Yamaha DSP-AX750SE first impressions

Discussion in 'AV Receivers & Amplifiers' started by JasonS, Jun 18, 2004.

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  1. JasonS

    JasonS
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    Amp arrived yesterday from QED-uk.com, replaces my Yamaha DSP-595AX..

    First impressions are:

    It's bigger than the 595, but the same weight.
    I like the on screen display.
    When using the microphone and auto setup, it keeps telling me that one of my Surround speakers is out of phase when it quite clearly isn't.

    I am a little disappointed as one of the main reasons I went for this one over the slightly cheaper RX-V650 was to use the Component video up-conversion to connect my laserdisc player and VCR to my plasma screen..
    - It works fine for the S-Video output of the laserdisc player, I get a nice crisp image via the component input of my plasma fed from the amp.
    - It works fine for the VCR when watching TV, but as soon as I put one of my daughter's old Disney videos in, the screen goes blank and tells me 'No Signal', I expect its because there aren't enough lines of resolution or the signal is so bad it is unable to convert it up to Component video..

    (It does mention in rather small print in the manual that the quality of the signal from a VCR may vary when up-converting to Component video.)

    I'm going to try better cables this evening and maybe cleaning the tape heads.

    Tonight I shall also set the Audio delay so peoples voices will again co-incide with thier lips moving HURRAH! 18 months of watching people talk before they speak will finally be over.
     
  2. fama

    fama
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    Any comments on the sound quality?Im waiting on an
    rx750 from germany.Are these thing easy to set up as this will be my first ht amp.
    Interestingly a review of the Yamaha RX-V2400 on audioholics
    showed similar incorrect "out of phase" warning on auto set up
     
  3. mathew

    mathew
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    considering one of these with kef kht 2005.2 mk2 speaker package, opinions on this combination?
     
  4. clancol

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    personaly i think that amp would be overkill for those kef speakers.
    Cant see the point in spending that much on a mid range av amp and partnering it with a sub sat system.

    some people may not like this comment but, most people buy sub say systems because they can't acomodate a larger set of speakers. and to partner them with a large av amp seems strange to me.

    sorry if it offendes, just my opinion.
     
  5. rozzar

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    we just received a dspax750 at work a week or so ago and it seems very impressive. just getting used to Yamaha's new 'digital zero' volume where it actually goes up to +20 instead of when it used to just go up to 0. Gives you a clearer idea of when distortion will start.

    Contrary to findings above, the microphone auto setup was very comprehensive and gave a very nicely balanced sound. Onscreen menu was also concise. We haven't tried upscaling pictures and all that, just plugged in a dvd and speakers (Mordaunt short 908/905/302/304/Yamaha YSTSW1500) and just went. Seemed less compressed and congested and much clearer than the old DSPAX640 which we used before (never got sent the 740 :( )

    I also like the pure direct function that bypasses the sub, all surround speakers bar the front ones and switches the display off. A nice touch although obviously doesn't suit sub/sat systems as you wouldn't have the sub working


    hths
     
  6. mathew

    mathew
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    If I did buy it with the KEF speaker set I'd go for 7.1, by augmenting my hi-fi. i.e. the pre-out of the Yamaha connected to my Roksan Kandy which is partnered with Dynaudio Audience 42's.
     
  7. vorbis

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    Ive just got mine (GBP365 from richer sounds (price match with PRC less a tenner) Ive got it partnered with a set of Kef eggs and it sounds superb, not overkill at all. The kefs sound best with a decent amp
     
  8. windfall

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    Krish AV

    £299!

    Tone
     
  9. Radiohead

    Radiohead
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    I don't agree with that at all - since when was buying a £500 amp overkill for £850 speakers?
     
  10. mathew

    mathew
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    can't see it on the krish av website?
     
  11. windfall

    windfall
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    Hi

    Its in this months HCC (the one with the latest DVD players test).

    Cheers

    Tone
     
  12. Radiohead

    Radiohead
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    For the brand new 750SE model?

    That's £200 off list for a £500 amp....
     
  13. windfall

    windfall
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    Its on Page 157 Sept Edition Of HCC

    there is in fact 2 prices

    1st says New RXV750 £299
    Then below a couple it says New RXV750 £359

    Which one is valid?
     
  14. Radiohead

    Radiohead
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    Even more confusing is that their ad model name suggests a receiver, whereas it's an amp - DSP-AX750SE
     
  15. Matt Horne

    Matt Horne
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    Got one as a loan whilst my onkyo in the shop.. not bad.. though if you manually setup the speakers via the testtones.. it does not seem to set the volume at reference level ?

    (I did not get the mic with it when I took it from my dealers..)

    I am running it with a full gallo setup...have not gienit a thrashing yet..

    Matt
     
  16. dazzer123

    dazzer123
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    I have the 650 purchased mainly for the audio delay but the amp sound's pretty good to which is good news, my only problem is when connecting to my plasma via component i get no on screen display although i do when via s video.
     
