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post #1 of 21 Old 08-02-2009, 09:01 PM - Thread Starter
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I just purchased a new A5.5 which I find to have a more tube like sound that my A5 I had a while back ago. I also found that the volume knob seems more linear as it is smoother when I use the remote and doesn't jump around as much. The only thing I found out, is I get little or no sound about a quarter of a turn, and start getting music at about half way to the half way point. Seems odd but, is this the way they redid the Amp, as I know it went through some more refinements which I like, especially on the sound. The A5 was fantastic, the A5.5 is more smooth and tube like. Thanks .....

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post #2 of 21 Old 08-03-2009, 12:05 AM
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Not surprising, they kept changing their house sound. Their amps 10 years ago sound very different than today's.
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post #3 of 21 Old 08-03-2009, 07:11 AM
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the A5.5 has a different Sanken output device; and there are more of them than in the A5.
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post #4 of 21 Old 08-03-2009, 07:13 AM - Thread Starter
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Quote:
Originally Posted by Veda View Post

Not surprising, they kept changing their house sound. Their amps 10 years ago sound very different than today's.

Actually I think there sound has been very consistent over the years. The older series the A1 series of new look the same but engineered much better on reliability issues they had about 10 years ago where huge but they always produced good sound. In the last 6 years they are excellent on the reliability side and still produce excellent sound. This unit to me sounds more tube like than the last couple of Int. Amps I have had from them, and they mate well with my Dynaudio which is the key to buying any Amp these days.

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post #5 of 21 Old 08-03-2009, 07:15 AM - Thread Starter
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Quote:
Originally Posted by signal path jim View Post

the A5.5 has a different Sanken output device; and there are more of them than in the A5.

Jim, thanks for answering my question! I wish you where still the distributor! But then again you guys are making a great Int. Amp as well right now... Nova which is a great Int. Amp. I happen to have one.

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post #6 of 21 Old 08-03-2009, 10:21 AM
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thanks, Garman.

as the dollar kept tanking against international currencies it became more difficult to profitably continue distributing. We actually approached Antony Michaelson with the idea behind Peachtree Audio but he turned it down because he wanted to go to higher price points.
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post #7 of 21 Old 08-03-2009, 10:46 AM
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Quote:
Originally Posted by signal path jim View Post

the A5.5 has a different Sanken output device; and there are more of them than in the A5.

Excuse my ignorance, but what are these Sankens and how do more of them improve the sound?
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post #8 of 21 Old 08-03-2009, 12:22 PM - Thread Starter
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Quote:
Originally Posted by nocrapman View Post

Excuse my ignorance, but what are these Sankens and how do more of them improve the sound?


Good question as I know the newer Sanken output devices can dramatically improved thermal coupling. Not sure on how they would affect sound but could change the sound. Highly debatable of course.. Here is a thread I read awhile back ago that goes over stuff in more detail.


http://www.diyaudio.com/forums/showthread/t-53508.html
http://www.polkaudio.com/forums/show...=26433&page=16

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post #9 of 21 Old 12-20-2009, 08:39 PM
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You know, I'm considering the A5 as an alternative to my work den in the back of the house. I spend hours upon hours working on my Mac all day, and I really loved the sound a demo put out at ABT.

What would be the best quality way to input from a Mac Pro? I'm currently using the dig. fiber out to my reserve B&K 307, which is a fine sound, but I don't need 7 channels, and really only one means of input. It looks like this
amp doesn't have a digital connections input. I have 18k songs on my iTunes
library, most imported as 1411 kbps pure lossless.

Wonder how this would sound with my JM Lab Cobalts?
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post #10 of 21 Old 12-21-2009, 08:06 AM
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What would be the best quality way to input from a Mac Pro?

Take a look at the PeachTree Audio Nova, mentioned by Garman. The Nova has USB in and a great DAC, you would simply run a USB cable from your Mac to the Nova.
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post #11 of 21 Old 12-21-2009, 08:27 AM
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80w vs. 250w?
I found nirvana when I upped my livingroom setup to 200w fueling my Electras,
I don't know if I want to downgrade that low in wattage...
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post #12 of 21 Old 12-21-2009, 11:11 AM
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Quote:
Originally Posted by headshot View Post

What would be the best quality way to input from a Mac Pro?

Quote:
Originally Posted by headshot View Post

80w vs. 250w?
I found nirvana when I upped my livingroom setup to 200w fueling my Electras,
I don't know if I want to downgrade that low in wattage...


Got it. Then the best quality I have found for my Mac is this setup. That amp is rated at 250 watts RMS x 2 @ 8 Ω.



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post #13 of 21 Old 12-21-2009, 11:18 AM
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Wait a minute, now that I'm looking further, it actually is a pre-amp!
So the pre is really probably the key, if this thing really is as good a DAC and processor as it claims, and if by using USB rather than optical (which as it claims would lose quality going thru a card) then this could be the best in-between source and power eh?

What kind of beast amp is that??
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post #14 of 21 Old 12-21-2009, 06:00 PM
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Quote:
Originally Posted by headshot View Post

What kind of beast amp is that??

Parasound A21.
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post #15 of 21 Old 12-21-2009, 06:03 PM
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You know I'm really bummed now, that A5 doesn't have a sub out!
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post #16 of 21 Old 03-03-2010, 12:38 AM
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You know I'm really bummed now, that A5 doesn't have a sub out!

