※ Prices are kept low on Yahoo! Auctions. SOURCE AUDIO / SA243 Vertigo Tremolo This is the now discontinued, legendary SA243 Vertigo Tremolo. SOURCE AUDIO is a well-known brand used by super guitarists like Kyohei Ariga, and this unit is a rare effects pedal specializing in tremolo. There is no crackling or noise. It is in beautiful condition with no noticeable scratches, but please consider this item as used. Included: Dedicated adapter, etc. I am also listing other effects pedals. If you purchase multiple items, I will discount 1,000 yen (equivalent to the shipping cost) for each item. #Lipton_EffectsPedals [Product Description] The SA243 Vertigo Tremolo is a tremolo pedal equipped with three modes: Normal/Harmonic/Bias. The Shape knob allows you to seamlessly vary the tremolo waveform from a square wave to a sine wave, and then to a sawtooth wave, allowing for a variety of tremolo sounds. Electric Guitar Type...Electric Guitar