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What is the lifespan of different types of drivers. Any active sources/sellers of ribbon tweeters?

post #1 of 2
Thread Starter 

I'm enjoying building hybrid headphones, combining the best aspects from each.

I also get to see what angling the drivers dampening and all the other design

techniques do without hunting for a showroom, event or spending too much.

I was wondering though when it would be best to give up on a driver. How long

do they last? Is there an age limit to where it will start to fail or give lower

performance? Is there anyway to test a driver other than listening to it? Besides

inspecting for tears or damage to the driver material can its performance be

judged visually by how it moves with test tones?

 

From what I've read standard dynamic drivers might loose bass response

and overall sound quality after 10 years of use. This seems to be true of

my SennHD201 drivers that had high daily usage. The bass seems to have

dropped off, but they still have a nice warm sound. I have some paper drivers

in a Pioneer SE30A that I enjoy. I don't know what they should have really

sounded like new, but they do require lots of voltage now to sound nice.

What are the lifespan issues between the different driver materials?

 

Reading a bit on Electrostatic/Electrets there does seem to be an age

issue. Do the coils eventually loose their ability to warm/power up correctly

after normal use over a long period?

 

I'm generally doing a lot more low volume listening to save my hearing.

However I still worry about sending too much voltage to different drivers

when experimenting with different amps or speaker outputs. Which 

driver types should I avoid driving with too much power?

 

Finally, I've been really interested in playing with ribbon tweeters. I found

some basic ones on Ebay. All the local electronic parts stores near me 

don't seem to have any ribbon tweeters left in stock and they don't plan

on ordering them in the future. Are there any other places I can find

better ribbon tweeters? What is the lifespan of the drivers in the older

orthodynamic Yamaha and Fostex headphones?

 

edit, did a better search:

http://www.head-fi.org/t/266648/electrostatic-lifespan

http://www.head-fi.org/t/10580/a-headphones-lifespan#post_121932

http://www.head-fi.org/t/170613/lifespan-of-a-headphone

 

still wondering about orthodynamic longevity though


Edited by fe2cruz - 3/24/12 at 12:00pm
post #2 of 2

parts express have a good selection of ribbon tweeters

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