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DYNALAB SDA 2.8... junk, decent or what?

bre's dad

I drank what?!?
Saw a set of Dynalab SDA 2.8's while trolling the local thrifts & pawns recently but have found no info on them. Saw another set on ebay. They've got a pair of 8" woofers & guessing about a 1" tweeter..

They look nice, but I'm guessing they're probably White Van specials.
 
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They are white van speakers!

That's about what I thought. The pawn shop they were in has them listed under $50, a set of Aiwa floor standers for about $60 and a pair of newer, cheaper made white cone Sansuis for $100. Given the company they're in, that spells it out.

If I could get them for $20, it might be fun to rip them apart and make something DIY that Frankenstein would be proud of... If they sounded *that* bad, well, I could get $20 of firewood out of them at least... :thmbsp:
 
Dynalab is a White Van brand name. It's a play on Dynamat, used for speakers in cars.

If you could get em cheap enough, why not see how bad they really are? I've only heard vague descriptions concerning their sound quality.
 
That looks like an unhappy kid in that picture.

I say, see if you can get the speakers really cheep and then make a public serves announcement showing what playing rap is like for your speakers by setting them on fire while they are playing the rap.
 
I'm rather curious as to how they'd sound (After checking the ohm value with an ohmmeter)

I have a pair of what I now believe to be White van woofers. I paid nothing for them. Found em in the garbage. Translucent plastic cones, cloth dust cap, no name on the back of the smallish magnet.

I have them in some real cabinets (the cabinets I found em in were literally falling apart), and they actually sound pretty good. The voice coils are small for a 12" speaker, so I don't crank them too loud. (they can handle maybe 50 watts at most)
 
These have been rotting, taking up otherwise valuable shelf space in the pawn shop for well over a month at $39.99. I walked in today with the idea of seeing how much he'd come off the price... They have been marked UP to $49.99. Guess he figures if no one buys them for $40 maybe they'll think about $50, thinking they're better than what they are... :wtf: I just walked out...
 
I think the name is a play on Dynaco Hafler which is a high end equipment maker.
https://en.wikipedia.org/wiki/Dynaco
I think people had problems with the Dynalab 2.8 speakers because the label says 200W max, but the tweeters are actually rated 10W
https://www.parts-express.com/DynaLab-V22-DR-0004-1-Mylar-Dome-Tweeter-299-4006
and the woofer specs are unknown to me.
Probably the tweeters get blown as owners crank up the volume to fill a large listening space and then the blown speakers take out people's amplifier as a result.
 
I say, buy them really cheap and post a you tube video of you smashing them up with an axe and setting fire to them.


I often do a hammer test to cabinets that I gutted and found that they couldn't even be repurposed, even as test cabs. I never thought of recording it.

I have taken my short handle 3lb mini sledge to a great number of cabinets out of curiosity and counted the number of swings it takes to level them into 6 pieces of wood. Then I can reuse them to make test cabs but I make sure to start on the correct path right away so I'm not going back to reinforce or stop rattles.

So far the worst was a CERWIN VEGA that was a 12" 3-way in the typical medium stout cab, drivers out, 1 swing with my arm inside the woofer hole aiming at the left side with a right hand swing. It went flat to the driveway and it was like scooping up a deck of cards. Not 1 screw or nail, backing blocks flew off and the 2 that remained popped off by just sliding the boards together.

2 swings for JCP MCS 10" 3-ways, I thought it would have been better?

Various others from Radio Shack and white van stuff held up pretty good other than my hammer going straight through the wood since they were chipboard and only ⅜" to ⅝" thick.

Panasonic floors dual 8" 3-ways proved to be indestructible and no sides could be loosened even a tiny bit. They would have been saw dust with all corners and seams still forming a frame. Of course I stopped trying after 3 big swings. They became a set of testers that I'm still using right now while I contemplate exactly how I want to design final cabs.

Some speaker makers start off on the right path but seem to think that a great cabinet (sturdy and quiet, built to be tank service ramps in a pinch) will make their drivers they sourced from some Chinese or in their case Malaysian no name company will magically sound great even though they lack any type of planning or testing prior to starting production. Using 2 different 8" drivers that run in series, somehow doesn't really need cabinets with 2" tops and bottoms and 1½" motorboards with drivers that resonate at 80Hz! Then they rate them at 200W-400W and the tweeters burn out in 30 seconds, funny how a single tiny cap lacks filter properties to protect a 30W rated driver from burning the voice coil lead wires like a fuse on a firecracker even at 100W.

Sorry for going off track as usual, l came to find out if these were real speakers since I like the size of the cabinets, I was considering using them for a project. Sellers asking $40 and I can't even get a sheet of wood that's big enough to make a cabinet this size let alone make it look like something without spending another $100 on glue, screws, paint and sandpaper + 3 weeks time to plan, fab and finish!

That's based on the sheet being Medite ((now priced at $55 a sheet, preBiden price was $35/sanded oak veneer 10 ply ¾" sheets went from $55 to $99 (Birch is even more) 4'x8' sheets)) chipboard is still $20 or so a sheet. Unless someone can confirm they are not chipboard then I'd be ready to go pick up. I think a gal is selling them so asking her to identify the wood type is probably not going to happen.

Double parentheses!
I'll look for more Panasonic towers.
 
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I think the name is a play on Dynaco Hafler which is a high end equipment maker.
https://en.wikipedia.org/wiki/Dynaco
I think people had problems with the Dynalab 2.8 speakers because the label says 200W max, but the tweeters are actually rated 10W
https://www.parts-express.com/DynaLab-V22-DR-0004-1-Mylar-Dome-Tweeter-299-4006
and the woofer specs are unknown to me.
Probably the tweeters get blown as owners crank up the volume to fill a large listening space and then the blown speakers take out people's amplifier as a result.

Found woofers:
https://diyaudiocart.com/DynaLab-V22-DR-0003-8"-Paper-Cone-Woofer-4-Ohm
 
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