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Thread: Someone please school me on the differences - Need vrs Want & SQ Diff of both(Watts)

  1. #11
    Quote Originally Posted by Folsom View Post
    I think you should ask yourself how honest some of the Mola Mola sound is, classD raises the lower information naturally so you get a bump in detail and such. And if the bass sound real. Maybe other factors are holding the amps back.

    Try running your amp not through the isolation transformer. Even on an extension cord. Let me know the results, we may have some items to talk about.
    I'm not sure I follow what you are asking?

    I ran the Mola's for a better part of 6mo without any sort of power conditioning. Never had any issues with Bass during that time. After putting them on the Torus RM20, Bass and its sound in general improved across the board to my ears. I have the Pass going straight into the wall at the moment.

    One thing I can say is that there is a pretty stark difference in sound between the Mola's compared to the Pass XA30.5. I would feel pretty confident saying that even being blind folded I could pick out the difference between them 5/5 times. Which one is more real to the original recording would be hard to say without being present during the recording itself. Which sound I am preferring more as I compare the two units is a tough call. Each has its plus and minuses.

    I am selling the Mola's but my reasons for that decision are more to do with just wanting to try something new than anything else.
    Music is the brandy of the damned - George Bernard Shaw

    My Audio System Link

  2. #12
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    So you don't use the Torus with the amps, ok. That I didn't know. Well I don't have any more particular thoughts other than I wouldn't expect anything too much different in large Pass amps unless they're noted to be a fair bit different.

  3. #13
    Hello,

    Actually I was using the Torus with the Mola's for most of my time with them but now that I am selling them I do not intend to use the Torus in combination with the Pass Labs MonoBlocks I will be getting. The Torus will be put up for sale as well. The main reason may be silly to some but, I feel the Torus and the large Pass MonoBlocks will eat up too much floor space. I may look into acquiring another Shunyata Denali, the 2000T this time, at some point in the future.

    I'm cutting myself off of any further thoughts on getting something bigger than the 60.8's and will live in ignorant bliss of what more the bigger Passes could have brought to the table
    Music is the brandy of the damned - George Bernard Shaw

    My Audio System Link

  4. #14
    Quote Originally Posted by cjf View Post
    Hello,

    I've recently aquired a new toy that I am using as a Guiena Pig to determine how many "Pass Labs" Watts I really need to support my listening habits and speaker of choice.

    The "toy" I am speaking of is a Pass Labs XA30.5 Stereo Amp. The speakers are Magico S3's.

    It's kind of funny, when I think of this XA30.5's advertised output, I can't help but grin as I stare at the numbers on paper compared to my "regular" Amps of choice which are significantly more powerful. But, with that said, do I really need as much power as I'm feeding these speakers and how is that extra headroom contributing to the sound I have grown to very much enjoy.

    Here is where it gets interesting. Thus far, with the XA30.5 driving my speakers in my 24x15 room, I have only just barley got the little needle to move past 12 o'clock at what I would call the 90% mark of my normal listening level. Impressive to say the least!

    So with the above in mind I ask this question to those Pass veterans on the forum:

    1. Is there any reason to believe that going full overkill mode on the sizing aspect of the amp would get me anything at all above and beyond what I'm hearing now? In other words, if I'm only slightly ruffling the feathers of a XA30.5's power output and believe that a XA60.8 would fit the bill for my usage without a problem what is the likelyhood of a XA100.8 being even better still? It appears there are differences from an electrical capability standpoint and a slight edge in Damping Factor to the 100.8 on up but will it matter in this case?

    It's a very interesting contrast when comparing the "Baby" Pass to my regular amps (Mola Mola Kaluga) on these speakers. I know Class D is not a very popular topology around here and usually gets kicked to the curb by most due to old biases some can't get past but when I hear these two very different beasts side by side I'm hard pressed to pick one being massively better then the other. At least not that would justify the typical responses seen by the usual suspects and fans of Class A only around here.

    Anyway, I offer this brief comparison as a Segway into my next question about the sound of the more powerful Pass Labs offerings compared to the "Baby" Pass I am playing with.

