[AMRadio] B&W 5100, 5100b differences?

Donald Chester k4kyv at hotmail.com
Mon Mar 14 19:07:40 EST 2005

>A couplate is a circuit package consisting of resistors and capacitors on a 
>small circuit board that has been encapsulated.  It has up to 5 wires 
>coming out of it and is sort of brown in color.  The one in question is 
>about 1 inch by 1 1/4 inch square.  Some were made for pentodes, some for 
>triodes and others for other applications.

And they make the audio sound like crap.  That's the main reason the stock 
Globe King 500 audio is so restricted.  Better to use conventional descrete 
plate and grid resistors and coupling caps.  You can control the frequency 
response by the values of resistance and capacitance.  The best way to 
improve Globe King audio is to get rid of the couplettes.


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