Author Topic: Recommendation on a good AC spike protector - courtesy escom  (Read 625 times)

Offline Nico V

Recommendation on a good AC spike protector - courtesy escom
« on: March 17, 2021, 06:28:41 PM »
Gents

What in-line AC spike protector would you recommend from your personal experience?

I know there's a thread elsewhere about voltage fluctuations etc. Suffice to say that I started a similar thread a year or two ago - same topic with my home's voltages fluctuating from 190volts to 315volts in less than 4 minutes - psu eliminator. Lost microwaves and so much other stuff.

So that lead me to leave everything in the house unplugged. Except for the fridge and security.

So, a lot of waffle to get to my point (ek vra djammer!):
Like most power amps mine sounds best when at consistently warm operating temperature. This means I have to leave it plugged in and switched on. Else it takes up to 30 minutes to reach proper operating temp. And i have 2 hours a month to enjoy the system. In the current load shed scenario I can't leave it plugged in - the escom-induced risk is too high. I can't lose a R165k unit thanks to a reckless SOE. 
So, looking for a proper spike protector. Most are too slow. The red Ellies unit is an option.
What though, would you recommend?
Would really appreciate your views.
Thx!
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Offline capetownwatches

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #1 on: March 17, 2021, 07:05:10 PM »
Have a look at the Furman units for sale on the Commercial Members section.

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Online royj

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Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #2 on: March 17, 2021, 07:35:48 PM »
 I’ve been using the Clearline unit. 7 years ago , I had a major claim due to a major power surge. Most electrical appliances had to be replaced , except the hifi. The Assessor mentioned that he still has to see a claim where the components is plugged into the Clearline unit. He also mentioned that the Clearline is designed by South Africans for South Africa.

I have since upgraded to a newer model.
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Offline sajunky

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #3 on: March 17, 2021, 09:30:31 PM »
Power conditioner do not protect from out of spec long-term fluctuations. You need online pure sinewave UPS with a large battery for a critical equipment. Get one with the plug for a solar charger, it wiil return a portion of the investment over the time.
If it measures good and sounds bad—it's bad. If it measures bad and sounds good, you've measured the wrong thing.
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Offline Nico V

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #4 on: March 18, 2021, 04:21:57 PM »
I’ve been using the Clearline unit. 7 years ago , I had a major claim due to a major power surge. Most electrical appliances had to be replaced , except the hifi. The Assessor mentioned that he still has to see a claim where the components is plugged into the Clearline unit. He also mentioned that the Clearline is designed by South Africans for South Africa.

I have since upgraded to a newer model.

At the risk of sounding lazy (which I'm not - just busy as heck!), where can I purchase these?

Thx
Nico
It's not about the bike. Or so he said.

Offline dieOrg

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #5 on: March 18, 2021, 04:57:18 PM »
At the risk of sounding lazy (which I'm not - just busy as heck!), where can I purchase these?

Thx
Nico
Takealot

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Offline Zilch

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Offline sajunky

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #7 on: March 18, 2021, 07:09:36 PM »
https://www.takealot.com/clearline-loadshedding-appliance-tripconnect-lightning-surge-protector/PLID38529135

I think I'll also get one for my system.
Better install 40kA protectors at DB. A reason is that when one of such device is triggering, a ground level is raising and is damaging other devices on the same power line. You will have explanation: "oh, my PC survived, it was protected, but laser printer failed as it wasn't protected". This is not true. Your printer would probably survive if your PC were not protected.
If it measures good and sounds bad—it's bad. If it measures bad and sounds good, you've measured the wrong thing.
/ Daniel R. von Recklinghausen, Chief Engineer, H.H. Scott/

Offline Audioholic

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #8 on: March 19, 2021, 07:08:25 AM »
https://www.takealot.com/clearline-loadshedding-appliance-tripconnect-lightning-surge-protector/PLID38529135

I think I'll also get one for my system.
Thank you, this looks practical for me. Been trying to find s simple non audiophile solution

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Offline Nico V

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #9 on: March 19, 2021, 11:53:01 AM »
Thanks Chaps

You've been very helpful.
It's not about the bike. Or so he said.

Offline ronman

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #10 on: April 07, 2021, 05:39:09 PM »
@ royj

I also have a Clearline feeding the AV. I am using the transformer based 12-00627. Its getting "old" now, but when the lights change colour (electrical dips) the AV hasn't skipped a beat. What did you upgrade to?

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Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #11 on: April 07, 2021, 08:12:18 PM »
Hi,

The unit is the,

Clearline Compact Theatre Line Filter & Surge Protection Unit (12-00615)
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Offline Morgan Irwin

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #12 on: April 08, 2021, 11:04:00 AM »
If you are interested in a Furman AC-210 I have a couple of available, could also arrange a new unit for you up in Pretoria.
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Offline Francois

Re: Recommendation on a good AC spike protector - courtesy escom
« Reply #13 on: April 08, 2021, 12:42:27 PM »
Its VERY simple, all "line contditioners" have this:


Common-line rejection coil/transformer - For line noise, in combo with resistor/cap a Low pass filer
4 CAPS, no bigger than 10nF else you fff-up the sine wave shape and ? Cause lots of lovely harmonics that will make the amp transformer swear at you by humming, fighting you
Some MOV (Metal Oxide Varistors) - For the spikes


Here is one MORE complicated than MOST commercial ones you can buy.


I STRESS, dont try bigger values, you will affect the sinewave.


For MORe protection:


Add


DC Blocker
Tranzorb (High energy spikes less than 1ms)
- MOV does the middle "catching" up to 2kA 10-100ms
Gas arrestor (for massive 10-50kA spikes but slow > 100ms)
And fuse as the Gas arrester needs to reset.




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