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Thread: 5.1 Amplifiers with Optical inputs

  1. #101
    Maximum Bitrate boelle's Avatar
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    well in Denmark our option are a bit limited, but everyone should be able to tell when you pau more for the brand than for the cable, it's just a matter of looking at the technical specs

  2. #102
    FLAC
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    Quote Originally Posted by boelle View Post
    well in Denmark our option are a bit limited, but everyone should be able to tell when you pau more for the brand than for the cable, it's just a matter of looking at the technical specs
    yeah i suppose that will give you a good idea. specs wont really tell you how durable a cable will be though... but that normally isnt an issue with any decent cable.

  3. #103
    Maximum Bitrate boelle's Avatar
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    at least the spec's dont lie as much as the fine words... at they give an reasonble basis to compare cables on

  4. #104
    MySQL Error soundman98's Avatar
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    Quote Originally Posted by boelle View Post
    at least the spec's dont lie as much as the fine words... at they give an reasonble basis to compare cables on

    they should in theory, but there are many companies that fudge the numbers to make the product look better, and then sell it for more...(monster?!?)

  5. #105
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    Noob Idea!

    It sounds to me that these 5.1 amps that must be controlled by remotes act a lot like actually surround sound receivers...

    Would it be so crazy...and I know how crazy this sounds...to hook up an actual surround sound receiver in your trunk?

    My surround sound receiver is about 3.5" tall and 14 inches deep...pretty low profile, and it's digital. A custom fitting in a trunk could easily be made.

    If people are already talking about writing codes for a infrared transmitter it would be easy to do the same for this setup, and control through a front end of a carputer.

    The subwoofer output is a pre-out, so you could connect a seperate sub for an amp, which could be more favorable for audio adjustments.

    Problems I can think of so far (for the record I am a noob at car audio)

    - Power regulation. Although this has been thought out for carpc's, so maybe this would be no problem? Maybe the receiver can be made to be kept powered on for a minute after the car shuts down, just enough time for a front end carpc program can transmit an IR signal to shut down the receiver...

    - Power of signal to speakers? This is where I am stumped...Maybe too much power for car speakers to handle...

    Anyways, I thought I would post this dream idea here as most of the amps listed on the first page are impossible to find...Also none are real known brands (the ones that don't require special head units) and Onkyo is well known for quality.

    Link to my receiver:

    http://www.onkyousa.com/model.cfm?m=...s=Receiver&p=s

  6. #106
    Variable Bitrate jschrauwen's Avatar
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    ^^^ Interesting ideas.
    http://gickr.com/results4/anim_5055e...a2b3b197c9.gif
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  7. #107
    Variable Bitrate jessekilner's Avatar
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    well I would do it but here's the bad parts.

    home recivers are 8 ohms and normal car speakers are 4! So this would tax the amplifier on the home audio and upon louder volume posssibly toasting it. But unlikly with small 6X9's and 5.25" so lets forget that..

    DC>AC>DC power +adding another power hungry car amp for the sub!..As soon as the subs bass kicks the inverter is gonna kick off from low juice which will now turn the home theatre off. That can be corrected with Cap's, better batteries but you see the price of those hightech batteries $180...WOW

    I have spare 5.1 Home theatre reciever with Toslink and inverter. So I will hook this up in the next few days and compare it to SB X-fi 5.1, I'll post my results

    Im bored so why not I suppose
    Did it.. Done it... now I got to keep the neighbors kids away!!

  8. #108
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    Let us know how you go. Sounds like an interesting plan Hope nothing gets toasted.

    Where would you mount that home theatre amp? Considering it's made for home usage only, you'd have to mount it such that it is subject to minimal shock and vibration. Hmmm ....

  9. #109
    Variable Bitrate jessekilner's Avatar
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    oh I wouldnt do this route for good, but It certainly would tell me if 5.1, or 7.1 is worth doing inside a car environment so I dont waste money on digital car amps and all if 4.1 sounds better in close coridors.
    Did it.. Done it... now I got to keep the neighbors kids away!!

  10. #110
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    Anyone looking to buy a brand new 5.1 digital amp?

    I bought the MRA-D550 from a company that was closing it's doors, without researching that it's not compatible with my pioneer head unit. I was wondering if anyone is interested in purchasing it. (It's brand new, with box and can get pictures if desired) Otherwise I will try to put it on ebay or purchase a compatible head unit, because I'd hate to see a good amp go to waste. Thanks.

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