Bottlehead Forum

Bottlehead Kits => Legacy Kit Products => Quickie => Topic started by: karl on March 18, 2012, 12:12:06 PM

Title: Output Impedence
Post by: karl on March 18, 2012, 12:12:06 PM

I would like to know the output impedence of the Quickie.

Regards,

Karl

Title: Re: Output Impedence
Post by: Dr. Toobz 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)