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Color-code of connectors on different cartridges.

Could anyone explain why cartridges have different positions of the color-code connectors on the back?
I own the following:
(I am presuming, tops being the positives and bottoms being the negatives.)

ZYX Airy 1000 (on TNT 5)
Looking from front of cartridge, it has:
Left: White (+), Blue (-); Right: Red (+), Green (-).

Benz Glider (M2) (new, not mounted)
Looking from front of cartridge, it has:
Left: Red (+), Green (-); Right: White (+), Blue (-).

Goldring Eroica (H) (on MMF-7)
Looking from front of cartridge, it has:
Left: White (+), Blue (-); Right: Green (+), Red (-).

The Goldring, in particular, I find strange with green on the right/top position! (Is this really correct?)

Are all cartridges mounted on the arms with the color scheme exhibited on the cartridge or are they mounted in a “set” color pattern, no matter what colors are on the cartridge itself?

Thank you for your consideration of a rather confusing situation.
vvrinc

Showing 1 response by rauliruegas

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rauliruegas
12,762 posts
 
Vvrinc: " Why cartridges have different positions of the color .....? ". Well, one of the answers is because those cartridges have different internal construction, other one is because some manufacturers want that the wires will be crossing between them for a better RFI rejection.
BTW, you have to connect the wires with the color of the pins in the cartridge. If there is no color ( like Koetsu cartridge ) then you have to know that if seen from the front of the headshell ( normal position like if the headshell is already mount on the tonearm ) the code is:

Up headshell wires: Left, white (+) and Right, red (+).
Down headshell wires:Left, blue (-) and Right,green (-).

Regards and enjoy the music.
Raul.

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