Official Emotiva XPA-5 Owners Thread - Page 49 - AVS Forum | Home Theater Discussions And Reviews
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post #1441 of 2407 Old 07-15-2013, 12:47 PM
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Thanks kbarnes701 and everyone else who replied. I'm looking for the headroom and the XPA-5 will give me a lot more than I've got currently - just using my TX-NR808.

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post #1442 of 2407 Old 07-15-2013, 12:50 PM
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Quote:
Originally Posted by Tom Riddle View Post

Thanks kbarnes701 and everyone else who replied. I'm looking for the headroom and the XPA-5 will give me a lot more than I've got currently - just using my TX-NR808.

 

With that amp and speaker combination you will have headroom in spades. Typical listening will probably need somewhere between 1  and 3 watts in your system!  Enjoy!

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post #1443 of 2407 Old 07-15-2013, 12:51 PM
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Quote:
Originally Posted by Tom Riddle View Post

I was unable to pull up anything under the "Threads Started", can you post a link? How does it work with speakers whose RMS is lower than the rated power of the amplifier? I'm just curious why it doesn't overpower them.

A link to the thread I started:
http://www.avsforum.com/t/1481773/emotiva-xpa-5-and-umc-200-both-have-issues
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post #1444 of 2407 Old 07-15-2013, 02:05 PM
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Thanks MegaJ. kbarnes, do you think that this amp would be more than i need then? My current receiver is rated at 135 wpc with 2 channels driven - I'm running a 7.1 config, so I'm not sure what it equates to with all channels driven. I must say, it sounds great right now, but I'm always looking for more!

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post #1445 of 2407 Old 07-15-2013, 02:13 PM
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If it is rated 135 wpc 2 channels driven than I would expect quite a difference. The XPA is rated 200 wpc all channels driven. Your current setup might drop to 50 wpc all driven, but that is guesstimation on my part.
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post #1446 of 2407 Old 07-15-2013, 02:43 PM
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Thanks MegaJ. I found an equation on another thread that stated to take the wpcx2/channels to get your true wpc with all channles driven - so 38 wpc in my case. Now, how accurate the equation is, I don't know, but I figure it can't be too far off.

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post #1447 of 2407 Old 07-15-2013, 03:33 PM
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Sorry if this has already been answered but I have a question. What is the difference between the First Gen xpa-5 and the new Gen 2 XPA-5? is it worth making a change? I just got an xpa-5 a couple months ago.
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post #1448 of 2407 Old 07-15-2013, 04:48 PM
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Quote:
Originally Posted by jslaw81 View Post

Sorry if this has already been answered but I have a question. What is the difference between the First Gen xpa-5 and the new Gen 2 XPA-5? is it worth making a change? I just got an xpa-5 a couple months ago.
The biggest technical change was done to the gain structure. The gen 1's have a 32db gain and the gen 2's are 29db. I really don't think this is enough difference to warrant an upgrade to the gen 2. I'm not upgrading my xpa-5 at this time.

I don't need snobs to tell me how to think, thank you!
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post #1449 of 2407 Old 07-16-2013, 03:01 AM
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Quote:
Originally Posted by jslaw81 View Post

Sorry if this has already been answered but I have a question. What is the difference between the First Gen xpa-5 and the new Gen 2 XPA-5? is it worth making a change? I just got an xpa-5 a couple months ago.

 

The review linked to in this thread recently has all the differences detailed.

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post #1450 of 2407 Old 07-16-2013, 07:25 PM
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I think it's a pretty good idea. Hopefully it will stay focused and not go to far astray. thanks 21.gif
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post #1451 of 2407 Old 07-17-2013, 03:25 AM
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Quote:
Originally Posted by Tom Riddle View Post

Thanks MegaJ. kbarnes, do you think that this amp would be more than i need then? My current receiver is rated at 135 wpc with 2 channels driven - I'm running a 7.1 config, so I'm not sure what it equates to with all channels driven. I must say, it sounds great right now, but I'm always looking for more!

 

Whether you will hear a difference between the internal AVR amps and an external amp depends on several factors. If the AVR amp can power your speakers to the peak SPL levels you need, without clipping, then an external amp won't make much difference for you. If you are running into clipping, then more powerful external amps will definitely help.  Bear in mind that most people lope along using 1 to 3 watts for most of the time...

 

There are numerous SPL calculators on the Internet - plug your data in and it will tell you what you need to know. Speakers of average 87dB/1w/1m efficiency will deliver 87dB from just 1 watt at a distance of about 3 feet. At 6 feet you would get 81dB (inverse square law). At 9 feet, 77dB and at 12ft 75dB.  So, with those speakers, if you listen at 9 feet, 1 watt will give you 77dB. In fact it will give you more because of room gain, but ignore that for now as I have no idea what your room is like nor where your speakers are. 

