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Head compatibility

Posted: Tue Sep 04, 2018 6:10 pm
by gautam sood
Dear seniors I have seagate st31000333as drive, part number 9fz136-568,fw sd35, site code SU and product of China preamp ID is 72 21. Please any one tell or guide me which compatible heads are working on it. ImageImage

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Head compatibility

Posted: Wed Sep 05, 2018 12:57 pm
by Jared
Generally speaking, you need to match the model, the part number up until the hyphen, and the 2nd & 3rd digits of the serial number. Then go with the closest date code you can find (preferably within a couple months).

Then, once you have the donor, check if the preamp type is also "72" in terminal to confirm that it's the same (sometimes it isn't). The second byte "21" really doesn't matter, it's only the first byte that's important.

Head compatibility

Posted: Wed Sep 05, 2018 1:11 pm
by gautam sood
Jared wrote:Generally speaking, you need to match the model, the part number up until the hyphen, and the 2nd & 3rd digits of the serial number. Then go with the closest date code you can find (preferably within a couple months).

Then, once you have the donor, check if the preamp type is also "72" in terminal to confirm that it's the same (sometimes it isn't). The second byte "21" really doesn't matter, it's only the first byte that's important.
Thanks sir

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