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  HP Pavilion dv6700 and Cambridge Audio 840c
I've searched for an answer to this but couldn't find anything.

I'm completely new to computer audio. I'm thinking about trying to connect my HP Pavilion dv6700 to my Cambridge Audio 840c through the digital input. The idea is to stream digital to the 840c dacs, then out through the amp.

Has anybody done this? I'm pretty sure that my computer has a means to do this. If I go into 'sounds' window, I see a "high definition digital device (spdif)" listed as working. From what I can tell, there is some kind of optical digital output in one of the headphone jacks. Do I just get a cable that has an rca jack on one end and a toslink on the other?

Any help would be appreciated here. I know nothing about all of this. I intend to just start by listening to Spotify through the sound system.
Michaelg7  (Threads | Answers | This Thread)

02-17-12
  Responses
02-17-12: Eleet
Michaelg7, If you have an expansion port 3 on your laptop (which I think you do), here's what you'll need: HP QuickDock 2.0. It's not the most streamlined solution, but it works and it's your only option. HP is no longer using the expansion port 3 on their laptops so this product is tough to find and may only be available used or refurbished. Back in 2006 HP made a cool multi-function cable (just a cable - no docking station at the other end) that connected to the expansion port of my ZD8000 and provided SPDIF out. I bought it for $29! Good luck.
Eleet  (Threads | Answers | This Thread)


02-18-12: Eleet
Maybe I should have added how the connections are made: The QuickDock will connect to your expansion port 3 and then you'll connect a digital coaxial cable from the SPIDF output on the QuickDock to the digital input on your 840C (nice player by the way).
Eleet  (Threads | Answers | This Thread)


02-18-12: Michaelg7
Eleet,

Thank you for your response. I'm so new to this that I don't even really know if I have an expansion port 3 on my laptop. How would I find out?

Since there is already a digital output audio device (s/pdif)shown as working on my laptop, and if I go to Properties it indicates that is in the front panel optical jack, can't I just connect with an optical cable and a toslink adapter on the 840c end? It seems to me that the digital stream would then flow to the 840c dacs. I even found in the properties of the digital output device that I can select the bitrate and frequency of the output, from 16/44 all the way to 24/96. To my untrained thinking, it seems I should be able to do this straight out of the computer without a QuickDock.

Again, I appreciate your help. I have looked all over the Web and HP support for information on this and can't find anything.

By the way, the 840c sounds beautiful. I'm running it with Vandersteen 2c3 Signatures and a basic NAD C372 integrated, but still the sound is great.

Michaelg7  (Threads | Answers | This Thread)


02-18-12: Eleet
I almost forgot another obvious option (I was thinking strictly in terms of HP options via your sound card), you can use a USB to SPDIF converter like the Musical Fidelity V-Link or the M2TECH hiFace. Sorry about this lapse in mental facilities.
Eleet  (Threads | Answers | This Thread)


02-18-12: Eleet
Michael, I think you're right! Now you have 3 options! If memory serves me right, HP output SPIDF via a headphone jack on a couple of their entertainment laptops a few years back. If your soundcard/properties gives this option, then it must be so. You'll need one of two adaptors: 3.5mm to toslink or 3.5mm mono to single RCA; or a 3.5mm to toslink cable. If you want a low cost solution, one of these is the way to go. If you want the highest quality sound and the most sturdy and reliable solution then a good quality USB to SPIDF converter is the way to go. FYI The expansion port should be on the left side of your laptop next to the monitor out (it's a wide multi-pin connector). It should also show up as an option in your soundcard.
Eleet  (Threads | Answers | This Thread)


02-19-12: Michaelg7
Eleet,

Thank you so much. You have been a tremendous help. It's amazing how hard it is to find out information on this laptop and its sound capabilities. Starting with the help on the computer itself to multiple searches on the Web (and hours of time) I could find hardly anything, even on the HP support site.

I will try to 3.5 cables you suggest first. If the sound quality is not satisfactory, then I will go to the USB to SPDIF route. According to my reading, asynchronous is the way to go!

Thanks again.

Michaelg7  (Threads | Answers | This Thread)


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