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post #2341 of 3559 Old 08-21-2013, 02:08 PM
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I recently purchased my first Parasound amp. I picked up a Parasound A21 to replace my 1 year old ATI 3007. I must say that I definitely prefer the Parasound. I have also owned Sony TA-N55ES (late 90's), Acurus A150's, Classe CA-200 & CAV75, Pass Labs X150, Anthem MCA20&50, Emotiva XPA-1 monoblocks and an XPA-5. I had an in home demo of a Bryston 4B-ST around 2002 at the time I owned the Classe and Pass Labs amps. I had always been sorry that I sold my Classe amps until now. Now i'm waiting on my new preamp.
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post #2342 of 3559 Old 08-21-2013, 02:19 PM
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Quote:
Originally Posted by Teyry View Post

I recently purchased my first Parasound amp. I picked up a Parasound A21 to replace my 1 year old ATI 3007. I must say that I definitely prefer the Parasound. I have also owned Sony TA-N55ES (late 90's), Acurus A150's, Classe CA-200 & CAV75, Pass Labs X150, Anthem MCA20&50, Emotiva XPA-1 monoblocks and an XPA-5. I had an in home demo of a Bryston 4B-ST around 2002 at the time I owned the Classe and Pass Labs amps. I had always been sorry that I sold my Classe amps until now. Now i'm waiting on my new preamp.
Congrats on the A21 ! I love mine currently running it threw my pre/pro and it sounds amazing . It's good to know out of all your amps you favor the Halo .Ive had a few but not as many as you only around half but my 21 I liked the best to . Did you get black or satin/silver ?
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post #2343 of 3559 Old 08-21-2013, 03:08 PM
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I upgraded from a Sony 6400ES AVR to a Halo A 51--the Parasound just blows it away! Warmer, richer, deeper/broader staging, more detailed--you name it. The Halo line is easily among the best values in high(er) end equipment.
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DALI Epicon 2 front speakers; DALI Epicon Vokal center speaker; Definitive Technology ProMonitor 1000 surrounds; SVS SB 13 Ultra subwoofer; Marantz AV 8801 pre/pro; Parasound Halo A51 power amp; Oppo BDP 105 SACD/Blu-ray player; Sennheiser HD 800 headphones; Woo Audio WA6 headphone amp.
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post #2344 of 3559 Old 08-21-2013, 03:17 PM
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Quote:
Originally Posted by bwv1080 View Post

I upgraded from a Sony 6400ES AVR to a Halo A 51--the Parasound just blows it away! Warmer, richer, deeper/broader staging, more detailed--you name it. The Halo line is easily among the best values in high(er) end equipment.
Welcome to the Halo familiy smile.gif and I couldn't agree more with your description .
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post #2345 of 3559 Old 08-21-2013, 03:28 PM
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Black. If they had the black out last year I probably would have purchased the Parasound over the ATI. I believe I noticed they came out in black about a month after I got the ATI.

I really had no complaints about the Classe or Anthem amps. I really liked them. The old style black Classe amp is one of my favorites along with the Parasound. I had a change in hobbies around that time and sold the Classe and the Pass Labs. The Pass Labs ran really hot, but it was a wonderful sounding amp. I think I preferred the Classe by a small margin. I was using a Citation 7.0 processor that I later changed to a Lexicon MC-1 before selling.

When I purchased the Anthem amps I was running them with an Anthem AVM20 processor with a BPT balanced power conditioner. Speakers were Dunlavy SC-IV's augmented by Vandersteen 2WQ subwoofers. It was a really nice sounding setup.

I still have the Dunlavy speakers. Hopefully next year will bring the Vandersteen 2wq subs (my favorite subs for music). Then I will follow with the Parasound A51 if all goes as planned.

I was very disappointed in the Emotiva's, they sounded okay but they were constantly blowing fuses or shutting down on me during movies. The heat sinks were also making an annoying pinging sound. The Emotiva reps stated that it was the normal expansion/contraction of the heat sinks. This was only on the mono blocks, and I had 3 of them with the same problems. I never had a problem with the XPA-5.

I was using the ATI 3007 with their ATP8700 processor, the processor is just outdated but sounded good.
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post #2346 of 3559 Old 08-21-2013, 06:47 PM
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Hooked up my 2205a to my umc200 and fired it up and dreaded speaker hum in all speakers. Turned the gains from full to half.and it helped.a.bit bit still way too loud. First amp so never had to deal with this. I have heard the terms ground loop but could use a little guidance .
Thanks
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post #2347 of 3559 Old 08-21-2013, 06:51 PM
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Quote:
Originally Posted by chalugadp View Post

Hooked up my 2205a to my umc200 and fired it up and dreaded speaker hum in all speakers. Turned the gains from full to half.and it helped.a.bit bit still way too loud. First amp so never had to deal with this. I have heard the terms ground loop but could use a little guidance .
Thanks

Yes - easy to troubleshoot, just go to the hardware store and grab a cheater plug.
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post #2348 of 3559 Old 08-21-2013, 06:54 PM
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Quote:
Originally Posted by Teyry View Post

I recently purchased my first Parasound amp. I picked up a Parasound A21 to replace my 1 year old ATI 3007. I must say that I definitely prefer the Parasound. I have also owned Sony TA-N55ES (late 90's), Acurus A150's, Classe CA-200 & CAV75, Pass Labs X150, Anthem MCA20&50, Emotiva XPA-1 monoblocks and an XPA-5. I had an in home demo of a Bryston 4B-ST around 2002 at the time I owned the Classe and Pass Labs amps. I had always been sorry that I sold my Classe amps until now. Now i'm waiting on my new preamp.

