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The Demeter TRM-1 Tremulator is a tremolo pedal which has been manufactured by Demeter Amplification since 1982. It was apparently designed at the request of guitarist Ry Cooder, who wanted a pedal that sounded exactly like a vintage Fender tremolo unit for use with any amp. ==Controls== The Tremulator has 2 knobs, which are, from left to right: *"Depth" ''(controls the amount of amplitude modulation on the signal or the amount of effect)'' *"Speed" ''(increases and decreases the frequency of the low-frequency oscillator)'' There is also a trim pot on the side to set the bias for the optical unit, and the unit comes preset at Ry Cooder's preferred settings. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Demeter TRM-1 Tremulator」の詳細全文を読む スポンサード リンク
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