 

So, if your speakers are 87dB efficiency you will get 77dB from 1 watt at 9 feet. Raising that SPL to 85dB (average SPL for movies, Reference Level) would need about 6 or 7 watts. Now 85dB is pretty loud for most people, and you can get it, in my example, from 6 watts. Can your AVR deliver 6 watts to all channels?  I am guessing it can :)

 

But you want to hit 105dB for movie peaks if you are sticking with Reference Level (although few people listen at Reference Level at home). That would require you to have almost 400 watts available for peaks. Can your AVR deliver 400 watts momentarily for peaks?  Possibly. 

 

Remember we have not taken into account room gain. Your speakers may be more efficient than 87dB/1w/1m. You may sit closer or further away than my assumption.

 

Go to one of the online calculators armed with your speaker efficiency and seating distance and you can see what watts you will need. Remember that it is unlikely you will peak at 105dB as most people find Reference Level at home unbearably loud.

 

Typical modern AVRs can easily deliver 50-80 watts with all channels driven. Also remember that in the real world, all channels will never be driven to max at the same time. 

 

Can you hear clipping distortion when you listen at the loudest levels you normally listen at?  If not, then an external amp won’t make any real difference to your sound quality. If you are hearing clipping (a 'rough' or 'harsh' or 'grating' sound) on peaks, then an external amp will make a difference.

 

If, after all this, you decide you do not need an external amp, then spend the saved money on the areas where you will hear a HUGE difference in SQ: better speakers, better (or an additional) subs and acoustic room treatments.

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post #1452 of 2407 Old 07-17-2013, 01:10 PM
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Some of you have already seen this, and some others probably won't be interested, but I stumbled on Stereophile Magazine's year and a half old article on the XPA-5 today, and thought it might be of interest to at least a few.

Cheers.

http://www.stereophile.com/content/music-round-51


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post #1453 of 2407 Old 07-17-2013, 08:23 PM
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Kal posts here fairly regularly.

"After silence, that which best expresses the inexpressible, is music" - Aldous Huxley
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post #1454 of 2407 Old 07-17-2013, 09:49 PM
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Quote:
Originally Posted by 67jason View Post

The biggest technical change was done to the gain structure. The gen 1's have a 32db gain and the gen 2's are 29db. I really don't think this is enough difference to warrant an upgrade to the gen 2. I'm not upgrading my xpa-5 at this time.
What's also important is the associated increase in amplifier input sensitivity to 1.8V (for rated power; 8Ω load). I can't find the original XPA-5's input sensitivity in writing any more, but IIRC it was around 1.0 - 1.1V. (<-- correct me if I'm wrong).
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post #1455 of 2407 Old 07-22-2013, 06:50 AM
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So, wouldn't this mean that the Gen1's would be a better match for someone using a receiver with a 1V output as the pre/pro?

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post #1456 of 2407 Old 07-25-2013, 07:36 AM
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^^^ Yes, that's correct.

An AVR would need to deliver 1.8V peak at the pre-outs to drive the Gen 2 XPA-5 to full rated power.
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post #1457 of 2407 Old 07-25-2013, 11:23 AM
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I just bought an XPA and wonder what you current owners are using as the ideal connection for the outbound speaker wires on your XPA -- Banana or Spade or Pin or just the speaker wire itself?

The XPA manual appears to show Bananas and that's what I would do unless someone here has user specific-insight that says use something else.

Thanks in advance.


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post #1458 of 2407 Old 07-25-2013, 01:44 PM
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Quote:
Originally Posted by mogrub View Post

I just bought an XPA and wonder what you current owners are using as the ideal connection for the outbound speaker wires on your XPA -- Banana or Spade or Pin or just the speaker wire itself?

The XPA manual appears to show Bananas and that's what I would do unless someone here has user specific-insight that says use something else.

Thanks in advance.


I'm using Banana plugs at both ends with excellent results.


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post #1459 of 2407 Old 07-25-2013, 07:23 PM
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^^^ I use bare wire, no problem. Bananas or spades are nice (appearance, convenience) but really are not necessary.

I don't need snobs to tell me how to think, thank you!
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post #1460 of 2407 Old 07-26-2013, 10:01 AM
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but, can help prevent your wires touching each other, or somewhere else and causing some serious problems...
Quote:
Originally Posted by 67jason View Post

^^^ I use bare wire, no problem. Bananas or spades are nice (appearance, convenience) but really are not necessary.

just 1 more pair of KLIPSCH Classic speakers...
RED AND BLUE=MAROON!

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post #1461 of 2407 Old 07-30-2013, 09:02 AM
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I just ordered an XPA-5 and XPA-2 (both Gen-2). I can't wait to get them installed and try them out. I'll post my impressions as soon as I can. Does anyone have a Gen-2 in use that can comment on it at this point?
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post #1462 of 2407 Old 07-30-2013, 10:06 AM
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I wish i owned them But i dont.Maybe when u get them both in give us some picture's.
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post #1463 of 2407 Old 07-30-2013, 08:35 PM
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Very amped, pun intended. XPA-3 installed today. Speakers arrive tomorrow. All that bad boy can do so far is look good.

