Results 31 to 40 of 50
-
2021-12-27, 05:46 #31
- Join Date
- Apr 2011
- Posts
- 65
-
2021-12-27, 07:29 #32
Hi,
There's a couple of close to fit replacement drivers been used by the community... Faital Pro and Dayton Audio, some more reading for you here:
https://forums.slimdevices.com/showt...ment-Available
and another thread here... posts #88, #95, #102 #114 to get you started - no doubt plenty more in that thread.
https://forums.slimdevices.com/showt...e-Fixing-Booms
Also don't rule out putting on new surrounds (re-foaming) yourself if you are reasonably "handy", I've just done a pair and it's not too bad, take your time, Joe's blog procedure is pretty good and easy to follow.
Good luck
Kev
-
2021-12-27, 19:17 #33
- Join Date
- Feb 2013
- Posts
- 35
Is Boom speaker deterioration inevitable ?
Where did you purchase the new foam surrounds? Model number please?
Thanks,
David
On Mon, Dec 27, 2021, 09:30 KeBul <KeBul.adblbz (AT) no-mx (DOT) forums.slimdevices.com>
wrote:
>
> Hi,
>
> There's a couple of close to fit replacement drivers been used by the
> community... Faital Pro and Dayton Audio, some more reading for you
> here:
>
>
> https://forums.slimdevices.com/showt...ment-Available
>
> and another thread here... posts #88, #95, #102 #114 to get you started
> - no doubt plenty more in that thread.
>
> https://forums.slimdevices.com/showt...e-Fixing-Booms
>
> Also don't rule out putting on new surrounds (re-foaming) yourself if
> you are reasonably "handy", I've just done a pair and it's not too bad,
> take your time, Joe's blog procedure is pretty good and easy to follow.
>
> Good luck
>
> Kev
>
>
> ------------------------------------------------------------------------
> KeBul's Profile: http://forums.slimdevices.com/member.php?userid=32883
> View this thread: http://forums.slimdevices.com/showthread.php?t=107832
>
>
-
2021-12-27, 19:43 #34
- Join Date
- Apr 2011
- Posts
- 65
Having a real good look around and discovered these
I know they are yum-cha brand ..... but ..........
https://www.aliexpress.com/item/1005...1e8d763f3W9QPy
-
2021-12-27, 23:02 #35
- Join Date
- Apr 2011
- Posts
- 65
-
2021-12-28, 05:08 #36
PN me if your Boom / Classic / Transporter display has issues!
Blog: https://www.blogger.com/blogger.g?ri...50753#allposts
-
2021-12-28, 10:57 #37
Hmmm... good question, I bought them quite some time ago from speakerrepairshop.nl
Checking my emails it seems the ones I purchased (back in November 2015) were:
(***Note edits to add Foam surround link, and change advice on rubber surrounds***)
F3Ct3 Foam ring, 3 inch, for a unit with a cone size of 5,8 cm
https://speakerrepairshop.nl/en/foam...-4280-20000032
Also the rubber R3C1 have been tried, but Joe feels these are slightly too small and definitely more difficult to fit, thus recommending the foam surrounds above:
https://speakerrepairshop.nl/en/rubb...a-296-20000042
I also purchased their recommended glue.
As well as Joe's blog, I checked out this blog for replacement technique https://www.repiuk.nl/essays/. Scroll down to find the speaker repair section.
I preferred and used Joe's method of leaving the old surround stuck on the cone and just trimming it flush, also found that remaining ring of old surround on the cone a perfect area for applying the new glue and a guide for setting the new surround centrally.
I seem to remember Joe having problems with the glue drying... I tested it beforehand and found it worked better as a contact adhesive, apply sparingly to both surfaces and let dry (from white to clear) and then stick the two surfaces together.
I used the repiuk.nl blog tip of a straw cut to length to push the cone up whilst I set the inside of the new surround to the cone and then released the straw to drop the cone so the outside of the new surround could be stuck to the frame.
Finally I re-painted the metal frame to cover up any bare metal caused by scraping off the original glue and cover any excess glue on the frame and lightly dusted the excess glue areas on the cone with french chalk (or talcum powder) to remove any remaining tackiness and hopefully preventing dust sticking to it in the future.
Here's the two drivers with new surrounds glued in place prior to paint and chalk:
and a close up of one of them:
KevLast edited by KeBul; 2021-12-30 at 05:39.
-
2021-12-28, 15:19 #38
- Join Date
- Feb 2013
- Posts
- 35
Originally Posted by KeBul;1041554 I bought them quite some time ago from speakerrepairshop.nl
The ones I purchased (back in November 2015) were:
F3Ct3 Foam ring, 3 inch, for a unit with a cone size of 5,8 cm
But more recently the rubber R3C1 have been recommended:
[URL="https://speakerrepairshop.nl/en/rubber-surrounds/by-size/up-to-4-inch/rubber-ring-3-inch-for-a-unit-with-a-cone-size-of-5-5-cm/a-296-20000042"
Is there a kit for re-coning that will fit the original speakers with a rubber surround?
A re-cone kit (I'm avoiding the word "reconing" because it defies my spellcheck.) has a cone, the surround, the voice coil and the voice coil cap, so you can use the old frame and magnet of the original loudspeaker.
If there is one that fits, my trick from 50 years ago when I professionally reconed loudspeakers and drivers for horns was to take some masking tape and taping a suitable length of it to a index card (thin card stock) with the sticky side out, and pushing the card with the sticky tape on it inside the thin slot where the voice coil fit and use it to remove any dust in the slot and to make sure the voice coil would move freely when the new voice coil was used to replace the old voice coil.
With musicians I found many voice coil forms deformed by heat resulting in warping the coil and when it was reproducing sound the movable coil would stick and make distortion.
I wish someone would take the Logitech Boom line up and remanufacture it, it was really ahead of it's time.
Perhaps with the increase of man-made noise on the medium wave radio band people would really enjoy the BOOM's ability to receive a Medium Wave AM radio stream static free.
My BOOM has replaced my bedside AM/FM radio and with synch I have music that plays room-to-room.
I love my BOOM.
Best wishes,
David Ring
Green Harbor, MA
USA
=30=
-
2021-12-28, 17:13 #39
From reading the previously linked thread "Is Anyone Fixing Booms" it would seem the 3" drivers were a custom design for Logitech by GGEC. One forum member contacted GGEC to see if they would sell the drivers, but their last report back was "no" - this was back in 2011.
Searching online for 3" recone kits doesn't seem to yield any results and perhaps more telling is that the recone kits that are available seem to be for specific driver make/models... generally much larger than 3" and pretty expensive.
So I'd say there's no chance of getting recone kits for these speakers, it's down to the repairs or non-oem replacements with modifications that have already been discussed in threads on this forum and blogs.
I purchased my Boom in 2009 and suddenly noticed how bad it sounded a month ago, the surrounds had most likely been splitting for a while but I generally do not drive the unit hard volume wise so hadn't noticed any issue, anyway let's say 11 years to fail, my SB Radios which use the same drivers were purchased in 2012, it will be interesting to see if the drivers in those start to fail in the next few years.
I agree with your love for the Boom, but my love extends to the whole eco-system, I think it's the best thing I've ever purchased tech wise and certainly the longest lasting. I have friends now boasting that they can sync their music on Amazon Echos in each room... only took them 11 years to catch up with me
KevLast edited by KeBul; 2021-12-28 at 17:20.
-
2021-12-29, 02:52 #40
It's just my opinion but I think reconing the speakers is overkill when the only thing that breaks is actually the surrounds which are well-reachable and available for purchase. I don't see a need to replace anything else. The quality of the speakers and the parts contained is really very good, and the fact that the surrounds are breaking is just a consequence of the amplitude they have to suffer - bit of a tradeoff for the great sound being produced. No material can withstand that forever, it's actually amazing that they last for so long. All other parts in the woofers are not degrading if handled correctly.
Please keep in mind that when Slimdevices designed the Boom, they programmed the DSP to match the woofer characteristics exactly to get the best out of them, and any modification or picking different chassis might collide with that, ending in a sound much worse than before. The DSP programming is part of the firmware and cannot be modified to adjust for other speakers. New surrounds are not as critical as long as they are not too stiff and provide an air-tight seal. I would not mess with anything closer to the magnetic parts though.
PN me if your Boom / Classic / Transporter display has issues!
Blog: https://www.blogger.com/blogger.g?ri...50753#allposts