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LifeAspect t1_ja4xbw1 wrote

seems these were made in the early 70s and sold until like 74, vintage Japanese headphones (I mean obviously considering Pioneer)

Reproduction frequency band 20-20,000HzAllowable input 500MW

I can find 2 versions of the headphone, the one you have and the limited edition one. If I look online on Japanese websites

8 ohm headphones it seems

Otherwise, can't find much more myself

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dumbestsmartest t1_ja6h7gv wrote

500MW!? I assume you mean 500mW? Otherwise OP gonna need a nuclear powered Amp to drive those.

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LifeAspect t1_ja6ihcz wrote

I just copy pasted from a Japanese listing 😂😅🙃

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Pauoolk t1_ja7la8p wrote

The nuclear powered Amp killed me x)

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Reasonable-Promise38 t1_ja8vhtf wrote

he would though, a lot of (coal) power plants make around 500MW

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Pauoolk t1_ja9vwrd wrote

Ah yes yes I know ! It’s the solid truth if his statement that is funny haha

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mopbuvket t1_ja7g180 wrote

Doc brown's headphones for that big speaker Marty blows?

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flyhull t1_ja5s525 wrote

KOSS had similar, this was closed back for studio monitoring or not bothering your roommate back then. Not junk, just old technology. Was high end but the end did not go that high back then. But leather pad on top, serious ear pads, metal frame, definitely an attempt was made

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