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Panasonic XR55 7.1 Digital Receiver - Page 120

post #3571 of 3603
2/26/09 at 7:42pm
What is the lifespan for a XR55?
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post #3572 of 3603
5/6/09 at 7:23pm
PLEASE HELP ME!!!

I just recently got a Radio Shack SPL meter, and I was trying to balance my 5 speakers hooked up to my XR55. I've read the manual several times, and I'm doing everything according to how it says, but no matter what for some reason I can't seem to change the level on my front right and front left speaker. When I hit the "level" button on the remote, it allows me to change the level of the center channel speaker, the right surround speaker and the left surround speaker. It doesn't allow me to change the level of the right and left mains??

I don't understand what the heck is going on. When I hit the "test tone" button, it goes through all 5 speakers just fine. It starts with the Left main, then Center, then Right main, then Right surround, then Left surround. Then when I hit the level button, it only cycles through 3 speakers. Right surround, center and left surround. It never allows me to alter the level of the right and left mains.

THIS IS DRIVING ME ABSOLUTELY CRAZY!!!

anybody have any ideas?
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post #3573 of 3603
5/6/09 at 7:44pm
Quote:


I just recently got a Radio Shack SPL meter, and I was trying to balance my 5 speakers hooked up to my XR55. I've read the manual several times, and I'm doing everything according to how it says, but no matter what for some reason I can't seem to change the level on my front right and front left speaker. When I hit the "level" button on the remote, it allows me to change the level of the center channel speaker, the right surround speaker and the left surround speaker. It doesn't allow me to change the level of the right and left mains??

Sadly, these are not changeable. Panasonic states that this is because stereo speakers should be the same volume, which is somewhat true. Just change the other speakers in relation to the front two and you should be fine.
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post #3574 of 3603
5/6/09 at 8:17pm
You don't want to change the level of your Left/Right fronts. You want to level your other speakers to match them. If your Left/Right don't match each other, you use the balance control. Turn the vol up to where you're hitting 75 dB with the fronts, then get that level with your other speakers and sub.
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post #3575 of 3603
5/6/09 at 10:48pm
Quote:
Originally Posted by SteveSatch View Post

You don't want to change the level of your Left/Right fronts. You want to level your other speakers to match them. If your Left/Right don't match each other, you use the balance control. Turn the vol up to where you're hitting 75 dB with the fronts, then get that level with your other speakers and sub.

Ah... I see. I'm just glad that I wasn't going crazy there... lol. I thought for sure I was doing something wrong. The weird thing, is that I could have sworn that I had previously changed the levels of the front and left mains at one point. Are you guys absolutely sure you can't change the levels of the front and left mains? I could have sworn that a week or so ago I did, although I couldn't figure out how the heck I did it. I was hitting all kinds of buttons on the remote, and I thought for sure that I was changing the levels of the front left and right channel.

But if you guys are certain that all you can change is anything but the front left and rights, then I trust you on that. I'll make sure to see if I can get my front left and right mains to have identical output.

With the Radio Shack SPL, if I'm trying to get 75 db, don't I set it to 70 db, because the Radio Shack SPL is kinda off?
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post #3576 of 3603
6/2/09 at 5:23pm
Use the balance control to get the L and R speaker levels identical. Then use the level controls to get the other speakers (center and surrounds) to match. It makes sense if you think about it.
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post #3577 of 3603
6/8/09 at 12:38am
Hi,

I am using mine xr55 in stereo mode only. I would like to make Panasonic work permanently on stereo mode with 3 amps working together per channel, so 2 x 300watt instead of current situation when 2 amps are factory bridged giving 2 x 200watt-dual amp feature.

Anyone have idea how to achieve this?
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post #3578 of 3603
6/8/09 at 2:32am
The only way I can think is to have another receiver feed its pre-outs to the stereo inputs on the panny. Considering the panny would have to convert his to digital AGAIN, this seems not the best way. However, I do not know of a receiver which can output pcm through 3 digital cables. If such a receiver exists, that is your best bet.
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post #3579 of 3603
6/8/09 at 3:30am
Maybe I should have noted that I am using xr55 fed through analog CD inputs. So, if we look xr55 when working in bi-wiring settings, 6 channels are engaged in stereo mode. I am thinking is there any chance to made some kind of parallel connections on the both speaker terminals ( a + b ) to provide greater power on output.

