Output Impedence

karl · 3087

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Offline karl

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on: March 18, 2012, 12:12:06 PM
I would like to know the output impedence of the Quickie.

Regards,

Karl


Offline Dr. Toobz

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Reply #1 on: March 18, 2012, 12:35:00 PM
About 2000 ohms, if I recall (4k load resistor in paralell with the tube, which itself is probably 4k when wired as a triode). Sound and Vision magazine conducted a review of the unit and measured an output impedance of 1.88k, so 2k sounds about right.  (http://www.soundandvisionmag.com/article/review-bottlehead-quickie-tube-preamp?page=0,3)


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