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DTS analogue-out issue

Posted by Langdell (A) on June 18, 2005 at 16:05:00

I'm hoping someone can shed some light on an issue with DTS that I have read about but am unclear on. I just recently acquired my first A/V receiver with DTS capability (Harman/Kardon AVR-225), but I have not tried any DTS DVD's yet, and a warning in my DVD player's owner's manual has me concerned. The manual warns that, when a DTS disc is played, "excessive noise" may come through the DVD player's analogue audio L/R outputs. It then mysteriously says I should "take proper precautions," but gives no clue what "proper precautions" would be. I have also read somewhere online that this issue with DTS can potentially damage equipment, but, again, it was all very mysterious and gave no clue how to avoid such damage.

My specific concern is this: When playing DVD's, I run the digital output through the AVR-225 to run the center and surround speakers, but I use my separate 2-channel system to drive the front L/R speakers. This set-up requires that I plug the DVD player's analogue L/R outputs into one of the line inputs on my 2-channel preamp since the preamp has no digital inputs and the AVR will not output an analogue line-level signal from a digital input.

Is there any danger that playing a DTS DVD with the analogue inputs connected to my preamp will damage my preamp (or any other equipment)? I'd be very grateful if anyone could shed some light on this issue.

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