Can't wait to start working those heat sinks just a little bit. 👍


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post #1464 of 2407 Old 07-31-2013, 12:49 PM
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I must say that I'm less then impressed with the 2 products that I purchased from Emotiva. I had written a long post but I deleted it as I don't like long post.

To make a long story short, I now have had 4 x UMC-1 replaced and should have a fifth one replaced but couldn't be bothered, this is all within 6 months of ownership. Now the XPA-5 stopped working and when instructed to, by their tech support, to plug the amplifier into a different circuit the unit went up in smoke.eek.gif So now I have to send a 85 pound amplifier back for repair that is just over a year old, pay for shipping there and hope it works when I get it back. Not to mention the down time.mad.gif

All I can say to anyone thinking of purchasing any of Emotiva's product is DON'T.

Buy something else there is a reason why it is cheaper then other products they claim to be in the same class, is because it is CHEAPER
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post #1465 of 2407 Old 07-31-2013, 12:59 PM
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Quote:
Originally Posted by Capt n Kirk View Post

I must say that I'm less then impressed with the 2 products that I purchased from Emotiva. I had written a long post but I deleted it as I don't like long post.

To make a long story short, I now have had 4 x UMC-1 replaced and should have a fifth one replaced but couldn't be bothered, this is all within 6 months of ownership. Now the XPA-5 stopped working and when instructed to, by their tech support, to plug the amplifier into a different circuit the unit went up in smoke.eek.gif So now I have to send a 85 pound amplifier back for repair that is just over a year old, pay for shipping there and hope it works when I get it back. Not to mention the down time.mad.gif

All I can say to anyone thinking of purchasing any of Emotiva's product is DON'T.

Buy something else there is a reason why it is cheaper then other products they claim to be in the same class, is because it is CHEAPER

 

Sorry to hear of the problems you've had. I can almost feel your frustration from here, thousands of miles away!

 

But one bad experience out of hundreds of great experiences isn't really a good reason to advise people to not buy an Emo amp IMO. I have 4 of them and they have all been working here for a long, long time with no issues at all. I think my experience is more typical of Emo amps than your unfortunate experience has been. In general, judging by the posts here on AVS, most users have found the Emo amps to be very reliable.

 

WRT to the UMC-1, well what can I say?  Did you not read the various threads about it?  You are not the only one who has received a useless UMC-1. Almost everyone did! Emo never did get it working properly. 

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post #1466 of 2407 Old 07-31-2013, 01:09 PM
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I understand you standing up for Emotiva but if the company is claiming high end audio without high end pricing and the failure rate on my purchases is as high as it is, I believe that people should know that the product is not as good as claimed.
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post #1467 of 2407 Old 07-31-2013, 02:28 PM
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Quote:
Originally Posted by Capt n Kirk View Post

I understand you standing up for Emotiva but if the company is claiming high end audio without high end pricing and the failure rate on my purchases is as high as it is, I believe that people should know that the product is not as good as claimed.

 

It's just one of thousands. The overwhelming majority are reliable and they represent fabulous value for money.  I realise this is no consolation to you, and I too would be angry in your shoes, but it is an over-reaction of some magnitude IMO to brand the entire output as rubbish.

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post #1468 of 2407 Old 07-31-2013, 02:42 PM
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To say that I'm over-reacting is rubbish as well. I've not over reacted at all I have simply voiced my opinion about the experience I've had with Emotiva products. If I only had one issue and I posted my displeasure that would be an over reaction. Not the multiple problems across the only 2 products purchased.

When you have had as many problems as I have with the products in less then a year the conclusion is simple.
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post #1469 of 2407 Old 07-31-2013, 04:30 PM
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Not trying to be rude,But u are over reacting just a little,Because u had problem's with there amp's ,Yes we get this But saying that there bad because only u had a downfall.Out of the hundred's and thousand's who own these amp's.And i am sure are doing very well with there amp's.U have to say DONT BUY.That's nut's.And emotiva is not even high end ,There amp's were made to compare TO THE HIGH END amp's that are MORE CASH.so what there doing is chargeing u LESS for MORE.If u dont think this is true then go on and look for review's.I am not saying emotiva is perfect.There not.every company who make's amp's or even other tec product's are her to compare what they can bring to the table.And not only bring to the table.To see who can get the job done for the right price,So idk i feel bad for what happened to u. But i need to ask u really tell us all what really happened to your amp's.How did they fail were do u have the amp's in are they breathing right ,U need to make sure the air temp's are not too hot.Just saying.Good luck and sorry if u feel if i said too much.I am only trying to say what i think and what's on my mind.
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post #1470 of 2407 Old 07-31-2013, 08:20 PM
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Just received my XPA-3 today. Could not be happier. Everything looks superb.

Carefully focused on my installation, equipment, connection, load, wiring, cooling, ventilation, and home electricity / circuit issues.

Every single one of those details matters. True for Emo or anyone else at any price point. No way around it.

More updates as testing moves forward. ✌


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