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Old 6th December 2015, 05:14 AM   #1
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Default Pass labs SR-1 speakers which pass amp??

Hi everybody,
I am looking for a piece of advice here on pass labs amplification.
I currently own pass SR-1 loudspeakers, and I used to have pass x350.5 amp,which I found a bit small to drive the sr-1, so I sold it ....
Now I am on the market for xa200.5 or x1000.5.
I know xa200.5 is 200W@8 and 400W@4 but the current according pass labs site almost doubles the current cababilities of the x350.5
Of course I am considering the x1000.5 version ,but I am a bit attached with class A fluidity...
on the other hand as x1000.5 will produce 80W pure class A and it will have a reserve of another 920 W for Dynamics and bass control&drive ,which I assume SR-1 needs as its closed construction..
Anyway I cannot get both (or even one ) for audition as our distributor has only x350.5 in stock.
I will appreciate very highly any thoughts ,as even if I decide to travel in western EU ,there are no known distributors which have this combo in stock .
and of course the most trusworthy opinion will be from (the one and only)
Mr. Nelson Pass
thx in advance!
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Old 6th December 2015, 06:25 AM   #2
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3 to 5.5 Ohms. 86dB/2.83V
Not an easy decision.
Both should do the job.
I would want to audition both before making a decision.
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Old 6th December 2015, 07:55 AM   #3
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Yeah I want an audition also ,but sr-1 x1000.5 and xa200.5 in one place....
btw a dealer told me that xs150 are not enough also ....
go figure.
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Old 6th December 2015, 11:24 AM   #4
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if you need that sort of power for SR1 , in your place .......... then use bigger speakers

they aren't for PA use ..... so I'm assuming problem isn't neither in SR1 nor in amplification

I heard them with XA60.5 and that was completely enough , at least for my liking
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Old 6th December 2015, 11:49 AM   #5
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Quote:
Originally Posted by hifi76 View Post
Yeah I want an audition also ,but sr-1 x1000.5 and xa200.5 in one place....
btw a dealer told me that xs150 are not enough also ....
go figure.
It seems that dealer is wanting to sell moar expensive amp only...
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Old 6th December 2015, 01:17 PM   #6
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350W a channel will do 110dB@1m per channel. How much louder do you expect to get?
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Old 6th December 2015, 02:39 PM   #7
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110db ...I dont know how many decibels ,but there was frequently need to push the volume up to make the speakers sing and instead they started to scream ...And dont get me wrong I listened the combo and enjoyed it very much ,but I am completely sure they want more power&control to shine.
Anyway I am not willing to change these beauties ,before trying to give them the right amount of amplification to listen them from the first watt to the last with pleasure.
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Old 6th December 2015, 02:53 PM   #8
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hmmm, I told a bit small for the x350.5 (first post) in terms of control , low level detail ,bass also .At higher levels the sr-1 started to scream a bit ,and that was not their problem, but amplification and I am completely sure about that.Btw they were best at middle levels .
I dont know why we are talking about PA and xa60.5... Its a matter of taste ,and I confess I am amp freak - there are many music lovers who share that ,the beast amps sing in whole another universe (at low levels also...) maybe you should try it?
ZM?
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Old 6th December 2015, 04:07 PM   #9
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I believe that Papa is One and Only around , who can give you proper comment .....
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Old 6th December 2015, 05:04 PM   #10
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Quote:
Originally Posted by hifi76 View Post
hmmm, I told a bit small for the x350.5 (first post) in terms of control , low level detail ,bass also .At higher levels the sr-1 started to scream a bit ,and that was not their problem, but amplification and I am completely sure about that.
How are you sure? You could have been driving the speakers beyond their comfort zone, or even overdriving the room (does happen). But you are convinced, and it is your money.
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