The A5.5 has a pre-out that can be used for a sub
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post #17 of 21 Old 03-03-2010, 01:49 PM
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So activating that set won't cancel out the built in amp then?
Some of my higher end subs have L&R inputs. Thanks.
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post #18 of 21 Old 10-22-2015, 01:15 AM
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Quote:
Originally Posted by Garman View Post
I just purchased a new A5.5 which I find to have a more tube like sound that my A5 I had a while back ago. I also found that the volume knob seems more linear as it is smoother when I use the remote and doesn't jump around as much. The only thing I found out, is I get little or no sound about a quarter of a turn, and start getting music at about half way to the half way point. Seems odd but, is this the way they redid the Amp, as I know it went through some more refinements which I like, especially on the sound. The A5 was fantastic, the A5.5 is more smooth and tube like. Thanks .....
Hi Garman,

You use MF gear with some pretty high-end Dynaudio speakers, if I'm not mistaken.
I'm on the verge of buying a used MF A5.5 set (e.g. with the CP-player). Have you ever compared the 5.5 to the A3.2 int. amp? I have the 3.2. now. It's good, but not as good as I'd hoped. To my ears it has a bit of a top-end edge on my Dynaudio Special Twenty Five's. Based on reviews, I'm guessing the 5.5 will sound more liquid and warmer than the 3.2. Can you confirm that?

Thanks!

James.
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post #19 of 21 Old 10-22-2015, 05:57 AM - Thread Starter
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Quote:
Originally Posted by jamesblond View Post
Hi Garman,

You use MF gear with some pretty high-end Dynaudio speakers, if I'm not mistaken.
I'm on the verge of buying a used MF A5.5 set (e.g. with the CP-player). Have you ever compared the 5.5 to the A3.2 int. amp? I have the 3.2. now. It's good, but not as good as I'd hoped. To my ears it has a bit of a top-end edge on my Dynaudio Special Twenty Five's. Based on reviews, I'm guessing the 5.5 will sound more liquid and warmer than the 3.2. Can you confirm that?

Thanks!

James.
James,

All the "A" series stuff is pretty good! The only thing I noticed with the A5.5 verses the A3.2 and other A series is you need too turn the volume up more to get the desired volume more verses their other products. When you jump into the KW series you even get more liquid warm sound, using the KW-500 right now and it mates well with Dynaudio. I have used the A3.2/A3.5/A5.5/ and then the M series M3i/M6i out of the bunch my favorites where the A5 and M6i. Others were very close... But there were people that preferred the A3.2 over the newer Musical Fidelity product, at least you will have a chance to test them out and they sell good on the used market. The A5.5 has more flexibility the the previous A5 my only gripe was the volume pot on the A5.5 which seemed odd you needed too turn it up more to get the desired volume.
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post #20 of 21 Old 10-22-2015, 06:15 AM
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Thanks! That was a quick reply!

I ask, because a friend of mine has the A308 with the 3.2 CDP. We hooked up his gear to my speakers in my room. I was blown away with the muscle and complete lack of distortion, even at high volumes. Also a huge, deep and tall sound stage. Like nothing I've heard before! The A3.2 doesn't come close to the sound the A308 managed to get from my speakers. I'm pretty sure the added Watts will have their merits. But then the character of the 3.2 is just more lean, less power in the bass, more presence in the 6k+ range. I really like the warmth of the A308, hope to find something similar in the A5.5. The A308 is pretty hard to come by... Do you think I am going to find what I'm looking for?

I might just bring my own amp and speakers to the audition and try to judge there and then wheter or not it's a step up.

By the way: the position of the volume knob relative to measured output: do you think that has to do with a change in the amp's design, or just the use of a different kind of potentiometer?

Last edited by jamesblond; 10-22-2015 at 06:18 AM.
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post #21 of 21 Old 10-30-2015, 11:57 AM
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First impression of the A5.5 cd-player:
Beautiful piece of gear. But I'm not convinced by it's sound. I think it's a bit veiled. As if someone put a blanket in front of my speakers. I found out this is due to the tube output buffer. I have compared my old Teac CD-1000 (which is fully solid state) with the A5.5, and I actually preferred the "immediacy" of the Teac on most recordings. Some cd's most cd's don't suffer from the tube-sauce, but they don't benefit from it, either. A few of my cd's actually sound dull and boring through the A5.5. They seem to lose transient-content. Whereas through the Teac CD-1000 those same recordings exhibit a jump-factor.

I've more or less solved this but using the A5.5's optical output and routing that through my Emotiva UMC-200 before it goes to the A5.5 int.amp. Sounds very nice. No discernable difference to the Teac CD-1000. The sound-stage is a bit bigger and deeper, which is gorgeous!


First impression of the amp: Wow!
When compared to the A3.2, the sound is a bit more relaxed. About the same amount of treble, but smoother. Less "grainy". The A5.5 has much more power and control in the bass. That is not to say the bass is overwhelming or too loud. Rather the A3.2 was a bit light-weight down below. That was my first impression when I heard the 3.2, but I got used to it. When first hearing the A5.5 I immediately felt that the overall balance was much better. Especially the low end power and control. You can turn it up and turn it up and it won't break a sweat. Not a hint of distortion or power compression. It also throws a huge sound stage. Love it!

I think it's odd MF produce this set with an amp capable of such speed and transients and then mate it with a tube cd-player...

There is one odd thing, though. I'd love to hear if others have experienced this too.
When I listen to the cd through the Emotiva, connected to the HT-bypass input, the volume control on the amp set to nine o'clock, and then swith the the cd-input to compare with the tube output, the amp goes to full output for a fraction of a second before applying the setting of the volume knob. Seems odd and downright dangerous to speakers...

Does anyone know about this?

James.
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