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Design similiarities between sony and audiotechnica designs.

post #1 of 3
Thread Starter 
I'm wondering if Im the only one who notices this...


Example #1
Ex90 vs ATH-CKM50

Ex90:


ATH-CKM50


Both are hybrid pseudo-IEMs. same design sorta.
Sony has slightly larger drivers. same type of drivers though and the CKM50's appear pre-modded in that they don't have 3 big holes. only 1 small one which is what the EX90 clingfilm/wax mod does.

now I move onto example #2

Sony MDR-EX700 vs ATH-CK10

EX700:


ATH-CK10:


Is this unsual?
I know that they probably sound different.
I just think its interesting that they have almost identical unusual hybrid earphone designs.

Any thoughts?

I'm planning on buying the CK50s soon. so I'll try to do a comparison between a modded ex90, a stock ex90 and the CK50
post #2 of 3
For example 1, the similarity is shared among many dynamic IEM with large (>10mm) transducer, not just b/w Sony and AT, i.e. Panasonic RP-HJE300,
Philips SHE9800.

For example 2, I don't see any similarity b/w them. EX700 uses off-axial dynamic transducer and CX10 is dual balanced armatures.
post #3 of 3
Variance, you should wait a few weeks and buy the CKM-70's instead. More of the same level. CKM-50 was $50 imported before the transport costs drove prices up so it is really more a cheapie although pretty good.

No real similarity between the CK10 and 700.

I also think that the CKM-50 is more of a take on the Panasonic than the Sony's.
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