com/shop/rack ... scillator/



Spectra also has a quite good control, especially through the harmonic envelopes
https://www.reasonstudios.com/shop/rack ... nthesizer/




If you do not need that much control, maybe some simpler generators like Pulsar, Thor, Movement and so on come in quite handy.