Just curious, what was wrong with the ATI3007? It is supposed to be an excellent amp.
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post #2349 of 3559 Old 08-21-2013, 07:06 PM
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Quote:
Originally Posted by chalugadp View Post

Hooked up my 2205a to my umc200 and fired it up and dreaded speaker hum in all speakers. Turned the gains from full to half.and it helped.a.bit bit still way too loud. First amp so never had to deal with this. I have heard the terms ground loop but could use a little guidance .
Thanks
Also try plugging your amp and AVR in the same outlet and see if that helps .Does the 2205a have a option to run balanced XLRs ? If so and if your umc200 has inputs for XLRs give it a try to .
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post #2350 of 3559 Old 08-21-2013, 07:11 PM
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Quote:
Originally Posted by Teyry View Post

I really had no complaints about the Classe or Anthem amps. I really liked them. The old style black Classe amp is one of my favorites along with the Parasound. I had a change in hobbies around that time and sold the Classe and the Pass Labs. The Pass Labs ran really hot, but it was a wonderful sounding amp. I think I preferred the Classe by a small margin. I was using a Citation 7.0 processor that I later changed to a Lexicon MC-1 before selling.

I was very disappointed in the Emotiva's, they sounded okay but they were constantly blowing fuses or shutting down on me during movies. The heat sinks were also making an annoying pinging sound. The Emotiva reps stated that it was the normal expansion/contraction of the heat sinks. This was only on the mono blocks, and I had 3 of them with the same problems.

Parasound almost equal Classe! Emotiva is s...t
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post #2351 of 3559 Old 08-21-2013, 07:12 PM
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Quote:
Originally Posted by TheFactor View Post

Also try plugging your amp and AVR in the same outlet and see if that helps .Does the 2205a have a option to run balanced XLRs ? If so and if your umc200 has inputs for XLRs give it a try to .

No xlrs but I will try plugging emotiva preamp into same outlet as amp
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post #2352 of 3559 Old 08-21-2013, 07:13 PM
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Quote:
Originally Posted by WillyJ View Post

Yes - easy to troubleshoot, just go to the hardware store and grab a cheater plug.
Whats the real name of cheater plug ?
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post #2353 of 3559 Old 08-21-2013, 07:38 PM
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Plugging in to same.outlet and bam !!!!! Dead quiet !!! Why does that work ? Thanks so much !!!!!
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post #2354 of 3559 Old 08-21-2013, 08:02 PM
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Quote:
Originally Posted by chalugadp View Post

Plugging in to same.outlet and bam !!!!! Dead quiet !!! Why does that work ? Thanks so much !!!!!
Your very welcome smile.gif Im really glad it worked for you . Don't know But I know Parasound reccomended it and its the cheapest and easiest thing to check first . Probably has to do with a ground loop issue . So Looks like now its time for you to enjoy ! biggrin.gif
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post #2355 of 3559 Old 08-21-2013, 08:18 PM
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Quote:
Originally Posted by chalugadp View Post

Plugging in to same.outlet and bam !!!!! Dead quiet !!! Why does that work ? Thanks so much !!!!!

From what I understand, the hum comes because there is a difference in potential/voltage between ground and the equipment. When things are plugged in to different sockets that difference isn't necessarily the same for different pieces of equipment. The difference of the differences show up as hum.

When you plug everything in to the same socket the difference of the difference goes away and no hum.

Now, I have a BluRay player that doesn't have 3-prong plug and no matter where I plug it in I get a hum. For that, I had to convert its coax output to an optical output so that its difference had no where to go - electricity can't go through an optical connection.

Well, that's how I understand it smile.gif
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post #2356 of 3559 Old 08-21-2013, 08:21 PM
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Will have a more detailed review in a couple of days but so far amazing improvement over denon receiver . Not sure how much is amp and how much is preamp . My denon only had audyssey eq not eq xt. Voices are crystal clear and its fun to be able to tweak the bass.
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post #2357 of 3559 Old 08-21-2013, 08:31 PM
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Quote:
Originally Posted by chalugadp View Post

Will have a more detailed review in a couple of days but so far amazing improvement over denon receiver . Not sure how much is amp and how much is preamp . My denon only had audyssey eq not eq xt. Voices are crystal clear and its fun to be able to tweak the bass.
Thats great news! Most important is that your enjoying the upgrade and they work good together .
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post #2358 of 3559 Old 08-21-2013, 08:32 PM
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Edit ::pSorry guys double post
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post #2359 of 3559 Old 08-22-2013, 01:00 AM
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Quote:
Originally Posted by WillyJ View Post

Yes - easy to troubleshoot, just go to the hardware store and grab a cheater plug.

