Trying to understand the 34>56 78>12 FM structure switch

[tladbУчастник]

If 34>56 78>12 switch is  down I assume this does not change the block routings such as 12 being modulated by 34.

If 34>56 78>12 switch is UP the  56 block audio is modulated by the 34 audio and not the 12 audio but that the 12 modulation switch would still have to be UP for modulation to take place.. Similarly for 12.

Can this sentence be explained :
«pairs 12 and 78 themselves are still modulated as indicated by their controls»

Does this mean that 12 is still modulated by 34 and 78 modulated by 56? Why are blocks 34 and 56 neglected?

Am I explaining this properly?

[NormanFreundУчастник]

I just recently purchased a Soma Lyra8, only have had it for a few days. So I am pulling all the levers to listen what happens. From your explanation, yes. The «35>56 78>12» switch in UP couples «Banks 1 to 4 » to «Banks 5 to 8», whereas when the «35>56 78>12» switch in DOWN, only the four switches («34|LFO FB CV», «12|LFO FB CV», «78|LFO FB CV» and «56|LFO FB CV») control the FM modulation (now «Banks 1 to 4» are independently modulated from «Banks 5 to 8»).

 

Just by listening there appears to be some other coupling, I can’t quite place my finger on, I suspect some of that magic cross-talk in the circuit, Vlad is talking about.

I am happy to be corrected if I got this wrong.

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