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Protecting speakers in home theatre application?

I have an Adcom preamp and amp (GFP-565, GFA-535 II) driving a set of B&W Nautilus 804s. I am considering using this with a new TV via a (yet to be purchased) DAC, but I am wondering whether driving the speakers with TV / movie audio with non-music, non-voice special effects audio audio risks damage to the speakers. This includes signal drop-outs / and static-bursts since the HDTV tuner will be over the air broadcast rather than cable.

I looked for prior discussions but did not find them. Any thoughts or pointers to other discussions?

One final comment- I care most about music, not TV and movies, which I just need to hear. I’m not trying to build a theatre. So, I’m hoping to get a rather cheap DAC and maybe a cheap line-level pre-amp with a remote volume control. These components could also be a worry. To be clear, the setup would be to take the digital TV signal via toslink to a DAC; take the line level from the DAC by RCA to the in-line volume control and from there to an AUX in of the Adcom preamp. For music, my CD player goes into another input of the Adcom pre-amp and is free of all this new nonsense...just CD, Adcom pre-amp, amp, and speakers.
efrank

Showing 2 responses by willland

willland's avatar
willland
846 posts
 
I can't speak directly about your B&W 804's but the Klipsch RF-63's I have been using since May 2008 have taken everything that I have thrown at them.  From very demanding 2-channel music to very complex and dynamic high resolution BD movie effects to TV/Netflix fed with toslink to DAC to preamp/processor.

I had an OTA HD antennae for a while with it's static bursts and dropouts and never experienced any ill effects.  If my RF-63's(msrp $2000.00) can take some abuse, I would think your 804's(msrp $7000.00) could also.

Are you more concerned with your tweeters, midrange drivers, or your bass drivers getting fried?

Bill
willland's avatar
willland
846 posts
 
" Willand- What DAC were you using?  (The 804s were about 3k rather than 7k back when I got them.)"

I am using a Cambridge Audio 840C player/Dac.  When streaming Pandora from my TV I let the 840C upsample to 384kHz/24-bit but with Netflix I let the Dolby Digital 5.1 signal pass through unaltered to my NAD pre/pro.

Bill


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