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Old 24th April 2007, 12:31 PM   #1
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Default ortofon concorde cartridge.

hi,i have one problem.i have found a pick up which has ortofon 'concorde' cartridge and stylus but the stylus had broken.i'm going to buy a new stylus for this cartridge but first i want to know if the head is good.is there any way to test it without stylus?it looks good but i want to be sure before buy the stylus because it's quite expensive.



p.s. sorry for my English...
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Old 24th April 2007, 01:00 PM   #2
Did it Himself
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Check for continuity with ohm meter.
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Old 24th April 2007, 02:48 PM   #3
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i checked it for continuity,the 2 of 4 pins that 'touch' the stylus are going to ground but the other 2 don't give indication to ohm meter.it could be capacitors or any little passive circuit in the cartridge?




p.s. sorry for my English...
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Old 24th April 2007, 02:49 PM   #4
Did it Himself
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How many pins has it?
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Old 24th April 2007, 03:35 PM   #5
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4 like all cartridges.there are 4 back to connect with pickup arm and in the front there are again 4 but very small.i think that those 4 are touch the stylus.i was believe that the 4back and the 4in front may be connect one by one.but this is happen only with 2 of them(if i remeber)...
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Old 24th April 2007, 06:06 PM   #6
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I believe that there are two pins per channel (left and right). At the pre-amp end two of the pins are joined together to be ground.

So between two pins you should be able to measure say 200 ohms, and again between another two pins. Then all other ways will be open circuit.
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Old 25th April 2007, 02:38 PM   #7
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sorry.my previous post was wrong.
the back side of the cartridge has 4 pins.at two of them i measure about 650ohm and at the other two 650 ohm again.at the first 'pair' of two pins and the second 'pair' of two pins i have open circuit.a pin of the back side(the side who connect to pickup arm) is connect(0 ohm) to the metal 'sleeve' of the front side.
the for pins i had told you for the front side were connect to each other but not with that of the back side(maybe these are to hold the stylus).also these 'pins' from the front side doesn't connect to the metal 'sleeve' of the front side.

i'm looking by friends to find a good,same type of cartridge to meter that and see the results,but anyone has pick up with this cartridge type...
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Old 29th April 2007, 11:02 AM   #8
bulgin is offline bulgin  South Africa
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Default Ortofon Concorde...

Hi Antonis

OK So the cart has 4 pins (2/channel). I'm not sure if these are colour-coded but the left channel is always coded white and blue and the right channel, red and green.

Take your multimeter and set it on "continuity". Touch with the probes each pair (white and blue etc...) and you should hear your multimeter 'bleep'. If no sound, it's open circuit.

bulgin
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Old 29th April 2007, 05:21 PM   #9
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thank you,i know that,
but this is to check if the cables from the pick up arm to the output is ok.
i'm am looking if the cartridge is ok.the cartridge has no colors.no cables,only 4 pins.for that reason i'm not sure if it's ok,because i don't know what should i measure.if there is another cartridge i could have see if it was good,but this is very 'closed' and i can't see anything...
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