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  1. #1

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    Join Date
    Oct 2008
    Descending toward the moon in the CLEM (Chinese Lunar Excursion Module), looking for Chang'e

    Default Yamahas go on a diet new RXV line?

    Hi Everyone,

    There seems to be a trend to downgrade power, weight, etc in newer entry to mid-level receivers?

    Look at the following comparison between the Yamaha RXV-663 and the 665.


    1Khz , 0.9percent, THD, 8ohms

    Dynamic Power (IHF)
    95/110/130/150 watts Front speakers 8/6/4/2 ohms

    weight 18.7lbs

    power consumption 270 watts only 30 or so more than the RXV-365??


    20hz-20Khz, .06 percent THD, 8ohms. 95 watts (notice the different set point for the wattage ratings)

    Dynamic Power (IHF)
    135/165/195/240 at 8/6/4/2 ohms Front L/R speakers

    weight 26.4lbs.

    power consumption 400 watts.

    Now tell me the audio sections of these two amps are equivalent? But the price is comparable?

    Of course there are some HDMI, etc.

    Cost cutting?

    Also there is no 865 yet but there is a 765 that is a bit more like the 663?

    Anyone noticing the same process for other manufacturers.

    Certainly the Onkyo 806 has lost a bit of audio that the 805 had. the 805 was pretty similar to the 875 internally except for video processing, the 806 and 876 are different.

    Just an observation for us mid-tier boys and girls.


  2. #2

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    Sep 2008


    I’ve always wished Yamaha would just make a pre-amp processor that was affordable. That way we wouldn’t have pay for amplification twice.:p

  3. #3

    Member Sales Rating: (7)

    Join Date
    Nov 2002
    Northern Virginia


    Yamaha completely revised their receiver line-up this time around. I thought maybe moving to digital amp sections would explain the weight change, but they didn't do that. The 665 is not the equivalent of the 663, the 765 is. The weight difference is because of the transformer. The 765 now has the 500 VA transformer that used to be in the 663. The 665 has a smaller 320 VA transformer.

    They did add two more HDMI inputs and removed the S-VHS inputs on the 665. In effect, it's a significant price increase just considering the amplifier section, but the product does have more content now.
    1. JM Labs Electra 920.1 and CC30; MB Quart Vera Sub; Pioneer SC-57; Squeezebox Touch; Panasonic BDT-500 Blu-Ray; Samsung 52" LCD; FIOS; PS Audio Power Plant Premier; MIT S3 cables
    2. Polk SDA-SRS 2.3TL; Sonic Frontiers Line 3 SE; Classe Model 25; Marantz SA8004; Acoustech PH1P; Squeezebox Touch; Music Hall MMF7; PS Audio P1000; MIT S2 cables
    3. Polk SDA 2A; Parasound Halo JC-2 and A21; Musical Fidelity X-DAC; Squeezebox Touch; PS Audio 4.7; MIT S1 cables

  4. #4

    Member Sales Rating: (1)

    Join Date
    Dec 2008


    P.S.- they finally decided to get away from the ugly orange...
    Pro-ject RM-9.1 w/ Grado Sonata 1 -> USP-1 -> RPA-1 -> Vienna Acoustics Mozart Grands

  5. #5

    Member Sales Rating: (1)

    Join Date
    Oct 2007
    NE PA


    Actually the orange looked a lot worse in the pictures than it does in real life.:p But everything else in my set up uses blue, so that would have been nice.

    Good thing I have the 663 it would be hard for me to decide if the extra $100 would be worth what you get for it. At least the 663 is still available, but I think it is a little deceptive marketing to make the 765 the upgraded 663 and have a 665 model that IMHO is a downgrade. I'm not one to push specs, but for an observant person like cnh it made it visible what they did.

    I think it's just a sign of the times and expect to see more of this (cheapening up of newer products but maintaining price, increasing profit margin). Right now I think everyone is in the survival mode.

  6. #6

    Member Sales Rating: (0)

    Join Date
    Mar 2008
    St. Louis


    Even i feel the same, think 663 is still worth better than the 665 or even 765,
    the price is quite steepier.
    If i can sell mine for a good price my next upgrade would be a Refurb or a new onk 706 (i would like to try) may be a risk, considering the failure rate which is reported by so many. My brother still owns a RXv 995 its one solid AVR which is still running after 6 years of service.

  7. #7

    Member Sales Rating: (0)

    Join Date
    Jul 2001
    No longer Castro Valley, California


    Looks like the RX-V465 and up models has HDMI processing for SACD. Awaiting confirmation from Yamaha despite reading the owner's manual.

  8. #8

    Member Sales Rating: (1)

    Join Date
    Apr 2005
    Drexel Hill, Pa.


    I've had yammi's for years. My parents bought me a 2 channel rig in81' and it lasted me 20years and the sound was excellent. I can't say the same for y new rx-v receiver. The sound quality is not what it used be. I'm just saving up for seperates.

    Samsung 50" HD DLP
    Yamaha RX-V2500
    (2) Outlaw 200
    Adcom GFA 555
    Sony BDP300
    Denon 2900 DVD
    Lsi9's mains
    Lsi7's rear
    Lsic center
    12.1 SVS driver in 4.53 cuft. tube
    Harmony 880

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