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Onkyo Receiver vs. Preamp

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  • Onkyo Receiver vs. Preamp

    I just got this as a hand me down thing. Says it has 8 level indicators for learning to relax. Red is (I guess) wired down to green which is relaxed. Anyone familiar with it? Reminds me of the old wrap around the finger machine while the beeping slows down.

    If anyone had it, did it help with viewing? And anyone know how it corresponds to alpha, theta levels if it even goes that deep?
    Midwest Instiute St Louis Massage Schools
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