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 Yamaha AVR Discussion Thread

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jchong
post Jun 18 2009, 02:40 PM

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QUOTE(seonglee @ Jun 17 2009, 02:43 PM)
Budget ?? hmmm.. within RM 2 - 4k for the front & centre speakers only..

thank you..
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Try the PSB T55 (floorstanding front) and C40 (center). Together probably 3.5k.

Or Klipsch RF-52 (floorstanding front) and RC-52 (center). PM htkaki for the price, but I think would be within 4k.
jchong
post Jun 18 2009, 08:11 PM

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QUOTE(s6xs9x @ Jun 18 2009, 05:22 PM)
As for the Fronts, I would go with the RF62 instead. Well that's for me of cause.
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Saw in your sig you have the RF52. How come didn't get the RF62?
jchong
post Jun 18 2009, 11:08 PM

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QUOTE(s6xs9x @ Jun 18 2009, 09:54 PM)
It's always normal la .. once you get the thighs you wanna go deeper and find you if that's what you're missing.
I would probably get myself the 62, later on. (budget lorh, but if i had the 62 next upgrade would be a bomb, "man man lai")
*these 52 are pretty adequate already even for music listening, for it's price range I'd say it's worth every penny spent.

jchong, how's your ht room? manage to play around with room acoustics yet?
It's pretty awesome if you get it right. Part of an upgrade and tweaks.
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Hah, I understand what u mean. Buy something now, then soon after wishing for something better smile.gif

Haven't had much progress for my room acoustic treatment. I think it sounds ok as it is now, but then I've not heard a properly treated room so I don't have a frame of reference. This acoustics thing really pening... I wish there was some kind of Idiot's Guide to Acoustics I can learn from...
jchong
post Jun 18 2009, 11:15 PM

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QUOTE(Jenn77 @ Jun 18 2009, 10:37 PM)
Im getting Yammy RX-665 with PSB Image T45 + C60, issit a good combination, cuz Im goin for medium range setup due to budget constraint. For sub, I might get the much talk about velodyne. Kindly advice.
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PSBs are good value for money speakers. Have you gone to hear them? A&L has both Yammy and PSB so ask them to pair it together and demo. That's the best way to know if you like them.


Added on June 18, 2009, 11:19 pm
QUOTE(s6xs9x @ Jun 18 2009, 11:14 PM)
I've stayed away from this for all most half a year and barely on my AMP, up until recent .. I wonder who started me back up all itching and ended up pockets dry.

I think htkaki is working on his room treatment, haven't heard of his progress yet so far. he can turn Idiot's Guide to Acoustics into "basic handbook of HT and Poison for YOU! rclxms.gif "
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Yeah I wonder who too...? Probably the same guy who poisoned me with the BD60 and white snake... whistling.gif

This post has been edited by jchong: Jun 18 2009, 11:19 PM
jchong
post Jun 28 2009, 11:15 PM

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QUOTE(megatron007 @ Jun 28 2009, 10:14 PM)
btw hor

http://hometheatermag.com/receivers/yamaha...ver/index3.html

Yamaha RX-V3900 A/V Receiver:
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 69.2 watts
1% distortion at 81.5 watts

Seven channels driven continuously into 8-ohm loads:
0.1% distortion at 62.9 watts
1% distortion at 68.9 watts
sure or not?? yawn.gif yawn.gif yawn.gif
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What is so surprising about that? For most AVRs the power that is advertised (e.g. 130W, 140W, etc) is at 2 channels driven. The more channels you drive the lower the watts. That's why it's important to read reviews with measurements for at least 5 channels driven because for HT, people will use 5 channels minimum.

However, for the 3900 it seems to fall quite far short of the rated power (140W). At 5 channels @ 1% it is 58.2% of rated power (81.5/140).
Compare to Onkyo 806, at 5 channels @ 1% it is 94.9% of rated power (123.4/130).

This post has been edited by jchong: Jun 28 2009, 11:29 PM
jchong
post Jun 28 2009, 11:36 PM

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QUOTE(arremie @ Jun 28 2009, 11:23 PM)
that's why i tempted to try the 6003. the power doesn't dip much even all channel utilized. it stay close to the advertised power.
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In the review for the Marantz 5003, at 5 channels @ 1% it is 131% of rated power (118/90). Wow, so you get even more watts than specified! rclxms.gif

Same for the older 8002, at 5 channels @ 1% it is 107% of rated power (133.8/125).

