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Headphone amp BM4500 / BM7000 / BC9500

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js
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js Posted: Wed, Sep 4 2013 5:04 PM

I am trying to find the power output (in mW) and the impedance (in Ohms) of the headphone amp integrated in the three following vintage products: Beomaster 4500, Beomaster 7000 and Beocenter 9500.

Would anyone know? Many thanks in advance!

Peter
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Peter replied on Wed, Sep 4 2013 10:49 PM

The quoted outputs are volts into certain impedances :

4500 - 15V into 220Ohm

I can find the 5000 which is 10V into 470Ohms

9500 - 8V into 220Ohms

 

The BM4400 is quoted as 17V into 200Ohm.

Peter

js
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js replied on Thu, Sep 5 2013 8:45 AM

Thank you very much Peter.

Do you think these 3 audio masters have sufficient internal headphone amps, or would they benefit from the addition of an external headphone amp to drive somewhat inefficient headphones (or to drive a pair of H6, which tend to produce much better bass when amped)?

Many thanks again.

js
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js replied on Thu, Sep 5 2013 8:45 AM

Sorry, double post

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