HDMI surge protector and coaxial surge protectors.

Dr.Lakshay

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Hi all, just out of curiosity I Googled HDMI surge protectors and it turns out it is a thing. I have never seen anyone using it or talk of it so thought of creating a thread.
I also stumbled upon coaxial surge protectors which are to be used with the cable line before set-top box.
Would like to know if any one is using one of these or know about their effectiveness. Since we all have equipments (TV, avr, DVD players etc) worth lakhs of Rupees it is better be cautious than being sorry.
I am considering buying one. There are quite some reviews on Amazon.com but none on Amazon.in.
Posting some links for the same -

Hdmi surge protectors :
https://www.amazon.in/dp/B07BL2HQH4/ref=cm_sw_r_cp_apa_i_qpGfCbSBPGJJH
https://www.amazon.in/dp/B07C787NFJ/ref=cm_sw_r_cp_apa_i_7pGfCbWG6TR9T

Coaxial surge protectors :
https://www.amazon.in/dp/B01L5JN0UQ/ref=cm_sw_r_cp_apa_i_OrGfCbK4G9YCP
https://www.amazon.in/dp/B06XDX5PNN/ref=cm_sw_r_cp_apa_i_psGfCbCH6NQ2T
 
In the pro audio world, folks use aes ebu isolators to provide galvanic isolation between the source and the dac. Since pro audio is where sensibility is more, as compared to the maddening home hifi industry. I would hazard a guess that these kind of isolators might work. Especially if the set top box is fed via hdmi to the avr. There have been lots of blowouts, with surges coming through set top boxes.
 
In the pro audio world, folks use aes ebu isolators to provide galvanic isolation between the source and the dac. Since pro audio is where sensibility is more, as compared to the maddening home hifi industry. I would hazard a guess that these kind of isolators might work. Especially if the set top box is fed via hdmi to the avr. There have been lots of blowouts, with surges coming through set top boxes.
I think I am going to order both, one coaxial surge protector and one hdmi surge protectors. Have found all these stuff on Aliexpress for less than half the price on amazon. Amazon sellers are just reselling with a high markup.
 
I have got both these hdmi and coaxial surge protectors, but yet to fix them up. Once I am free I will connect them and keep you guys updated
 
Just to update,
I have added hdmi surge protector to the hdmi cable from set top box to avr and also a coaxial surge protector to the set top box cable.
I'm pretty sure it won't protect from something like a lightning strike but hopefully should protect from small esd. Gives me peace of mind that I'm taking some precautions.
Note : they don't degrade the av quality and are very cheap. So in the off chance of it working, adding one makes more sense to me than not having any protection at all.
 

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Last edited:
Just to update,
I have added hdmi surge protector to the hdmi cable from set top box to avr and also a coaxial surge protector to the set top box cable.
I'm pretty sure it won't protect from something like a lightning strike but hopefully should protect from small esd. Gives me peace of mind that I'm taking some precautions.
Note : they don't degrade the av quality and are very cheap. So in the off chance of it working, adding one makes more sense to me than not having any protection at all.

seems no harm in trying, if you don't mind can you pls send me the link of these items on aliexpress?
 
US $8.70 20%OFF | ALLOYSEED HDV-HP01 Mini Portable HDMI Surge Protector ESD Surge Protection Connector Plug For Digital Cameras

US $2.54 15%OFF | lighting protector coaxial satellite TV lightning protection devices satellite antenna lightning arrester 5-2150MHz Wholesale

These are the two that I ordered. Though there are many more sellers.
 
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