I went to Null Audio's site to check out the IE8 cable, and saw 'sold out', or 'unavailable' (forget which), and thought 'damn, gone already'? So I emailed their sales to get the scoop as to when they'd be out again, and got this response:
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Hi,
The IE8 cable was supposed to be released this month. However, we are experiencing some technical and tuning difficulties on it.
The project has been postponed indefinitely.
Please watch out our website for updates.
Best Regards,
Kevin K. Wang
Null Audio Studio
#22-2-449
10 Nanyang Drive
Singapore 637720
Null Audio Studiosales@null-audio.net