Btw I have triamped stereo system with electronic xo. On the woofer section I have one xr55 working with 4 channels in stereo mode. on the mids, I have second panasonic xr55 working also with 4 channels in stereo mode. On the high section I have another stereo amp. As both Pannas works with only 4 out of 7 channels, I am looking is there any chance to include 2 channels more per unit in order to get more power.
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post #3580 of 3603
6/8/09 at 4:48am
Quote:
Originally Posted by Damich View Post

Maybe I should have noted that I am using xr55 fed through analog CD inputs. So, if we look xr55 when working in bi-wiring settings, 6 channels are engaged in stereo mode. I am thinking is there any chance to made some kind of parallel connections on the both speaker terminals ( a + b ) to provide greater power on output.

Btw I have triamped stereo system with electronic xo. On the woofer section I have one xr55 working with 4 channels in stereo mode. on the mids, I have second panasonic xr55 working also with 4 channels in stereo mode. On the high section I have another stereo amp. As both Pannas works with only 4 out of 7 channels, I am looking is there any chance to include 2 channels more per unit in order to get more power.

Why exactly do you need more power??? Sounds like all you are doing is making a mess of the XR55 receivers.
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post #3581 of 3603
6/8/09 at 5:34am
Ruadmaa,

Simply, mine speakers are very difficult to drive. The midrange ribbon panels sensitivity are about 79 to 80dB, resistance 1,1 ohm. So, more power would not be sufficient at all. The ribbon tweeters are 3,4 ohms and woofers in isobaric configuration also below 4 ohms.
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post #3582 of 3603
6/8/09 at 8:21am
You might want to look at a wholey different set up for yourself. perhaps, you might think of getting a stereo preamp and look into the ice digital amps from a company such as wyred for sound for instance. They have amps that are 500 watts at 8ohms and 1000 watts at 4ohms. Check out the prices and pics on audiogon.com and you can read some reviews here on this site.
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post #3583 of 3603
6/8/09 at 9:56am
Quote:
Originally Posted by Damich View Post

Ruadmaa,

Simply, mine speakers are very difficult to drive. The midrange ribbon panels sensitivity are about 79 to 80dB, resistance 1,1 ohm. So, more power would not be sufficient at all. The ribbon tweeters are 3,4 ohms and woofers in isobaric configuration also below 4 ohms.

If you need all that much power, I would recommend getting a commercial amplifier. Why you would be trying to drive difficult loads with an XR55 makes no sense at all. Take a look at Crown Amplifiers, they have more than enough power to drive any speakers on the planet.
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post #3584 of 3603
6/8/09 at 11:31am
Quick question if I may. I have some MP3 music on an old Xbox of mine. When I play it thru the XR55, it plays it as 5.1 . I'm trying to turn off the 5.1, and just hear 2 channel stereo for this music. For some reason I can't seem to get this to work no matter what I do. I can't find my manual right now, don't know where I misplaced it, but I've been trying all kinds of different controls on the remote and nothing is working.

Any ideas?
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post #3585 of 3603
6/8/09 at 11:41am
Quote:
Originally Posted by Anthony1 View Post

Quick question if I may. I have some MP3 music on an old Xbox of mine. When I play it thru the XR55, it plays it as 5.1 . I'm trying to turn off the 5.1, and just hear 2 channel stereo for this music. For some reason I can't seem to get this to work no matter what I do. I can't find my manual right now, don't know where I misplaced it, but I've been trying all kinds of different controls on the remote and nothing is working.

Any ideas?