    When comparing the Mola's sound to the "Baby" Pass its like the equivalent of a Yamaha R1 compared to a Harley in terms of speed, acceleration, bass that's there one second and gone before the next second, with a smack you in the face type of impact to the notes capable of doing such things all the while not being over baring, harsh or in your face. But, is most of this due to the massive power differences between the two or just becuase of the topology differences? Would a much larger Pass than a XA60.8 do this more then the XA60.8 would given my previous comments on barley moving the needle of a XA30.5 I am using today?

    I guess what I'm wondering is, would a larger Pass in my room with my speakers under the same listening conditions be putting me closer to that Mola Mola sound or only be burning more electricity and generating more heat than the XA60.8 would which appears to be enough power for my purposes?

    Thanks
    What AMP is the Harley and what is the R1? ( I ride so I like the comparo) Btw, I think you'll appreciate the greater .8 transparency (lower noise floor ) over the mid range bloom of the.5. But, that's just me. Let's us know what you end up getting. Frankly, I'd start with the XA-60.8 and see from there.

  5. #15
    Quote Originally Posted by Mdp632 View Post
    What AMP is the Harley and what is the R1? ( I ride so I like the comparo) Btw, I think you'll appreciate the greater .8 transparency (lower noise floor ) over the mid range bloom of the.5. But, that's just me. Let's us know what you end up getting. Frankly, I'd start with the XA-60.8 and see from there.
    Hello,

    In my opinion the XA30.5 is definitely the Harley. Big, Heavy, Inefficient, Hot, Thirsty (electricity in this case) while providing enough Torque to push along even the heaviest load effortlessly (ie..fat rider/stubborn speaker). It gets the job done and very well I might add.

    The Mola is the R1. Exciting, Immediate (ie...starts/stops on a dime), demands your full attention at all times and could become exhausting after a while (several hours). With that said, you could just sit back and cruise along (listen) in a mellow fashion with it also if you really wanted to but in doing so you will probably be wasting its true talent which is keeping your senses within reach of a near death experience at all times. For some that feeling can be very addicting and for me it was; at least for a while

    In recent months I find that I am beginning to like the Harley experience a bit more. Must be a sign of getting old
    Music is the brandy of the damned - George Bernard Shaw

    My Audio System Link

  6. #16
    Quote Originally Posted by cjf View Post
    Hello,

    In my opinion the XA30.5 is definitely the Harley. Big, Heavy, Inefficient, Hot, Thirsty (electricity in this case) while providing enough Torque to push along even the heaviest load effortlessly (ie..fat rider/stubborn speaker). It gets the job done and very well I might add.

    The Mola is the R1. Exciting, Immediate (ie...starts/stops on a dime), demands your full attention at all times and could become exhausting after a while (several hours). With that said, you could just sit back and cruise along (listen) in a mellow fashion with it also if you really wanted to but in doing so you will probably be wasting its true talent which is keeping your senses within reach of a near death experience at all times. For some that feeling can be very addicting and for me it was; at least for a while

    In recent months I find that I am beginning to like the Harley experience a bit more. Must be a sign of getting old
    Nice, let us know how you like the XA60.8s if you decide to go that route. Lot's of Pass and Magico users who enjoy this combination of speakers and electronics.

  7. #17
    60.8's have arrived!

    Im only about 100hrs into the break in period but so far I'm really liking what I hear. The sound has definitely matured quite a bit since taking them out of the box. This evening seems to be the first time I am getting a good idea of how they will sound for the most part going forward.

    My initial concerns of them maybe not having enough power was pretty quickly put to rest the other day when I threw on Metallica's "For Whom The Bell Tolls" followed by "Orion" at the loudest level I would probably ever listen to the system (105db or so). Wow, yup they have plenty of juice and the needle wasnt even moving on the Amps yet

    I am pleased to find out that these Amps seem to address the one main gripe I had with the XA.5 I had which was the puffy bass. The .8 to my ears seems to be very clean and controlled in how it does Bass and in general sounds very clean and transparent everywhere in the Freq range without white washing anything. It appears to have much to offer in terms of tone,body and nuance with a nice wide and deep soundstage.

    No regrets from me here on these guys and I think its time to leap off the marry-go-round for a while and sit back enjoying the music collection.

    Highly recommended

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    Music is the brandy of the damned - George Bernard Shaw

    My Audio System Link

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