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Telefunken RB 46 speakers - question for anyone familiar with?

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In excellent condition, I just acquired these mid-century modern Telefunken RB 46 speakers.


I believe these speakers were matched to the Telefunken Opus Studio 5650 MX tube AM/FM radio. 

Can anyone please tell me what the impendence and power rating is for these beauties?  Thank you.


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Hi, since the speakers are equipped with Isophon components (surely the tweeters are HM10, probably also the oval woofers are Isophon), they usually have an impedance of 4 or 5 ohm and have medium / high efficiency, they probably bear a power between 12w and 20w .
These speakers will probably sound good and crisp in the mid / high range, but don't expect powerful bass.

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