Another topping static shock failure - L30 II

[balor1eye]

Posting to alert members of my Topping L30 II failing due to static. I reached for the volume knob, felt static, heard a loud pop and smelled burning electronics. It dropped into failure mode with the flashing white light. The volume knob was extremely difficult to turn.

I opened the back panel and found that the grounding pin was loose in the case. I don't know if it was knocked loose in shipping 1.5 years ago or just now when the failure happened but it doesn't look burned.

I'm amazed this continues to be an issue when it was known and responded to on the previous model.

Topping L30 - Problems and their fixes...

English | Español Also available on YouTube in Spanish: Acho Reviews YouTube

english.achoreviews.com

Sequential damage

So sorry for your loss! :( I hope the company provides good customer service and compensates you for the collateral damage their product did to your headphones. Hopefully they will want to investigate what caused the problem so they can put the right safeguards in place to prevent this from...

www.audiosciencereview.com

 

[Jimbob54]

That's not good. At all. Hope the rest of your kit is ok.

 

[threni]

I'm amazed this continues to be an issue when it was known and responded to on the previous model.

Is it accurate to say something continues to be an issue when it's a different model and there's only one example of it occurring in the 2.5+ years since it was released?

 

[LGD_]

Posting to alert members of my Topping L30 II failing due to static. I reached for the volume knob, felt static, heard a loud pop and smelled burning electronics. It dropped into failure mode with the flashing white light. The volume knob was extremely difficult to turn.

I opened the back panel and found that the grounding pin was loose in the case. I don't know if it was knocked loose in shipping 1.5 years ago or just now when the failure happened but it doesn't look burned.

I'm amazed this continues to be an issue when it was known and responded to on the previous model.

Topping L30 - Problems and their fixes...

English | Español Also available on YouTube in Spanish: Acho Reviews YouTube

english.achoreviews.com

Sequential damage

So sorry for your loss! :( I hope the company provides good customer service and compensates you for the collateral damage their product did to your headphones. Hopefully they will want to investigate what caused the problem so they can put the right safeguards in place to prevent this from...

www.audiosciencereview.com

This is interesting....
I have an L 30 ll, recently acquired, and really loving it. Sounds fantastic with my Sennheiser HD650 (equalized).

But, thinking about it, realize that the L 30 ll is totally floating above ground - it's power is 2 wire AC from it's power pack which has no ground.
So the only possible way it could be grounded might be through the shield of the RCA input cables, connected to your DAC or whatever input device you're using.
And wether that device has a good ground - is something you probably can't count on - unless it has it's own AC power supply with a 3 wire (grounded) plug.

So I'm thinking it might be wise to connect an external ground to the case, to handle possible static zaps.
And I'll open it up, and check for that ground pin.

Thanks for the heads up.

 

[Speedskater]

Was the shock like touching a cat on a cold winter day. Or more like a buzz, that could be repeated if you touched the control lightly again?
There are momentary Static Electricity shocks and continuous AC Power shocks.

 

[balor1eye]

Was the shock like touching a cat on a cold winter day. Or more like a buzz, that could be repeated if you touched the control lightly again?
There are momentary Static Electricity shocks and continuous AC Power shocks.

It was definitely static. It was the instant sting and then gone.