THE HIHAT CASE
The LM-1 Hihat circuitry was pretty unique!
Contrary to the other voices, the hihat proms were read constantly in a loop, the closed or open
triggered hihat then fires a VCA envelope that will be applied differently on the output.
For closed hihat the circuitry had the ability to discharge the current through an additional way based
on the decay potentiometer setting. This basically makes the hihat sounding different on every hit
and kind of gives it a live feel. The LM-1 seems to be the only drum machine of that time to do this
clever trick that way, even the Linndrum doesn’t had it.
This discharge following a classic natural Decibel like curve…
Summary of Contents for LM-1
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