Author Topic: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair  (Read 2562 times)

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Offline Fungus

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Re: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair
« Reply #25 on: April 15, 2018, 09:12:41 pm »
Hot glue?

(nb. I don't know how warm the board will get in use...)
 

Offline Decoman

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Re: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair
« Reply #26 on: April 16, 2018, 11:51:35 pm »
When someone puts a string of dots between words it means the person is unsure / in doubt.  :D

In academia, I believe that it is common to use the characters (...) to indicate an omission in a quoted sentence, such that the reader will know that things have been omitted in a quotation. The three dots is called an 'ellipsis' and is meant to obscure some other meaning, by omission.

https://en.wikipedia.org/wiki/Ellipsis

Unfortunately, a lot of people seem to think that using ellipsis in a sentence is ok, so as if to indicate sarcasm, by not explaining themselves when first expressing some opinion in a shortened or a poignant way, which I always find annoying as a reader, as I shouldn't have to guess at what their rationale is for any given point of theirs.

Then there are people that like using ellipsis as a pause of sorts. I personally like using .. (two dots) to create this sense of suspence, instead of going full ellipisis with an overwhelming three dots with no brackets (or whatever these are called around this sentence here).

Whenever I quote somebody but don't want to quote the entirely of a sentence, I always with no exception use the academic use of ellipsis, making sure to write (...) at the start, or at the end of a sentence I am quoting. I supposed you could use it right in the middle of a sentence as well.

I guess I am glad that I have the Yamaha HS80M studio speakers myself. :) Hopefully I will never get to have the same issue with mine as with the KRK's.
« Last Edit: April 16, 2018, 11:54:23 pm by Decoman »
 

Offline T.Balázs

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Re: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair
« Reply #27 on: April 20, 2018, 06:29:21 pm »
Thanks For the tweeter video Dave!
Actually, i was curious if others may have any chance of rescuing a tweeter after an amp failure like this.
It seems just hopeless as the aluminium coil formers are bent after hitting the bottom of the gap.
If it would be any respectable piece of gear it could be repaired I have seen much worse damages repaired on speakers wort the price and as someone mentioned in the youtube comments those professional drivers are designed to be repairable like the ones in big pa systems with bolted together magnet units and readily available voice coils, tweeter dome assemblies and so on.




 

Online Brumby

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Re: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair
« Reply #28 on: April 20, 2018, 07:08:58 pm »
I don't doubt that repair is possible - it's just at around $30 to buy a new one, you would have to ask yourself if the effort was really worth it.
 

Offline kevdotcom

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Re: EEVblog #1073 - MORE KRK Rokit Black Gunk Speaker Repair
« Reply #29 on: May 03, 2018, 05:05:10 pm »
My Rokit 8's had the static noise problem, so I opened them up yesterday to finally do the repair.

I could only get the small 1000uF capacitors at my local electronics store because the big 4700uF ones were out of stock, so I only replaced those and the 2.2k resistor.
(the one in my right speaker measured with 600 Ohms and the shell was all broken)

Put everything back together, plugged them in and voila! No more 100Hz static buzz.

You guys can't imagine how relieving this feels.
It was quite loud on the right speaker and now they only have the usual very silent hiss you can only notice if you stick your ear to it.

Big thanks to Dave for giving me the confidence to solder around in a speaker I wouldn't be able to replace right now if I broke it  ;D
 
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