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Author Topic: NBV4 static sound issue?  (Read 259 times)

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Offline SilentbutD3dly

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NBV4 static sound issue?
« on: February 04, 2018, 11:50:37 PM »
Hello all!

I just finished soldering and wiring my first saber, but there seems to be an issue with the sound. I originally wired it up with a 2w bass speaker from TCSS, but the sound was static-ey. I thought that I had broken the speaker due to some finagling I had to do in order to get it to fit in the speaker mount. I purchased a 2w premium speaker and wired that up, but I am still having the same issue. When the kill key is pulled, I hear the boot sound, but there is a high pitched whine that plays. The saber turns on and everything else seems to be working however.

Here is a video demonstrating the sound: Nano Biscotte V4 sound issue - YouTube

Does anyone know what could be causing this?
Thanks so much!
Currently working on my first saber build!

Offline erv

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Re: NBV4 static sound issue?
« Reply #1 on: February 05, 2018, 12:34:32 AM »
probably a fried amplifier (high voltage sent to the board via the recharge port, or reverse polarity)