curiousashish
New Member
Yes, cut and taken out tweeter. Wires are far apart.
Do Old speakers means Bad speakers?
- Thread starter curiousashish
- Start date
Old speakers are well built and so, lasts long. Sound may deteriote because of stiff suspension surrounds etc. But they are really good. New budget speakers are fragile and more prone to complaints especially tweeters.
what are you talking about?
heliumflight
Well-Known Member
Speakers grace with age
rwnano
Well-Known Member
Anyone who has recapped their old speakers? your experiences?
I'm talking about speakers. From my experience, old speakers lasts a lot more than new ones.
Please do elaborate on your experience.
I purchased a Quad 11L bookshelf and later a Q acoustics 3020i. Both sounded absolutely nice with excellent imaging and soundstage. A few weeks later, a friend of mine brought his vintage Pioneer amp and connected to the Quads. Pioneer amps are known for its ear piercing treble, He raised the volume and suddenly the imaging moved to one side. The tweeter on the speaker on the right went kaput. Similarly my 3020i were kept idle for some time. While cleaning dust on the rubber beading, a small portion of the rubber came off.
My old Chario Syntar 200 and B&O speakers are still going strong. No issues.
ketansethi1987
Active Member
If you have cut the wires it is possible the resistance of the speakers have changed if the tweeters were connected in series. And yes this can damage the AVR. So do check the ohms with a multimeter. The tweeters can be repaired!
You seem to be going through a spate of bad luck unfortunately. I would wager it ultimately boils down to the manufacturer/make/model/QC. I also assume most B&O loudspeakers are built to a high standard, whether circa 1990 or 2020.
Amongst current generation models, the PSB Alpha series is the worst i've seen in a while whereas take something like the Mission QX-2 which is cheaper and larger than the PSB Alpha but are built like a tank - try the rap test on top of the speaker and it'll break your knuckles. Instead, I recommend a sledgehammer if you're insistent on inflicting damage. The same goes for my Definitive Technology D9s. Similarly, my Klipsch RP‑600Ms have been out on the patio for three years, through sunshine, wind or rain - yet they keep belting out tunes like absolute champs. On the other hand, a slight tap would be the end of the PSBs.
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Passive_audio_enthusiast
Well-Known Member
Thats the amp that clipped and sent DC to the tweeters. Woofers survive clipping, tweeters dont due to 2 reasons: - Firstly, the voice coil of the tweeter is thinner and can get burned or partially burned easily. Secondly the cap in series to the tweeter cannot block DC, but would let it pass to the tweeter and tweeters cannot handle full range signal or DC. In the place of your quad, you try the same with hi end speakers like a KEF blade or a Focal utopia - results will be more or less same
On the other hand the speakers from 90s say it, from any brand will have their caps drifted to different values than from factory(if they have electrolytic caps) possibly they are more of a ticking timebomb compared to new speakers. Again, rubber woofer surrounds stiffen up, foam surrounds get porous, ferrofluids in tweeters dry up etc when it comes to older speakers.
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Did not understand? Recapped the crossover as this term is used for capacitors. Do you mean reconed?
rwnano
Well-Known Member
Recapped their crossover in the speakers? How old
were they? What was the condition of the crossover when you did thisMy DIYs are over 15 years old and I haven't heard any degradation in the sound as yet, and I'm using various grades of Clarity caps.Recapped their crossover in the speakers? How old
No i am asking you? I have never recapped any crossover till date. Reconed couple of woofers and FR drivers though.Recapped their crossover in the speakers? How old
Passive_audio_enthusiast
Well-Known Member
I have recapped, some old speakers from 90s and these are my personal experiences.
1. Companies, who want their speakers to last long - they use MKP/MKT film capacitors throughout their circuits. They are more expensive in general
2. Companies who want to play safe uses MKP/MKT before fragile components like tweeters and use electrolytic caps for the rest of the filtering.
3. Even after 30-40 years a good quality MKP/MKT capacitor would retain its capacitence. Hence replacing them with new ones of the same value would not make any difference in sound.
4. Companies who want to cut cost uses electrolytics all through their circuit and if you pick up one of them, you need to change all of them to new electrolytics or MKP/MKT if you want them to last longer. On changing these, there will be a dramatic change in sound to the intended sound from the factory.
Very true, nothing like a good MKP capacitor and one can get very good budget ones to crazy expensive ones like Duelund.
This is a site I visited when I chose Clarity caps for my crossover. I did try Solen, Bennic, Jantzen, MKTA (Indian), and a few other brands but the Clarity sounded the best to me in my system.
You also need to replace any resistors and inductors with decent sand cast resistors and air core inductors to complete the overhaul.
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I've heard about the QX 2. How do they sound? Is it the one which has a peculiar tweeter, pointed in the centre. I've have seen such tweeters mounted on higher end speakers.
They’re pleasant sounding speakers. Think Warm pleasant presentation that preserves a hint of excitement, which i suppose is attributable to that ring dome tweeter - the pointy thing that you alluded to. Not punchy with its bass as such (at 80hz) but at the same time, provides substantial quantities of it while also digging very deep for a speaker of this size and price. To sum it up, not exactly an exciting speaker but one that is good across the board with no obvious weaknesses. Sounds particularly good with tube amps.
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