  17. Falp

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    I agree 100%... :rolleyes:
     
  18. Matt Horne

    Matt Horne
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    I partner a THX Onkyo amp with my Gallo sat/sub setup.. The better the amp the better the end result.. small speakers does not mean small performance :)

    BTW be very careful with the Yamaha if you manually set the speaker levels.. you have to manually set the volume up to reference level.. but once done and you drop out of the setup.. mine was set to Sky and I nearly blew my head off!

    Its a nice amp.. was playing hellboy on it last night.. good steering amongst the speakers..and very clear precise sound.. flexible crossover is great.. moved mine up to 100hz and it improved the sub output nicely. Only thing I do not like is the numerous sound settings/dsp's which I would never use.. and the remote is a bit too cluttered to be usable (esp as its a all in one style as well..) also its quite hard to actually see what format you are playing (standard surruound/extra surround/dsp 1-10 etc etc).

    Nicely built amp.. again quite a cluttered front panel.. and those horrible speaker bindings at the rear.. but it looks like you can punch out the ends to get banana plugs in. For the price this seems to be going for its a definite steal...

    Cheers

    Matt
     
  19. jasper_mccrea

    jasper_mccrea
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    I was listening to some Yes in pure direct stereo and PL2 this evening. Sounded pretty good to me. Didn't get too lost in the really complicated bits.

    Banana plugs can go in the back.

    At the price I paid - definitely a bargain.
     
  20. lankor

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    tried looking at QED UK, PRC direct, and Krisch but none of them seems to be selling the Yamaha 750?

    any godo price places i can try?

    how will you compare this to a denon 2805? Will the denon 2805 make a big improvement to movie qualities?

    many thanks
     
  21. lankor

    lankor
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    advice required:

    I have an AE Evo 3B 5.1 setup with this receiver.

    i hook up my DVD via optical cable to the receiver.

    however, when i play my DVD, it does not seems to be producing DTS.

    When i turn on input to Analogue, no sounds; to DTS, no sound; to Auto, yes, there is sound.)

    Next, i switch this to input-Auto and select the DTS settings,
    i click on until i reach ProLogic, Prologic II and eventually to DTS.

    But once i am on the DTS menu, it then switch to
    Neo 6: Cinema?
    Is this a correct DSP for 5.1 setup for a DVD?

    many thanks
     
  22. jasper_mccrea

    jasper_mccrea
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    I haven't tried a DTS soundtrack yet, but Yamahas are ususally pretty good at auto-detecting what you pass in. The Neo:6 thing is DTS's answer to pro-logic II, so that's working on a 2-channel input ie not correct.

    Try disconnecting the analogue outputs from the DVD player, just connect the optical, and see what the amp says then. I would try it at home, but I'm not there until tomorrow evening. If it's not resolved by then, I'll give it a go.
     
  23. lankor

    lankor
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    i am not sure whether is because i am using pre out front left and right to my stereo amplifier.


    at the moment, i am connecting the front left and right speakers to my cambridge azur 640A amplifer and using preout front left right to the cambridge amplifer.
    I have then connected the centre, rear left and right to the speaker ports of the AV receiver, the subwoofer to the av receiver directly as well.

    do you think this setup is unsuitable for 5.1 DTS?

    There are no analogue outputs from the DVD, i have another go at it today again :(

    many thanks
     
  24. jasper_mccrea

    jasper_mccrea
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    If it works for Dobly Digital, it should work for DTS - no reason not to. What's the DVD player? For some bizarre reason it may not be able to output the DTS signal. But I doubt that.
     
  25. lankor

    lankor
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    it is a sony dvd player, i will go test it out again this evening, thanks for yr great input!
    now at least i know i am not experiencing the correct thing and can now work towards it :)
     
  26. jasper_mccrea

    jasper_mccrea
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    I tried Gladiator DTS just now, and it auto-detected straightaway. DTS came up big, replaced by SUR. STANDARD after a few seconds, but the little DTS logo on the panel is lit. I'm using a coaxial cable from a Tosh 330.
     
  27. Matt Horne

    Matt Horne
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    Hmmm bit less impressd by the yamaha.. as when you up the volume to near ref levels -15 onwards I get a loud buzzing through my speakers (when nothing is playing)..

    Matt
     
  28. Radiohead

    Radiohead
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    Why would you have the volume that high when nothing is playing?
     
  29. Matt Horne

    Matt Horne
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    I am feeding my tag into it via the multi channel inputs as I have no power amp yet.. So I would fix the yamaha volume at ref before doing the speaker levels via the tag..

    Matt
     
  30. jasper_mccrea

    jasper_mccrea
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    I get a very low hiss from -10 up, just about audible from across the room at +15. I wouldn't be able to listen to anything at -10, so it's not a worry for me.
     

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