Are you using XBMC? There is a setting in XBMC to output stereo to all channels... Turn that off.

xnappo
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post #3586 of 3603
6/8/09 at 11:45pm
Ruadmaa, shivaji,

Does it make sense or not that's my problem. Thanks, but I don't need any recommendation for any other amp for my setup. Why should I buy ice amps or Crown when I have already fantastic Luxman amp working on the tweeter ribbons and two xr55, which at present configuration with 4 channels engaged, works excellent on mine system. Btw, I bought both xr55 very cheap. The people who have system similar to mine usually use Krell's or similar stuff costing 10 to 20 times more.

There is nothing wrong if you have more power and headroom, but under control. People more often destroy the speakers driving them underpowered than overpowered.

So, why not use two more channels out of three unused from each xr55 if it is possible? I just want to know whether anyone tried to multiply 3 amps per channel in stereo mode on xr55.

Looking to the xr55 manual, page 8, bi-wiring connection, I think that it is possible to connect plus speaker terminal for HF and plus for LF, and the same with minus terminals.

Anyone have idea?
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post #3587 of 3603
6/8/09 at 11:47pm
I use three amps per channel....with bi wireable speakers. If your speakers don't have dual binding posts I don't see how it can be done.


Quote:
Originally Posted by Damich View Post

Ruadmaa, shivaji,

Does it make sense or not that's my problem. Thanks, but I don't need any recommendation for any other amp for my setup. Why should I buy ice amps or Crown when I have already fantastic Luxman amp working on the tweeter ribbons and two xr55, which at present configuration with 4 channels engaged, works excellent on mine system. Btw, I bought both xr55 very cheap. The people who have system similar to mine usually use Krell's or similar stuff costing 10 to 20 times more.

There is nothing wrong if you have more power and headroom, but under control. People more often destroy the speakers driving them underpowered than overpowered.

So, why not use two more channels out of three unused from each xr55 if it is possible? I just want to know whether anyone tried to multiply 3 amps per channel in stereo mode on xr55.

Looking to the xr55 manual, page 8, bi-wiring connection, I think that it is possible to connect plus speaker terminal for HF and plus for LF, and the same with minus terminals.

Anyone have idea?
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post #3588 of 3603
6/9/09 at 2:50am
Quote:
Originally Posted by Damich View Post

Why should I buy ice amps or Crown when I have already fantastic Luxman amp working on the tweeter ribbons and two xr55

Nice... kinda like my setup.
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post #3589 of 3603
6/9/09 at 2:51am
Quote:
Originally Posted by AceMineral View Post

What is the lifespan for a XR55?

Like any other amp, assuming no surges and reasonable playback, forever...
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post #3590 of 3603
6/9/09 at 11:51am
Quote:
Originally Posted by xnappo View Post

Are you using XBMC? There is a setting in XBMC to output stereo to all channels... Turn that off.

xnappo

Don't you mean turn that on ? I'm currently getting 5.1 playback, and want 2 channel stereo instead. I'm just listening to music, and don't want to hear it on the center channel or the surrounds.


Isn't there a button or mode somewhere to just quickly select 2 channel stereo? I'm talking about on the Receiver itself, or on the remote. I'm amazed that I haven't come across this issue previously. I thought all you had to do was hit the "effect" button on the remote, but whenever I hit that button it doesn't do anything.
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post #3591 of 3603
6/9/09 at 11:59am
Quote:
Originally Posted by Anthony1 View Post

Don't you mean turn that on ? I'm currently getting 5.1 playback, and want 2 channel stereo instead. I'm just listening to music, and don't want to hear it on the center channel or the surrounds.


Isn't there a button or mode somewhere to just quickly select 2 channel stereo? I'm talking about on the Receiver itself, or on the remote. I'm amazed that I haven't come across this issue previously. I thought all you had to do was hit the "effect" button on the remote, but whenever I hit that button it doesn't do anything.

I am saying that there is an option in XBMC to output to all speakers, and I bet you have that option turned on. Are you getting lights for all of the channels on the receiver or only two? If you are getting lights for all 5, then it is the XBOX copying the stereo to all channels, not the receiver.

xnappo
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post #3592 of 3603
6/9/09 at 11:47pm
Quote:
Originally Posted by SteveSatch View Post

I use three amps per channel....with bi wireable speakers. If your speakers don't have dual binding posts I don't see how it can be done.

