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[Blackfly1976]

Would anyone happen to know if writers made by + format backers such as Philips are capable of using modern 1-4x etc discs at less than 4x?

It seems to me that they write at 2.4x rather than 2x, and most media have a label warning about incompatability.  
The following website is where the label on my media says to go: http://www.dvdrw.com/productupgradeportal/highspeed.htm

The info here essentialy says to burn at 4x on a modern writer.
Still waiting for an answer from Philips technicians as to whether my 1640 writes at 2.4x or 2x when used below 4x.
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