Hi Bernie,
Since the pedal offered is a genuine Technics model, it should work correctly Good Price Too!!
Maybe the pedal you used previously, was not a Technics model??
I use a SZ-E2 pedal when I'm out doing gigs and find it invaluable, for quickly controlling the volume, as the need arises.

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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley