Restoring a set of Advent Baby II Speakers with new Foam Surrounds
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- Опубликовано: 25 июл 2024
- In this video I talk through the process of refoaming the woofers on a pair of Advent Baby II speakers. Because these are 6.5" woofers there is no need to remove the center dust cap and place shims between the magnet and voice coil to center the cone. The spider near the base of the cone will be able to stay centered. These speakers came out in the late 1980's and are still worth around $150 a pair. They aren't going to pump out a ton of bass tho so a subwoofer would be well paired with them. This is because of their frequency response of 60hz-20khz.
I am planning to do a crossover upgrade to them in the future and will link the video here and in the pinned comment when I do make it.
I've also made a video showing how to fix dents in the wood on these here:
You will need:
-Clear drying glue. Most products from Aleene's are great. You can also use any slow curing rubber adhesive.
-Replacement foam rings
-Tweezers (Helpful but not necessary)
-Razor knife
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My name is Matt. I live in Washington State and create content around vintage stereos and other audio equipment. I approach the hobby from the standpoint of appreciating the aesthetic as well as having a system that is enjoyable to listen to my favorite music on. I'm not generally spending time worrying about having the right cables or how good the speakers sound beyond a certain point. So long as the music sounds good enough to dance to, I'm happy. If you have a receiver that you would like serviced, drop a comment and we could talk about service costs.
IG and Tik Tok are @TheDealyDeal
This video deserves more views. Great, concise tutorial from someone who knows what they're doing. Thanks!
Thanks so much for watching! I'm stoked that the video was helpful for you and I really appreciate you stopping in and leaving a comment!
Great Video - i had just completed re-foaming my pair of advent baby ii today before I saw this. Coincidentally I had used exactly the same technique as you. No shims, finger working, making sure the cone movement is free continually. My choice of glue was LePage wood glue multi-purpose white glue. I have used it successfully before on other re-foams. It goes on white, but dries to a translucent finish that shows the black of the cone and the foam, and becomes invisible. I went with cheap foam from an aliexpress store. Once I had glued the foam to the cone and it had set and cured, I used a tiny pair of nail scissors to clip a little screw sized piece of the edge of the foam where the screw holes to avoid any possibility of the screw catching and twisting the foam. Probably overkill. The other think I did that you do not include is to replace the capacitors in the crossovers. It was as simple as undoing the 4 screws in the speaker connection, the crossover is on a 2" board behind. It. comes out with the connection in one piece. I got two 3uf NP 250v capacitors from aliexpress for a couple of bucks each. They make a difference, as the existing capacitors are likely to be 30+ years old and far from 100% performance. There is one capacitor only in each crossover.
Thanks for watching! I made a video replacing the crossover components as well! It made a small difference on my pair, nothing crazy. I ended up passing them along to someone who had been wanting a pair. Thanks for sharing your tips about refoaming these! I appreciate it. -Matt
Dude -- I've been looking for a shirt just like that. Where from??
Thanks! Just did this to some Baby IIs I got a while back at a garage sale. They sound nice and were 100% worth rescuing.
You're most welcome! That's a great garage sale find! I totally agree, lovely little speakers.
If I don't have shims, I run a frequency threw the speaker, while 'Im glueing them up to center it ...
That's a great idea! Both ways work so long as you run the frequency quietly enough that it doesn't move the driver much. Thanks for sharing the info and watching!
where did you purchase your new surrounds (foam rings) ?
eBay! I think I got them from Simply Speakers. Thanks for watching!
Shims for making sure the woofers don't move around too much? How bout so they don't scrape?
I see that as the same thing but I definitely could have been more clear. On a small woofer like this, the spider does a fine job of centering the woofer as long as you apply the new foam how I show in the video. I would use shims on any woofer bigger than 10". Thanks for watching!
@@MattDealy Thanks for posting and sharing