Is this safe ? Saw some conflicting. Articles .
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post #2360 of 3559 Old 08-22-2013, 06:22 AM
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Quote:
Originally Posted by chalugadp View Post

Is this safe ? Saw some conflicting. Articles .
When I was having hum issues and was at wits end trying to alleviate the situation, I called Parasound tech and they actually were the one's who recommended this fix. If I'm not mistaken, it's even referenced in the manual. Unfortunately it did not cure the problem and I had to go the XLR route along with re-routing all the spaghetti behind the rack.

He (or she) who dies with the most HT gear doesn't win anything. They're DEAD!
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post #2361 of 3559 Old 08-22-2013, 06:33 AM
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Some of the newer Para amps actually have a "ground lift" switch which accomplishes the same thing. PS Audio also sells power cables with removeable ground prongs for this reason.

I only suggested the cheater as a troubleshooting tip anyway - I wouldn't recommend using a cheap thing like this with your expensive gear. I myself have used the PS Audio power cords with the ground prong removed for years now. I suspect a lot of the ground loop issues are caused by power strips, power conditioners and the like. Why Para amps are prone to this is anyone's guess.
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post #2362 of 3559 Old 08-22-2013, 11:05 AM
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Thanks for all the help guys.... one more question . The emo preamp came with the 12 v trigger cable. Easy enough to plug in on the preamp but on the 2205a ..... it says 12v trigger on the amp but there is just screws in that location.
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post #2363 of 3559 Old 08-22-2013, 11:50 AM
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Quote:
Originally Posted by chalugadp View Post

Thanks for all the help guys.... one more question . The emo preamp came with the 12 v trigger cable. Easy enough to plug in on the preamp but on the 2205a ..... it says 12v trigger on the amp but there is just screws in that location.
Go to RS and get a pack of jumper cables w/alligator clips. Connect the + on the 2205 to the tip of the trigger cable and the - to the main part of the trigger cable plug.
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post #2364 of 3559 Old 08-22-2013, 12:35 PM
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Quote:
Originally Posted by chalugadp View Post

Is this safe ? Saw some conflicting. Articles .
....we are on a big round rock hanging upside down floating thru the solar system...with solar flares and debris coming at us at the speed of light!
....i think your safe...been using one for a few years with no problems
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post #2365 of 3559 Old 08-22-2013, 01:03 PM
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Originally Posted by esh516 View Post

....we are on a big round rock hanging upside down floating thru the solar system...with solar flares and debris coming at us at the speed of light!
....i think your safe...been using one for a few years with no problems
Which is the equivalent of having no ground at all...such as the case where I live...thus no ground loops either.
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post #2366 of 3559 Old 08-22-2013, 01:52 PM
 
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I am thinking on buying maybe Parasound Amplifiers.
I have an integrated Pioneer SC-LX90, but would like more power and more detail. Parasound is an option and was thinking on the A51 + A23.
My first option is Krell but it's very expensive and i don't know if it has more detail....

Any help?

Tank you
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post #2367 of 3559 Old 08-22-2013, 02:01 PM
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Quote:
Originally Posted by 4DHD View Post

Go to RS and get a pack of jumper cables w/alligator clips. Connect the + on the 2205 to the tip of the trigger cable and the - to the main part of the trigger cable plug.

Got it working , thanks
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post #2368 of 3559 Old 08-22-2013, 03:19 PM
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Quote:
Originally Posted by MV_Cinema View Post

I am thinking on buying maybe Parasound Amplifiers.
I have an integrated Pioneer SC-LX90, but would like more power and more detail. Parasound is an option and was thinking on the A51 + A23.
My first option is Krell but it's very expensive and i don't know if it has more detail....

Any help?

Tank you
You are thinking correctly!... the A23 & A51 is top notch amplification....
They will make you proud...and your music very clean and detailed!
...and you will be very happy...
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post #2369 of 3559 Old 08-22-2013, 04:01 PM
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Quote:
Originally Posted by WillyJ View Post

Some of the newer Para amps actually have a "ground lift" switch which accomplishes the same thing. PS Audio also sells power cables with removeable ground prongs for this reason.

I only suggested the cheater as a troubleshooting tip anyway - I wouldn't recommend using a cheap thing like this with your expensive gear. I myself have used the PS Audio power cords with the ground prong removed for years now. I suspect a lot of the ground loop issues are caused by power strips, power conditioners and the like. Why Para amps are prone to this is anyone's guess.
My A21 has that ground lift switch on the back not sure about my A52 though .
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post #2370 of 3559 Old 08-22-2013, 04:03 PM
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Quote:
Originally Posted by MV_Cinema View Post

I am thinking on buying maybe Parasound Amplifiers.
I have an integrated Pioneer SC-LX90, but would like more power and more detail. Parasound is an option and was thinking on the A51 + A23.
My first option is Krell but it's very expensive and i don't know if it has more detail....

Any help?

Tank you
Another good option would be the A51 & A21 giving you 7 channels of pure heaven biggrin.gif
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