bassist_lewis Posted July 22 Share Posted July 22 I have a Walrus Audio Canvas tuner on my board. Works perfectly well 90% of the time, except every now and again when I engage it to tune then disengage it, there is a high pitched tone when it unmutes. The noise goes away if I stamp/kick it (not the foot switch, literally stamp on the enclosure). Anyone with a background in electronics know what's going on? L Quote Link to comment Share on other sites More sharing options...
pantherairsoft Posted July 27 Share Posted July 27 My first question would be - how are you powering it? If it’s daisy chained, it might be worth trying it on an isolated power output for a bit to see if that behaviour continues. Quote Link to comment Share on other sites More sharing options...
bassist_lewis Posted July 27 Author Share Posted July 27 5 hours ago, pantherairsoft said: My first question would be - how are you powering it? If it’s daisy chained, it might be worth trying it on an isolated power output for a bit to see if that behaviour continues. I thought it was a power thing. I'm using the Gigrig power setup. The tuner is connected to a high power adapter (needs 300mA), which is connected to the Distributer. This is how Gigrig recommends you wire it up. Quote Link to comment Share on other sites More sharing options...
pantherairsoft Posted July 27 Share Posted July 27 4 minutes ago, bassist_lewis said: I thought it was a power thing. I'm using the Gigrig power setup. The tuner is connected to a high power adapter (needs 300mA), which is connected to the Distributer. This is how Gigrig recommends you wire it up. Have you tried it with another power supply (or even a battery if it has that option)? Any other power supply? I'm not saying it's the issue... but I stopped using a GigRig power setup after some odd behaviour. Ruling out power is step one... and you need to try alternatives to do that. Quote Link to comment Share on other sites More sharing options...
bassist_lewis Posted July 27 Author Share Posted July 27 7 hours ago, pantherairsoft said: Have you tried it with another power supply (or even a battery if it has that option)? Any other power supply? I'm not saying it's the issue... but I stopped using a GigRig power setup after some odd behaviour. Ruling out power is step one... and you need to try alternatives to do that. I have not tried it with a separate supply. I will try it, but its very unpredictable when it happens. I have also noticed I've wired some of the the pedals from the distributer (not isolated), so I'll rewire them to an isolater and see if that stops the sound. Cheers! 1 Quote Link to comment Share on other sites More sharing options...
Owen Posted July 29 Share Posted July 29 I would also be looking at power, but also looking at what it is hooked up to at the other end? DI into a PA system? All sorts of earth loop things to mess up there. Quote Link to comment Share on other sites More sharing options...
bassist_lewis Posted July 29 Author Share Posted July 29 52 minutes ago, Owen said: I would also be looking at power, but also looking at what it is hooked up to at the other end? DI into a PA system? All sorts of earth loop things to mess up there. That has happened before, but it also happens when I'm at home just plugged into my amp. I re-wired my board so every pedal has isolated power and no noise so far 🤞 1 Quote Link to comment Share on other sites More sharing options...
Owen Posted July 30 Share Posted July 30 15 hours ago, bassist_lewis said: That has happened before, but it also happens when I'm at home just plugged into my amp. I re-wired my board so every pedal has isolated power and no noise so far 🤞 Here's hoping 1 Quote Link to comment Share on other sites More sharing options...
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