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#20450 - 09/20/03 06:10 PM Re: Yamaha 1400 not working right; taking back
twopecker Offline
local

Registered: 07/20/03
Posts: 290
Loc: Nebraska
Sorry to go off topic, but do you have a picture of the white sub?

Curiosity has me

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#20451 - 09/20/03 06:39 PM Re: Yamaha 1400 not working right; taking back
curtis Offline
connoisseur

Registered: 05/28/03
Posts: 1501
Loc: Manhattan Beach, CA
Some guys are lazy! LOL




Edited by curtis (09/20/03 06:40 PM)

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#20452 - 09/20/03 07:32 PM Re: Yamaha 1400 not working right; taking back
twopecker Offline
local

Registered: 07/20/03
Posts: 290
Loc: Nebraska
I was hoping some pictures of it that were taken by you, at your house.

Manufacturer's pics are nice, but only tell 1/10 of the story in my opinion. Kinda like an airbrushed model.

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#20453 - 09/20/03 07:42 PM Re: Yamaha 1400 not working right; taking back
curtis Offline
connoisseur

Registered: 05/28/03
Posts: 1501
Loc: Manhattan Beach, CA
oh...well I don't own one. Very happy with my VTF-3.

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#20454 - 09/20/03 09:42 PM Re: Yamaha 1400 not working right; taking back
mwc Offline
aficionado

Registered: 07/21/02
Posts: 958
Loc: Texas(DFW)..that country to th...
erikb333,

I picked up a 2400 today and have been playing around with the set up. I did notice that the sub test tones did sound quite low and I was a bit concerened. But when I played a movie (Evolution), OMG, the sub (HSU VTF-3) came through like a champ.

I'm still learning about how to set it up (manual is weak) but so far I'm very impressed. I've never heard my system sound so good! So far, I'm thinking that the YPAO just might be the real deal .

Does your sub still sound weak when you play a movie?
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#20455 - 09/23/03 09:35 PM Re: Yamaha 1400 not working right; taking back
erikb333 Offline
frequent flier

Registered: 09/01/03
Posts: 19
After my test tonight I'm almost convinced I've got a preout problem. I got my M22's and 150 in today. I hooked the M22's up to my Adcom 200 wpc and calibrated an SPL of 75 db at 0 on the volume. I then hooked the M22's up to the internal amp on the Yamaha and again checked SPL with the volume at 0. This time I got a value 0f 78 db. Yes the sound quality wasn't there, but it was noticibly louder. So tell me how going from a 200 watt Adcom to a 110 watt Yamaha receiver amp do you get an increase in volume by 3 db? It ain't right. I just had to do this last test and I think my mind's made up. I don't know if I'll have the courage to try another Yamaha, though. I will admit that the YPAO is really sweet. It brought out details the same way a good amp does. As far as getting good bass for movies, yeah I do, but with the SVS gain at half and the level at +4 in my 12 x 16 x 7 room. Another thing I don't like about the Yamaha is not being able to have different levels for different inputs. DVD's need the lowest setting, followed by CD's a little higher and then TV settings need to be even higher (with respect to the sub.) At least the rears can be adjusted through the soundfields. Anyone know of a way to measure the voltage on the preouts?

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#20456 - 09/23/03 09:50 PM Re: Yamaha 1400 not working right; taking back
sushi Offline
connoisseur

Registered: 02/09/03
Posts: 1490
Loc: Dallas, TX
Nothing is wrong whatsoever with the Yamaha's amp putting out 3dB louder volume than the Adcom. The volume level is determined by the overall "gain" of the power amp sections of the Yamaha receiver versus the Adcom power amp -- in other words, what voltage of pre-out signal is required to get 1W output from the amp. This figure has nothing to do with the maximum power output available from an amp.

From your descriptions right above, I don't see anything is wrong with the Yamaha receiver.

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#20457 - 09/23/03 11:12 PM Re: Yamaha 1400 not working right; taking back
dajlc Offline
hobbyist

Registered: 04/22/03
Posts: 29
Loc: Australia
To put it simply, I think you've got yourself a yammy lemon of a dud! Putting myself in your shoes, I would have no hesitation to send it back pronto! No point twigging around, trying to fix a problem when you were not expecting one in the first place, especially after the sobbing departure of your hard earned cash. I know, I sound like a prick but that's my idea of a fair deal.
_________________________
dajlc

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#20458 - 09/23/03 11:27 PM Re: Yamaha 1400 not working right; taking back
erikb333 Offline
frequent flier

Registered: 09/01/03
Posts: 19
Sushi how can a 110 watt "receiver amp" at 0 put out 3db more volume than a 200 watt Adcom amp at 0? You're saying it's normal to get less volume from a 200 wpc quality amp connected to a receiver as a prepro than it is to use the internal amp rated at half the watts? Just tell me that's what you're saying.

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#20459 - 09/23/03 11:43 PM Re: Yamaha 1400 not working right; taking back
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10307
Erik, sushi explained it quite clearly. The "quality" or the maximum power capability of an amp has nothing to do with the volume level at a given setting of the pre-amp. The Yamaha amp section apparently has higher gain than the Adcom, but that doesn't mean that the Yamaha amp is better, it's just different. What about this is difficult to follow?
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