Older Cabinets, How Long Can They Last ?

#81
vintagegroove said:
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This simply is 100% not the case. Sorry. I have dealt with car speakers and instrument speakers that have dropped just a tiny amount and rub the coil now. In fact, it's WAY more prevalent on stuff built after around early/mid 80s, and has more or less gotten worse with each year/era of built gear. I have vintage JBLs and Altecs (60's and 70's) and they still sound perfect. Meanwhile I have a yamaha passive sub sitting in my shop that a local highschool brought in for being blown... but it isn't, it's sagged. The sub is used by the marching bad, and spends it's days out in direct sun... and it's only about 4 or 5 years old. It's a made in the USA yamaha high end model. And I have seen it in stage monitors, and other gear that is under stress and stage lights for hours... same thing. And these are monitors that cost $500-1000 bucks... and it still happens. I have yet to see a car speaker that doesn't eventually do it. I have in one of my jeeps a JBL POWER SERIES made in USA 10" sub, and the dust cap just fell off... the glue didn't hold up. Mean while, all the dust caps on our vintage JBLs and ALtecs and such... still right there... not an issue. Again, I'm pretty sure it's EPA and Costs driven degrading of material quality/capacity.
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Pretty much everything you have posted is factually incorrect, and is a disservice to those here on the forum seeking a better understanding.

I base my comments on my design knowledge over many tens of thousands of drivers used in products I have been responsible for. I also went through the JBL service school in the late '70's and am a degreed electrical engineer who has studied transducer design in fairly deep detail.

You are IMO perpetuating old wife's tales and internet myths that are a disservice to the MI (and pro audio) industry.

Neo speakers are every bit as reliable (or even more so) than ceramic speakers. More so if you consider the mechanical damage due to rough handling. Wire materials and especially insulation systems are lightyears better than the "good 'old days as well, no comparison to the old materials. Remember that while I design with new materials, I am very familiar with the old materials/adhesives and would never consider using them at the power levels of today.

If you PREFER the TONE of that D/K/E series drivers that's one thing, but there have been tremendous strides made in transducer design and materials in the 50-60 years since they were introduced. For most players, the benefits of modern drivers is greatly beneficial.
 
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#84
Giffro said:
I have a MKIV Peavey Bass Head pumping into my Peavey 1820 Cabinet since new (circa 1990) and she still pumps heaps of air and sounds great. The cab is really heavy though..about 120 lbs, but built like a tank with marine ply and heavy gauge Tolex. That Tolex covering can cause skinned knuckles as ive done that many times. These cabs were meant to last and I have looked after it fairly well but it has been through a few occasions where it has been dropped from a few feet off the ground onto concrete..slid down a flight of carpeted stairs and bounced over blacktop car parks in the 30-ish years ive had it, yet having said all that still in very good condition.
The 18" is a Peavey Black Widow and they can have a tendency to have the filter foam on the speaker magnet break down when it gets old, then it can crumble and gum up the voice coil gap. So far mine has avoided this issue and the 2 10" Scorpions are in great shape and really punch out the mids/highs from my Peavey 5 string Dyna Bass. I am really happy with the rig and like I said its still going strong after all these years with no signs of speaker degradation.
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You forgot to mention bling. That"s a very nice looking rig.
 
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