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07-11-10
Some information: speaker : von schweikert unifiel ... Elmerpoh
07-11-10
This is a little off topic, but i too am currently listening ... Kenl
07-11-10
Hi kenl, yes,the reviews are pretty much true, the pass lab ... Elmerpoh
07-12-10
With your speakers i would not expect much of a difference g ... Pubul57
07-12-10
Are you running balanced or single ended from the bel canto ... Tvad
07-12-10
Though i did not say it before, i should have added that imh ... Pubul57
07-12-10
I went from the xa100.5 to the xa160.5. my speakers are a v ... Peterayer
07-12-10
Does the meter on the xa60.5 bump around alot? if it moves o ... Rtn1
07-12-10
Elmerpoh, how far from the speakers do you sit? is this the ... Tvad
07-12-10
Hi guys, thank you for all the inputs. hi paubl, as my sp ... Elmerpoh
07-12-10
i don't believe that's measuring decibels. take some measur ... Tvad
07-12-10
Elmerpoh, given your 91db and 4 ohm min impedance and the f ... Peterayer
07-13-10
Elmerpoh, disregard the suggestion to measure your listening ... Tvad
07-13-10
Tvad, could you please elaborate on your last post? you se ... Peterayer
07-13-10
"i was always told all speakers like wattages, the high ... Pubul57
07-13-10
hi pubul, my main dilemma is: given everything the same(i. ... Elmerpoh
07-13-10
Some pass x.5 owners will have to pipe in here, but for some ... Pubul57
07-13-10
If i understand your situation correctly you will have the o ... Onhwy61
07-13-10
I own a xa100.5 with wp sasha. before buying tha xa100.5, i ... Jpspock
07-13-10
I would expect the xa-100.5 to be "better" than th ... Pubul57
07-13-10
hi onhwy/pubul, my local dealer unfortunately does not hav ... Elmerpoh
07-14-10
The latest tas said the sasha is not an easy speaker to driv ... Keithr
07-14-10
Yup, i would think xa100.5 or higher, but those 100s are con ... Pubul57
07-14-10
Hi elmeroth, i listened the xa60 and 100.5 the same day on ... Jpspock
07-14-10
The plot thickens... Pubul57
07-14-10
Elmerpoh, i must have misunderstood you. i thought from yo ... Peterayer
07-14-10
Peter, is it your feeling also that the xa60s is more than e ... Pubul57
07-14-10: Jylee
A little late to the discussion here. I use XA-30.5 to drive my speakers with 91dB/w sensitivity and presents 4 Ohm load under 1KHz. I listen to music fairly loud, louder than most of my friends. Even that loud level is only around 80dB at the listening position - average. The musical peaks can reach 90dB and up. As to how the dB figures translate to the real world, at 80dB it is somewhat difficult to carry out conversation without significantly raising the voice. At 90dB you would be shouting to each other and barely hear them. Most my friends listen at 65-75dB on average. I assume that's the same for vast majority of audiophiles.
What that means is most people don't _need_ that much power in reality, unless the speakers are extremely inefficient or difficult to drive. But it's like owning a car. Most people don't need 500HP engine but we all want to.
Nelson Pass wrote about what it really means for an amp to transition from class A bias to class A/B bias. That's when the needle starts to move for Pass amps. The needle moving past the stationary position is not an indicator of the amp running out of capacity. The maximum power for XA-.5 amps are published elsewhere, and they are significantly higher than what the model number suggests. The maximum power is of course delivered in class A/B mode. Then the question is will someone be able to discern the "quality" of power delivered in class A mode vs class A/B mode of the same amp. That's a good question, but it's of no concern for me any more. The needle on the face plate jumping up and down was maybe a little bit entertaining in the beginning, for example during the canon fire of Tchaikovsky's 1812. But I came to the conclusion that my amp has plenty of power for me, and nothing good will come out with worrying about the class A vs A/B currents and needle movements. That way you tend to enjoy the music more.
Jylee (System | Threads | Answers | This Thread)
07-14-10
Pubul57, i think the xa60.5 should have enough power for el ... Peterayer
07-14-10
I bought a pair of xa160.5's based on a combination of audit ... Auxetophone
07-14-10
The comment from pass regarding the characteristic of the xa ... Tvad
07-15-10
hi peter, i am unable to have any head to head hearing of t ... Elmerpoh
07-15-10
A couple thought to consider, since you have a few weeks bef ... Auxetophone
07-15-10
If i were you i would contact pass labs directly and talk t ... Onhwy61
07-15-10
an excellent point, and an equally excellent alternative. Tvad
07-15-10
if the amp is going back to pass for repair anyway, perhaps ... Peterayer
07-16-10
Excellent and very valid points guys, i will need to have a ... Elmerpoh
07-16-10
Good luck! Pubul57
09-20-10
Elmerpoh, what did you decide to do? can you update us? t ... Peterayer
09-23-10
Hi peter, thanks for checking back. can you believe i am s ... Elmerpoh
10-21-10
Hey guys, just an update, finally my long wait for the xa10 ... Elmerpoh
10-21-10
Congratulations!! great amps with almost any speaker. Pubul57
07-30-11
I am curious as to which amp you chose. assuming that your ... 7p62mm
07-30-11
Elmerpoh, you never gave your impressions of the new amps. ... Peterayer
07-30-11
My speakers are 90 db efficiency. my amplifier provides 400+ ... Rtn1
07-30-11
I owned the 350.5 and the 250.5 at the same time, and for me ... Seabreeze
07-31-11
My current amp is an aleph 60w/ch. it has plenty of power f ... 7p62mm
08-01-11
7p62mm: "a couple of advantages that the xa60.5 has ove ... Pubul57
08-01-11
Hi guys, apologies for the late update, was tied up and sel ... Elmerpoh
08-02-11
"always craving for even more resolution, more speed an ... Rtn1
08-02-11
"overall, the music picture portrayed by the 100.5 is t ... Seabreeze
08-02-11
I enjoyed the xa100.5 very much until i bought a new pair of ... Peterayer
08-02-11
I would expect all those benefits when you move from an unde ... Pubul57
08-03-11
Good point pubul57. i've never tried my bigger xa.5 amps wi ... Peterayer
08-03-11
I still believe the monoblock argument about separation, tho ... Pubul57
08-03-11
Pubul57, i too have found that smaller wattage amps will ge ... Onemug
08-03-11
The man is on of the greats, and owning most any amp he has ... Pubul57
08-04-11
Nice comments pubul57 and onemug. i believe you need the app ... Charles1dad
08-04-11
I agree with onemug. somehow, the xa200.5 sounds sweet, deli ... Rtn1
08-04-11
Sounds like there may be no sonic price to be paid as you mo ... Pubul57
11-03-11
In terms of the more power means more complex circuit with m ... Lightminer
11-03-11
Light, maggies are generally not a bad load for a good amp l ... Magfan
11-03-11
Yeah - spectron - that is what i meant when i said spectral ... Lightminer
11-04-11
"are the 3.7s fused?" yes, 5 amp mid and 2 1/2 rib ... Hasse
11-04-11
Light: 'more power means more complex circuit' is not neces ... Magfan
10-25-12
Has anyone tried either the xa60.5 or the xa100.5 with the v ... Nicks
10-25-12
Nicks, i use a pair of xa-100.5s with my vandy 5as in a 14 ... Dmatt200
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