Harmonic Energizer (Black Case w/Red & Yellow Graphics)

Effect Information

More information here and technical discussion found here.

is a guy who builds an excellent clone of this effect and provides an
explanation of its sound characteristics on his website. I have one of
his earlier versions and love playing it.

Archived past online sales data:

Effectsfreak legacy website (includes sales data 4/2008 - 4/2021)

Overdrive (Black Case)
Voltage Controlled Flanger – Model 4000A

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