Hi SteveSatch,

I had the same situation with mine previous 2-way hybrid speakers, but this setting works with speaker passive x-o.

Now I am in totally different situation, 3-way system, amped horizontally with 3 stereo amps (two of which are xr55 in stereo mode) with external digital x-o.
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post #3593 of 3603
6/10/09 at 1:10pm
Quote:
Originally Posted by xnappo View Post

I am saying that there is an option in XBMC to output to all speakers, and I bet you have that option turned on. Are you getting lights for all of the channels on the receiver or only two? If you are getting lights for all 5, then it is the XBOX copying the stereo to all channels, not the receiver.

xnappo


Oh, I get it. My bad. Yeah, that's probably the case. I need to search thru the various menus and see if I can find that option.
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post #3594 of 3603
12/12/09 at 11:55am
Quote:
Originally Posted by Damich View Post

Ruadmaa, shivaji,

Does it make sense or not that's my problem. Thanks, but I don't need any recommendation for any other amp for my setup. Why should I buy ice amps or Crown when I have already fantastic Luxman amp working on the tweeter ribbons and two xr55, which at present configuration with 4 channels engaged, works excellent on mine system. Btw, I bought both xr55 very cheap. The people who have system similar to mine usually use Krell's or similar stuff costing 10 to 20 times more.

There is nothing wrong if you have more power and headroom, but under control. People more often destroy the speakers driving them underpowered than overpowered.

So, why not use two more channels out of three unused from each xr55 if it is possible? I just want to know whether anyone tried to multiply 3 amps per channel in stereo mode on xr55.

Looking to the xr55 manual, page 8, bi-wiring connection, I think that it is possible to connect plus speaker terminal for HF and plus for LF, and the same with minus terminals.

Anyone have idea?

Replying to an old post here... not sure if this helps but did you know the older Panasonic receivers prior to XR55 have optical audio OUT ports? Maybe there's a way you can use that ability to drive the amount of speaker drivers you want. For example maybe use an XR50 before each XR55 to give you an extra pair of stereo A/B channels each. No delays and A/D degradation. Not sure if this would work with your analog CD, but just throwing it out there as a possibility.
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post #3595 of 3603
8/2/10 at 8:58am
I recently went from a 5.1 to a 7.1 speaker setup. I changed to 7 speakers in the setup mode and all speakers work in the test mode. The input shows 5.1 with either DVD'd or digital broadcast signals, but I dont get surround sound through any of the side or back speakers. Tried Dolby, DTS and SFC. What am I missing. I have read the manual a few times and dont see anything obvious. Using the SA-XR55. Thanks for your help. Phil
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post #3596 of 3603
8/2/10 at 9:30am
Did you try a calibration disk, like Avia or something like that. Does sound come through surrounds?
How do you decide the surrounds are not working? For some programming very little if any sound will come from them
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post #3597 of 3603
8/2/10 at 10:53am
Did you go into setup and change surround back speakers from 0 to 2?
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post #3598 of 3603
8/2/10 at 4:54pm
I should get a test disk and truy that. So far I haven't got any sound except the test tone. Thank you for the tip. Phil
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post #3599 of 3603
8/2/10 at 4:55pm
Yes I show 2 speakers in surround back. Thank you. Phil
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post #3600 of 3603
10/21/10 at 7:53pm
I had my XR55 fail today. It was working as of a few days ago. It has had an easy life powering my 5 channel system once or twice a week for the past 4 years. I was switching out the surge protector. When I plugged the panny into the new one, it seemed to give a little more of a connecting spark than a piece of electronics that is off should. When I went to power up the receiver, there was nothing. No light on the front. No response anywhere. After checking to see that the warranty was only 1 year, I took off the top to check the fuse. Still good (visually and with a DMM). Very disappointing that this thing should fail this way. I gave all the visible components a close eye and a sniff. I can't find anything wrong. Is it worth sending away to be fixed?

Or can anyone recommend a more modern receiver in the same bang per buck category to replace it?
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