carsknivesbeer
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Tangband could you elaborate a little on adding the batting? Did you only put it into the top behind the tweeter and did you take the front off or go through the rear?
I think we have a forest and trees problem here. Danny likes to sell tube connectors, and I agree that would be a waste, and the lack thereof by itself doesn't disqualify the 530's from being a high end speaker. But compared to the other videos in this series, Danny isn't recommending any upgrades. He doesn't see any deficiencies that would be worth fixing. He doesn't even try to sell you a sheet of NoRez. So if you think this vid is a train wreck, I hate to think what his other vids would be called.You think tube connectors are reasonable???
They talk about them more than any other "upgrades" in the video and even insinuate it's not worth the cost of "upgrading" the speaker against its MSRP because of all the sets of tube connectors you would have to buy. LEL!
"upgrading": changing crossover components with higher cost parts of identical values which do not affect frequency response while simultaneously creating a video about measuring speakers frequency response with the intent to "upgrade" them.
Dennis, I feel like I've seen you post that you also don't believe in this nonsense. How is all this not a misguided train wreck again?
What is that? Are all of those resistors and little caps there to give you a choice of tweeter voicing? I've never seen anything quite like it. Don't let Danny see it--He'll offer a $1200 upgrade.
Boo hoo no Mungdorf or Clarity capacitors...
It's part of the HF and UHF trim controls for the JBL 4367. It has 6 settings for each HF/UHF. +-0.5, 1, 1.5dB.What is that? Are all of those resistors and little caps there to give you a choice of tweeter voicing? I've never seen anything quite like it. Don't let Danny see it--He'll offer a $1200 upgrade.
JBL knows how to design a crossover. I have never been worried about the lower quality pieces used in my crossover inside my speaker. If its of suffiecient quality and serves its purpose, then thats all that needs to be said and done. Anything more is akin to advertising having cardas cabling instead of copper wire. As for your special kef crossover @maty I would not compare the lower quality kef q100 crossover to the ones in JBL.
I vote "Yes." Not because DSP is cheaper necessarily (depends upon application, of course) but because in the end you can end up with a better speaker. If throwing a couple hundred dollars worth of "better parts" at a crossover (along with "improving its design") was all that was required to optimize things perfectly, I think we'd see quite a few passive loudspeakers with a frequency response that looks like the JBL M2's. But we don't--even when that's what the designer is aiming for. Some get somewhat close, but it's hard to find one that couldn't be improved with some DSP.It is more economical and practical to use DSP by software for final tuning of the frequency response, so we will spend less on the filter with good components.
I vote "Yes." Not because DSP is cheaper necessarily (depends upon application, of course) but because in the end you can end up with a better speaker. If throwing a couple hundred dollars worth of "better parts" at a crossover (along with "improving its design") was all that was required to optimize things perfectly, I think we'd see quite a few passive loudspeakers with a frequency response that looks like the JBL M2's. But we don't--even when that's what the designer is aiming for. Some get somewhat close, but it's hard to find one that couldn't be improved with some DSP.
About twice the amount of the original damping material. Donˋt block the port.How much sheep wool, please?
You can hear the difference for the better with more damping material. Jbl 305 mkII ( I have bought that speaker to ) also benefits from this easy upgrade.I added about 40g of synthetic quilt batting per speaker by going through the back where the speaker cable terminals are. That is probably a little bit less than what is there before (I had this amount already and I did not remove what was there to measure it. There is no material in the front middle between the woofer and the tweeter so I put some there and some in the top and behind the woofer. I measured before and after in REW and did not find any significant changes but the waterfall does not show any resonance at 1.4kHz. I forgot to generate a waterfall before I added batting, and I am new at this, but with very little effort/cost maybe it's mitigated? Its seems like a weird place to cut cost but so does the unfinished bottom...
I can't tell for sure from this pic because the ends of the core are obscured. If the pic were taken head on to the core and was high resolution, you should be able to make out the laminations. The actual material can be the natural silver color of steel, or it can be dark grey. I have faith that Harman wouldn't use a solid iron core. I've examined dozens of inexpensive speakers, including the super cheap AJ Pioneers, and they've all used steel laminates. The only exception to the rule is speakers like some Daytons that don't use any inductors at all. But if I'm wrong, bad on Harman. In any event, the other components are hardly low quality, and there are way more than usual in the tweeter circuit, which has air core inductors and film capacitors rather than NPE's. There are a couple of NPE's in the woofer circuit, but that's standard practice. If you used poly's, they would be prohibitively expensive, and suck up cabinet volume.
This week, Danny Richie talks about iron core inductors, at 9:21
I guess it's settled then. Amir needs to start sending all the speakers to you so you can detect all those things that can't be measured. We know they matter so much.there should also be no audible differences in HF with decent capacitors and resistors but I have verified that this is not the case.
Where does it say in "circuit theory" that no audible differences should be noticed from capacitors and resistors???According to Circuit Theory, there should also be no audible differences in HF with decent capacitors and resistors but I have verified that this is not the case. The explanations I have read do not end up convincing me.