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Author Topic: 200ohm input impedance  (Read 8835 times)


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200ohm input impedance
« on: February 08, 2007, 08:35:19 PM »

Hi Oliver,

I have several tube and transitor preamps from DDR, and almost all of them have a input impedance of 200 ohms. I think this is suitable for 50 ohms microphones, but how to proper interfacing with modern mics that whant to see around 2K input impedances? Maybe just using a resistive balanced network (2Kohms-->50ohms)in front at the cost of some signal loss? other solutions?



Oliver Archut

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Re: 200ohm input impedance
« Reply #1 on: February 09, 2007, 04:21:01 PM »

Most of the GDR/DDR RFT audio devices you can change the impedane via an inside tap....
If they do not have a tap a tap is the easiest way, or a new input would be the best solution.

Best regards,
Oliver Archut

We are so advanced, that we can develop technology that can determine how much damage the earth has taken from the development of that technology.
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