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Author Topic: The Bestest "Grado" Evar? Introducing the "Joe Magnum"  (Read 4267 times)

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ultrabike

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #10 on: December 21, 2013, 07:19:08 AM »
Awesome! Like!

If using the same modifications, do you guys think the V4 drivers could perform similarly with a classic (SR-60/80/...) enclosure (or something similar) vs the Joe Grado enclosure?
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stratocaster

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #11 on: December 21, 2013, 07:55:36 AM »
I think that could only be evaluated by further measurements of the same drivers in different enclosures. Could be that it's just a very nice driver iteration or a question of synergy with enclosure material and/or depth. Research by theLostMidrange on wood cup design and Magnum synergy seemed to indicate that the length of the shells and cup wall thickness had a noticeable effect.
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CEE TEE

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #12 on: December 21, 2013, 08:50:17 AM »
Nice!  I would like to hear those...hope that we get a chance during the Bay Area Meet.
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Marvey

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #13 on: December 22, 2013, 12:59:21 AM »
I'll send them up to you.
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funkmeister

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #14 on: December 22, 2013, 02:36:19 AM »
My first listen to the SR225i made me realize that the dollars:plankton ratio was in Grado's favor... as was the sack of cats with sharpened claws tossed down my ear canal.

So I've been hoping to one day see a Grado that didn't have the frisky feline issue but was still hyper-resolving.

It looks like we're getting pretty dang close.

Does anybody have a mathematical model worked up to help kill the 2kHz ringing that all the Grado cans exhibit? It doesn't "hurt" my ears but it's fatiguing... and a lot of folks complain 'bout it.
« Last Edit: December 24, 2013, 02:41:09 AM by funkmeister »
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Marvey

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Re: The Bestest "Grado" Evar? Introducing the "Joe Magnum"
« Reply #15 on: December 22, 2013, 03:12:36 AM »
let me run various tweaks and measurements on the 2k peak thing. need to make a run to michaels first. it's not bad at all with this version.
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