This post has been edited by jchong: Jun 28 2009, 11:40 PM
jchong
post Jun 28 2009, 11:45 PM

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The reviews give the 1% measurement since that's about when clipping occurs. And generally people wanna know when it clips because that's seen to be the limit of amp power.


Added on June 28, 2009, 11:50 pm
QUOTE(megatron007 @ Jun 28 2009, 11:19 PM)
so u mean yamaha cheat ppl? sad.gif
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Dunno, but they do seem to fall quickly under load. Even the RX-V863 also same thing, at 5 channels @ 1% it is 46% of rated power (48.4/105).

This post has been edited by jchong: Jun 28 2009, 11:50 PM
jchong
post Jun 29 2009, 08:33 AM

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QUOTE(maskedchan @ Jun 29 2009, 08:26 AM)
how to check the power when using?
sorry for the noob question
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You have to read reviews which measure the power output. Like this one: http://www.soundandvisionmag.com/receivers...mics-page2.html

jchong
post Jun 29 2009, 11:36 AM

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Yeah, at least the RXV-1800 is closer to the rated power. At 5 channels it is 79.2% of rated power (103/130).

But still, I wonder why Yammy's power is quite below the rating. Looking at the tests for Denon, Marantz and Onkyo they are usually close to the rated power (or even higher!).

This post has been edited by jchong: Jun 29 2009, 11:41 AM
jchong
post Jun 29 2009, 02:24 PM

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QUOTE(piscesguy @ Jun 29 2009, 02:19 PM)
Well...my seating distance is about 15 feet..i have small room only la..
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15' seating distance means your room is quite big.
jchong
post Aug 13 2009, 02:26 PM

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QUOTE(g88 @ Aug 13 2009, 02:15 PM)
now still need 1080p upscaling ?? DVD player already 1080p supported ma...how big difgferent with DTS-HD/MA, True HD  ? Only work when u play bluray right ?
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1080p upscaling is for playing DVDs or other non-full HD material. If your DVD player can do upscaling then you don't need to rely on the AVR.

Yup, audio like DTS HD-MA or True HD applies to bluray. DVDs would not have this.
jchong
post Sep 19 2009, 11:04 AM

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QUOTE(ar188 @ Sep 15 2009, 12:27 AM)
we use sub when watching movies for the LFE track, not buy sub primarily to listen to music in a stereo system la.. so why talking about Hifi sound?   hmm.gif
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That's true.

But sometimes I feel that movie's LFE are synthesized sounds and it's up to the sound engineer to define it. In terms of natural bass, this is where hi-fi comes in like if you have recordings of the kodo drums or jazz tracks with nice double bass action or pipe organ music. In fact one of the good tracks to demo dynamic bass is a fireworks recording on the Danley website, see here: http://www.danleysoundlabs.com/technical%20downloads.html

With natural bass, you have a chance to compare the real thing to your system capabilities. Like if you've attended a live fireworks display you know how the explosions feel and sound like. Then play the Danley recording, if your system can give approximately the same experience then you know your system is really good! smile.gif

Another example mentioned by moomoos already is the lion dance drums. If there was a good recording of this it would be a good test of the subwoofer's speed and attack.


Added on September 19, 2009, 11:11 am
QUOTE(moomoos @ Sep 16 2009, 11:25 PM)
i did stress on Pure Direct mode but no one give a damn... haha as no one is interested  biggrin.gif

yammy amps deactivated the LFE on pure Direct whereas Denon has the option to turn on LFE on Pure Direct

that was what i have been debating for previously, as i am using satellites on Pure Direct mode ( NO BASS) haha
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For Pure Direct / Pure Audio, sometimes the AVR can use the LFE channel if you choose the 5.1 audio track (this will depend on your AVR brand). Like when I listen to Michael Buble BD, if I choose the 5.1 audio and use Pure Audio I will get some LFE (but the same as if I turn off Pure Audio).

This post has been edited by jchong: Sep 19 2009, 11:11 AM

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