Marantz KI difference?

Electron · 1st January 2005, 05:48 PM

Does anyone know how Marantz PM-80 and PM-80 KI differs?

RF · 8th January 2005, 11:14 AM

The KI got a copper plated chassis and toroidial transformer. Several capacitors are different as well.

jaycee · 8th January 2005, 01:46 PM

What difference does the copper plating make ?

RF · 8th January 2005, 03:29 PM

The copper plating should provide a better shielding and a maybe larger effect is the better/more stable ground potential.

Tube_Dude · 8th January 2005, 03:35 PM

Quote:

Originally posted by Electron
Does anyone know how Marantz PM-80 and PM-80 KI differs?

In price!

Electron · 10th January 2005, 08:30 AM

Sorry I was a bit inaccurate in my question.
I know the outfit difference, there is missing tone controls.

But I'd like to know how the schema differs?

The copper plate chassis may actually bring difference because the gnd of the loudspeaker erminals is connected to power amd input only via chassis.

RF · 16th January 2005, 11:32 AM

The basic circuit is the same but some part value were changed. Main elcos were custom made by ELNA other capacitors were exchanged by ones from other suppliers.

1st January 2005, 05:48 PM	#1
Electron diyAudio Member Join Date: Jun 2004 Location: -	Marantz KI difference? Does anyone know how Marantz PM-80 and PM-80 KI differs?

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8th January 2005, 11:14 AM	#2
RF diyAudio Member Join Date: Jul 2004 Location: Rheda Wiedenbrück	The KI got a copper plated chassis and toroidial transformer. Several capacitors are different as well.

8th January 2005, 01:46 PM	#3
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	What difference does the copper plating make ?

8th January 2005, 03:29 PM	#4
RF diyAudio Member Join Date: Jul 2004 Location: Rheda Wiedenbrück	The copper plating should provide a better shielding and a maybe larger effect is the better/more stable ground potential.

10th January 2005, 08:30 AM	#6
Electron diyAudio Member Join Date: Jun 2004 Location: -	Sorry I was a bit inaccurate in my question. I know the outfit difference, there is missing tone controls. But I'd like to know how the schema differs? The copper plate chassis may actually bring difference because the gnd of the loudspeaker erminals is connected to power amd input only via chassis.

16th January 2005, 11:32 AM	#7
RF diyAudio Member Join Date: Jul 2004 Location: Rheda Wiedenbrück	The basic circuit is the same but some part value were changed. Main elcos were custom made by ELNA other capacitors were exchanged by ones from other suppliers.

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