Revisions to Are my amplifier's foot controller/foot switch inputs protected?

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I have a guitar amplifier with a 'clean' and 'lead' 'channel' that can be manually toggled. I'd like to switch between my different amplifier settings using a 'foot controller'.

I often see schematics from people who make their own foot controller using a 1/4 inch TS (or TRS) jack with switches between the tip/sleeve and ring/sleeve. These schematics do not have current limiting resistors in series with the switches(!).

My amplifier (Roland Cube 40GX) has no mention of supporting these kinds of 'DIY' foot controllers in its manual nor can I find a schematic. But from what I can gather, the officially supported FS-5U and the FS-6 are just a switch inside a fancy branded enclosure.

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

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occurred Jun 30, 2020 at 6:00

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edited Jun 29, 2020 at 16:20

Xunie

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edited Jun 29, 2020 at 15:39

Xunie

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I have a guitar amplifier with a 'clean' and 'lead' 'channel' that can be manually toggled. I'd like to switch between my different amplifier settings using a 'foot controller'.

I often see schematics from people who make their own foot controller using a 1/4 inch TS (or TRS) jack with switches between the tip/sleeve and ring/sleeve. These schematics do not have current limiting resistors in series with the switches(!).

My amplifier (Roland Cube 40GX) has no mention of supporting these kinds of 'DIY' foot controllers in its manual.

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

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asked Jun 29, 2020 at 13:25

Xunie

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Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

Is it safe to short the tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?

Is it safe to short the tip/sleeve, ring/sleeve, tip/ring, tip/ring/sleeve together of a 'foot switch' or 'foot controller' socket on the back of a guitar amp? Are these inputs protected against shorts with itself?