More watts or better power ?

How about better speaker placement/room enhancement?

You're realistically only using single digit wattage, nowhere near the amp specs.

Russ, I agree and that was my initial thought process. Does it make sense to go with more watts, having a system that sounds good now. Could I really take it to the next level with a bigger amp? Based on comments here, and my own thoughts, probably not cost effective. Like you said, the change would have to be big and it's not worth the $ at this point. I'll look at protecting my gear with isolation and conditioning. 
   PS, I sold my Parasound A21 to a friend and he's running it with a pair of Spatial Labs M3s. It sounds great, great amp. 

Thanks Twoleftears, as I said, my system sounds very good. I was just wondering, in my system, if upgrading to a higher watt amp could make a noticeable difference. Or at that cost, would I look at line conditioning as a similar upgrade instead? 

Regarding speaker cables, I assume that speaker cables have a lesser effect on sound quality than interconnects. And because I have to run my speaker cables down into the basement and then up on the other side of the room (20' - 25') I have not invested in high end speaker cables. If I put my amp near the speakers then I would need 20'-25' interconnects, which does not seem a better solution. 

"...Russ, I’m not saying my system is lacking and being held back, just curious about peoples thoughts on more head room vs cleaner power. The XA25 is rated at 50wpc at 4 ohms, which the Amators are. The amp is class A / AB and weighs about 50 pounds. It’s pretty beefy for a 25 watt amp..."

I believe the Pass amp is a fine unit and that even at 25wpc is producing enough power, if you are happy with it’s output. What a beefy power amp does for you is mostly in the frequency extremes. A big power amp adds weight to the music, even at low volumes, that’s what they do best. It would be a solid move up. I’m not suggesting that you are in need of more power but you are in need of the sonic change a powerful amp can supply. My LS50s sound way better with the Parasound A21 than they do with my little tube integrated and I don’t play loud. The other change you can make is better loudspeakers, that will also get you in the right direction.

P.S. You have a fine system so you'll need a big change to advance it to the next level, just saying. 

Check the Stereophile review of the XA25 to see how many watts it can really put out (in AB).  Given your speakers, the size of your room, and your volume levels, it is more than sufficient.  Plus, at least some owners familiar with PASS gear would pick the XA25 as the sweetest of all his amps.

I'm really not sure what itch it is you're trying to scratch.  A current deficiency in the system?  Just the need to try something new?

Adding a Puritan PSM 156 to my system made an audible improvement (unlike many other power conditioners).

If you just want to experiment, how about some Silversmith Fidelium speaker cables?

Thanks......

Russ, I’m not saying my system is lacking and being held back, just curious about peoples thoughts on more head room vs cleaner power. The XA25 is rated at 50wpc at 4 ohms, which the Amators are. The amp is class A / AB and weighs about 50 pounds. It’s pretty beefy for a 25 watt amp.

Three, I don’t know if I have bad power, how would I monitor and trend power in ? I like the Preamp, so not looking to replace that.

GHD, I am thinking more, that the amp is a good fit.

Rocray, I listen at moderate levels and crank it on occasion. Mix of rock and jazz, Pink Floyd, Horace Silver, Art Pepper, Mark Knoffler, Bill Evens, even some B52s, Pixies and Echo and the Bunnymen, (Green Day tomorrow at Fenway :) .... Although some of those 80s recordings are shrill.

Tvad, I’ve only had the BHK Preamp in the system for about 18 months and I am liking it, especially the ability to tube roll. I say mid-fi based on the craziness I see in other systems. I’m lucky to have what I have, I’m in my 50s and my hearing is not what it once was, so do I need a $10K amp? probably not.

What are your listening habits? (How loud do you listen?)  Personally, I would go the conditioning route,and also play with cabling a bit.  I also have a small main listening room,and a small to medium secondary room. I don't really care to make my ears bleed at this point in my life,so low power class A amps work perfect for me. 

Do you even know if you have an inordinate amount of noise on your line? Personally I'd replace the preamp - never have been impressed with the BHK. The Pass amps tend to run dead quiet and have excellent noise rejection.

Normally I think more power more better. But that is a sweet and outstanding amp. Given your system and location, I would try power conditioning to all but the amp. 

Well, I’m going to have to say that a 25 watt power amp is holding you back. I have a pair of 25 watt mono block tube amps that sound very nice but they each have huge power supplies and giant capacitors. 25 watts of SS power is not that much. A beefy amp would add some weight and fullness to your system. After that the next step is loudspeakers but you’ll have the power drive anything once you upgrade your power amp.

Sonus says minimum power for your loudspeaker is 35-100 watts. That is typically the 8ohm specification so you are below the recommended spec. 

Erik, I do like my speakers, and finding a better set, in a smaller size, may be too much effort. I do have good bass and treble, with the speakers alone, I am playing with a sub, just for fun. 

Verdant, no, the speakers actually have good balance. I do not have any power protection or conditioning,  I'll take a look at Furman. I did roll the tubes on the BHK Pre last year, and it did make a nice improvement. 

John, I'll have to research Nelson Pass on power conditioners. I wonder why he would object? 

Thanks guys, per my OP, my system sounds very good. I was just wondering if upgrades would make a meaningful impact. At my level of mid-fi, it really starts becoming a matter of diminishing returns on investment. I think I'll look at some surge protection and conditioning and maybe put my money into a new phono cart for the Concept :) 

Unless you hear some problems I would keep what I have. Pass is hard to beat. I think in some of his writing  Nelson talks against power conditioning for his amps.

Do you feel that the sound from the speakers is thin?  Especially at moderate volume?  If your sound is lacking weight, then an amp upgrade would make sense.  But this sill be very obvious.  

Those are very good speakers.  You can change them but you risk upsetting the dynamics of the system and creating a cascade of issues.  

It sounds like you don't have any line conditioning in place and that is probably something worth looking at.  Furman makes nice products.  I think for the money, Puritan might be the best on the market.  A PSM 136 is not crazy expensive ($1600) and will do a lot to improve sound and comes with a pretty good power cord.  

Are you using the stock tubes in the BHK or have your rolled in NOS tubes?  That will have a shockingly large impact and be at most ~$250.  

Those would be the places I would start.  

I think you are doing great and the only reason I'd change anything was if you found a better sounding amp or speakers.  Keep in mind that with a small room and limited locations once you have a good balance of bass to mid and treble you really can mess things up by changing speakers.

If you want to consider a power conditioner though, for a small bedroom system the Furman PST-8 is a cost effective and good sounding solution.

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