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Spider Iv 75- starts to get a warbley sound after a bit?


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So, using the Spider IV 75 watt amp in a live band situation. At higher volumes, my Van Hagar preset (mod w/ some chorus/delay/reverb) starts to get a warbley type sound... like just a modulation sounding issue, like if I was to turn on some heavy chorus with great depth and rate. If I turn to another preset and back it's fine for a bit then comes back. 

 

Anyone experience this? It's only after the amp has been on for a bit (20-30 mins) and playing at louder volumes, say 9:45/10 o' clock position, nothing pass half though.

 

Do you think it might just be a preset issue? Not sure if it does it with other presets. 

 

Thanks,

Russ

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Open a support ticket to get a return authorization process going,

so you can get it to your local authorized service center.

 

There is one of three or four things that it could be. Pretty straight forward,

but it needs to be dealt with from the inside of the amp by an authorized service

center in your area. 

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  • 2 weeks later...

Well, the warbley sound came back at last nights practice. So, I switch presets and back, it went away.. then in the middle of the ZZ Top 'La Grange' solo, where there are they high artificial harmonics going on.. the amp just turned off and then turned back on, with half lights & then off again.. then I smelled a strong burnt plastic smell and I unplugged it from the wall and a small stream of smoke came out the back :(

 

Still a RMA issue? w/90 per hr and parts... in 3 hrs, I could buy a new amp? 

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