Planar Speaker Asylum

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Planar Speaker Asylum

Total capacitance is one thing

166.205.190.119

In Reply to: RE: Takes some sleuthing posted by E-Stat on December 20, 2022 at 13:16:44

Capacitance ESR is another.

If timm is buying used he doesn't have the benefit of a dealer bringing both choices out. If he is buying from a dealer all the better.

Follow Ups:

RE: Total capacitance is one thing - timm 04:03:36 12/22/22 (20)
Might someone explain the difference of capacitance ESR? And it's perceived 'betterness'? :)
- I don't know about betterness. - Ozzie 07:09:17 12/22/22 (19)
  ESR is equivalent series resistance. Basically it is an indication mainly how fast the capacitor(s) discharge the electrons stored. As statman mentioned the Pass 350 has the beer can caps versus the large number of smaller caps in the XA monoblocks. The theory is what good is simply adding more bigger caps with their inherent slower charge and discharge rate (ESR) if they are slow to react to a transient. Is this the reason why the mono blocks sound better to some? It is up to you to decide. In my book either Pass would likely sound excellent in your rig. But knowing Maggies, I'd go for the increased headroom of the X350. I have a small set of modified Maggies, and several Pass amps and a pre amp.
  - RE: I don't know about betterness. - timm 10:00:41 12/22/22 (18)
    Thanks for that explanation. So this is a similar topology as the xa amps you are saying. I also noted the 350.8 has 72 output devices / ch and the 260s have 40/ch.
    Doing more homework. The mono:
    Max output volts - 80
    Max output amps - 28
    Stereo:
    Max output volts 104
    Max output amps 35
    So I'm thinking the mono has 160 volts / 56 amps combined? Is that a fair assessment when comparing to the stereo amp spec?
    Btw. I really appreciate the responses. I'm not as knowledgeable as you guys in this area. Thanks. I have reached out to both pass and a dealer for added info etc. p
    
    Edits: 12/22/22
    - RE: I don't know about betterness. - FX35 14:22:51 12/22/22 (16)
      "Doing more homework"
      
      You can compare figures all day long....... figures never tell the whole story, the only "homework" you need to do is sit down and listen.
      
      If that's not possible, stop busting your brains and go with the mono's. I've never heard a stereo amp that could compete with mono's from the same company (given roughly the same level of class A and output), higher output may create more headroom, but most audiophile criteria's will be better covered through mono's running in a higher level of class A.
      
      With the higher output in class A combined with your medium listening levels the mono's are the obvious choice.
      - RE: I don't know about betterness. - timm 06:28:32 12/23/22 (14)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 22, 2022 at 14:22:51
        
        The interesting part is the monos actually seem to be priced less than the x350.8. I don't know how that is possible.
        
        RE: I don't know about betterness. - FX35 06:39:58 12/23/22 (13)
        
        In Reply to: RE: I don't know about betterness. posted by timm on December 23, 2022 at 06:28:32
        
        So you are talking about buying used ???
        
        A new pair of 260.8's cost more than a 350.8
        
        RE: I don't know about betterness. - timm 06:46:26 12/23/22 (0)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 06:39:58
        
        So the x350 msrp is 650 dollars more than the x260.8 monos. Which again I find odd.
        
        RE: I don't know about betterness. - timm 06:43:06 12/23/22 (0)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 06:39:58
        
        Let me double check that.
        
        RE: I don't know about betterness. - timm 06:42:10 12/23/22 (10)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 06:39:58
        
        I will buy used. But I'm referring to msrp. I believe the x260.8s are actually a little less than the x350.8.
        
        RE: I don't know about betterness. - FX35 06:50:47 12/23/22 (9)
        
        In Reply to: RE: I don't know about betterness. posted by timm on December 23, 2022 at 06:42:10
        
        Not in Europe, the 260's are almost 1k more expensive...-...-.
        
        RE: I don't know about betterness. - Hasse 07:19:43 12/29/22 (3)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 06:50:47
        
        Strange. Here in Sweden the X350.8 is slightly more expensive than the X260.8 monos.
        
        RE: I don't know about betterness. - FX35 04:42:52 12/30/22 (2)
        
        In Reply to: RE: I don't know about betterness. posted by Hasse on December 29, 2022 at 07:19:43
        
        Thats really strange....... makes you wonder why anyone would consider buying a 350 over 260's in Sweden??
        
        RE: I don't know about betterness. - Hasse 06:21:18 12/30/22 (1)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 30, 2022 at 04:42:52
        
        If you look at the prices at Overture Audio (https://www.overtureav.com/shop/pass-labs)
        $14.250 for the 260's vs $14.900 for the 350.
        
        RE: I don't know about betterness. - FX35 14:31:33 12/30/22 (0)
        
        In Reply to: RE: I don't know about betterness. posted by Hasse on December 30, 2022 at 06:21:18
        
        In The Netherlands the 350 cost's 19,186$
        
        the 260's cost 19,829$
        
        That makes more sense to me.
        
        RE: I don't know about betterness. - timm 06:52:52 12/23/22 (4)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 06:50:47
        
        Wow. So I see the msrp on the x350.8 as 14,900 and the x260.8 as 14,250 on multiple sites
        
        Makes sense - E-Stat 07:19:29 12/24/22 (1)
        
        In Reply to: RE: I don't know about betterness. posted by timm on December 23, 2022 at 06:52:52
        
        with marginally more power.
        
        I'd prefer the more robust output stages and power supplies of the monos. As you'd find in greater quantities with the $85k Xs300.
        
        RE: Makes sense - timm 12:02:08 12/24/22 (0)
        
        In Reply to: RE: Makes sense posted by E-Stat on December 24, 2022 at 07:19:29
        
        I agree with this EStat. Basically I was told the 260s essentially have the power supply of the x250 in each mono. I think that plus the 34 watts in class A is a winner.
        
        RE: I don't know about betterness. - FX35 07:10:43 12/23/22 (1)
        
        In Reply to: RE: I don't know about betterness. posted by timm on December 23, 2022 at 06:52:52
        
        Wow, I'm always baffled by how you guy's do business over there...-...- no one here would, for one second, consider laying down 15k without, at least, a 2-3 wk home trial.
        
        Common practice over here is that customers considering anything from footers to giant speakers have the possibility of a 2-3 wk home trial, otherwise your business is dead and buried before you're even started.
        
        RE: I don't know about betterness. - timm 08:14:46 12/23/22 (0)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 23, 2022 at 07:10:43
        
        And that imho is a much better way to do business. Dealers that ship in a lot of cases get a 10 day trial. But - if you don't like - you get to ship them back. :)
      - RE: I don't know about betterness. - timm 18:59:56 12/22/22 (0)
        
        In Reply to: RE: I don't know about betterness. posted by FX35 on December 22, 2022 at 14:22:51
        
        Thank you my man!! And I'm not a 'specs' guy really ...- but at the moment is all I got for a logical choice. I think you just pretty much culminated all of my mental masturbation in one sentence. :). I'm just surprised that the x260.8 mono doesn't seem to get more airplay.
    - RE: I don't know about betterness. - Ozzie 10:33:07 12/22/22 (0)
      Either one would be an excellent choice, as they will makevyour Maggies sing. Because Pass! If you've got the coin, go with the mono blocs, and don't look back.
RE: Total capacitance is one thing - timm 15:06:11 12/21/22 (0)
Pass labs dealers are far and few between where I live. Maybe there is one I need to check. I travel down to Florida several times a year and blow past Sarasota. I'm sure my wife would love to stop at suncoast audio?? LOL.

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