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Thread: Paper 288 diaphragm?

  1. #11
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    Re: Paper 288 diaphragm?

    Based on auditioning a small variety of hemp cone drivers Vs the later pulp paper versions, I imagine the difference wouldn't be subtle in that it would be much better damped without the mass normally required to smooth out any 'rough edges' to its performance [sibilance in particular], so less HF roll-off as the bonus.

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    Re: Paper 288 diaphragm?

    O. K Phil, you started it. There's a guy here in Ohio with a patent on hemp speaker cones ( Hempopotamus Speakers. He's also on e-pay). Can we get enough interest in doing a mold and making our own paper diaphragms ? ( I want to smoke mine though). I have time and money. We can do carbon film 288's next.

  3. #13
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    Paper 288 diaphragm?


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    Re: Paper 288 diaphragm?

    Quote Originally Posted by LOUDER View Post
    O. K Phil, you started it. There's a guy here in Ohio with a patent on hemp speaker cones ( Hempopotamus Speakers. He's also on e-pay). Can we get enough interest in doing a mold and making our own paper diaphragms ? ( I want to smoke mine though). I have time and money. We can do carbon film 288's next.
    The guy is an incredible liar. And I'm sure Eminence doesn't pay him royalties for their hemp cones.

    I've seen his posts on the net claiming to have 755a cones from the original supplier. They have been out of business for decades.
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  4. #14
    Senior Hostboard Member LOUDER's Avatar
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    Re: Paper 288 diaphragm?

    O. K Phil, you started it. There's a guy here in Ohio with a patent on hemp speaker cones ( Hempopotamus Speakers. He's also on e-pay). Can we get enough interest in doing a mold and making our own paper diaphragms ? ( I want to smoke mine though). I have time and money. We can do carbon film 288's next.

    - - - Updated - - -

    O.G. you know more than me. He's closer to you than to me. But what makes a good salesman ? A compulsive liar ! All I'm saying is, can we get a all paper diaphragm ? maybe maybe not. And if not, how about a a carbon film diaphragm ?

  5. #15
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    Paper 288 diaphragm?


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    Re: Paper 288 diaphragm?

    Carbon fiber diaphragms look really interesting.
    Regarding the Hempopotamus guy, I just don't trust him. Too much BS.

    Someone could probably get voice coils from say, Precision Econowound.
    I suspect mounting rings could be 3D printed.
    Might be posslible.
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    Re: Paper 288 diaphragm?

    Hmm, 10-15-20? yrs ago there was a ne'er-do-well scamming DIYers with the promise of hemp cone drivers never delivered? not hemp? just can't remember now, but IIRC managed to escape any justice, so wondering if it's the same dude. Hemptone?:

    HempTone HT8FR-4 8" Raw Full Range Dual Cone Replacement Driver Speaker (NIB) | eBay

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  7. #17
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    Paper 288 diaphragm?


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    Re: Paper 288 diaphragm?

    Regarding the Hempopotamus guy- he's gone from claiming his cones were made in the same factory to now claiming he has "Original WE/AL 755 one piece molded cone assembly".

    He doesn't. Lies built on lies.

    Altec Lansing 755 Recone Kit Western Electric Kit CLOTH | Reverb
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