What is an MK3 resistor

ericpeters · 15th February 2006, 12:39 PM

I need to make a modification to my Audio Reasearch LS2 to lower the gain.
ARC have send me a schematic and a parts list. I only need to swap 6 resistors but according ARC they need to be MK3 type resistors.
Does anyone know what these are and where to get them?

thanks,

Eric

massimo · 15th February 2006, 01:01 PM

Mk3s are 0.5W metal film resistors no longer manufactured by the German company Roederstein/Ero/Resista (now part of Vishay Group). Very famous years ago and used in many hi-end products, they are coated with navy blue laquer.
I think you can replace them with any good metal film resistor, but if you want them, take a look at www.percyaudio.com
Micahel Percy still has a good number of N.O.S. Resista.

ciao
massimo

15th February 2006, 12:39 PM	#1
ericpeters diyAudio Member Join Date: Apr 2004 Location: Deep South	What is an MK3 resistor I need to make a modification to my Audio Reasearch LS2 to lower the gain. ARC have send me a schematic and a parts list. I only need to swap 6 resistors but according ARC they need to be MK3 type resistors. Does anyone know what these are and where to get them? thanks, Eric

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15th February 2006, 01:01 PM	#2
massimo diyAudio Member Join Date: Dec 2002 Location: Milan, Italy	Mk3s are 0.5W metal film resistors no longer manufactured by the German company Roederstein/Ero/Resista (now part of Vishay Group). Very famous years ago and used in many hi-end products, they are coated with navy blue laquer. I think you can replace them with any good metal film resistor, but if you want them, take a look at www.percyaudio.com Micahel Percy still has a good number of N.O.S. Resista. ciao massimo

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