DBX 510 Subharmonic Synthesizer - 500 Series

DBX 510 Subharmonic Synthesizer - 500 Series

Marsoni

M251S

$214.50

Get it in 3 business days with 1 day shipping. Friday, May 29

DBX 510 Subharmonic Synthesizer - 500 SeriesThe DBX 510 Subharmonic Synthesiser is a circuit for circuit rebuild of the 120A Subharmonic Synth. It has two subharmonic frequency bands, and LED metering on board too. The DBX 510 works by synthesising a waveform exactly one octave lower than the sound source it is receiving. The 510 will add warmth and punch to your low frequency sound sources, and the DBX 120A was used as much in rock and pop music as it was for electronic music and sound design.

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It's just OK. It does get the job done, but poorly made and I don't expect it to last long. Unlike other steam mops I've had, this one leaves the floor wet. Plus the pad does not pick up any stuck-on gunk that the steam loosened. I had to go back and pick up a few pieces by hand. Instructions say to let the water tank air dry before storing, but the attached lid makes it hard to let air into the tank. In retrospect I should have spent a few dollars more and gotten a better unit.

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Reviewed in the United States on April 22, 2026