Roland_doublebeat 电路图 维修原理图.pdf

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1、+ + + + +9V +9V 0.1 820K 1K2 1uF 120K 1uF 1M 1K 0.1 330K 1M 47K 470 0.22 100K 150K 33K 0.01 68K 1K5 20K470K 470K 0.22 1K 0.01 10K 0.5 H 10uF 470K 22K 470K 22K 47pF 2K2 0.01 220K 150K 150K 250pF 0.0068 0.0068 10K 9V Batt INOUT 22K 10uF 2SC828 2SC1000 2SC1000 2SC1000 2SC1000 Fuzz Tone Select Fuzz Sect

2、ion Wah Section Roland Double Beat The Double Beat is another of those funky, funky Fuzz Wahs. The wah function is pretty standard, if a little quiet because of the resistive divider in front of the wah section cutting the signal down. The Fuzz secttion is pretty good, though. It has a good sound - no surprise as the first section is a lot like a Fuzz Face, but is followed up by yet another gain stage to distort even more. The three fuzz tone selections are RADICALLY different from each other. 收音机爱好者资料库 Ra d i o Fa n s .CN