Love Krell amps and looking for a 600

[MCLSOUND]

OK
I see that we can relate as it is hard with some of the fella's when they hear 95db being said.At my seated position(13feet from the speaker),I once measured 110db during a SPL test at my seat.I resulted a little etchy,metallic grain in the volume.I also did the same test with the 700cx/Wywires with much less etch/grain factor.The FPB 600c was also very good and I am sure I would surpass 110db.I will be trying a active system later this year consisting of 2-600's for bass and mid-bass(I was looking for a 300 but got a 600 for the same money)and the top-end will be experimented with(currently have a BAT VK 500).This is just for fun as I have all the gear available.
As for heat,if I am going to have 12amps pumping heat,it might as well be a 600.I can have 2 FPB 600's and a VK 500 running with less power than a single KSA 250(all at idle,not standby)

The end result is that most amps leave you wanting more when the time is right.Krells make you say ""Holy ****,thats crazy"" and for the few of us here,we love the amp and a half under one hood.

 

[A.wayne]

The KSA 250 is still a great amp with tons of power.But to compare to a FPB 600 is unfair,at least to me.I will say SQ wise,for $2500 used,they are a bargin
-lots of bass,deep and powerfullk
-mid/highs are a little etchy at big volumes but fine everywhere else.
If one listens at the 80-90db levels,it is all good,but so is the 300s.It is the 95db+ levels that let you know where the weakness comes out.

I cannot get past """HOT""" since 12 amps(1440watts) is nothing to sneeze at when you turn it on.

Agree about the KSA250 , a full re- cap upgrade and bias change is necessary to get rid of the edge, we actually reduced its class-a bias, turned it into a faster sounding amp with much smoother sonics. In stock form nothing special at all, this of course means not sending it back to Krell , but having it done by your own tech or yourself ...

I will also add if you are running your Krell at 8 or 4 ohms , you are not gettig the full benefit of its design , The older Krells come alive at 2 ohm and below ..

 

[A.wayne]

OK
I see that we can relate as it is hard with some of the fella's when they hear 95db being said.At my seated position(13feet from the speaker),I once measured 110db during a SPL test at my seat.I resulted a little etchy,metallic grain in the volume.I also did the same test with the 700cx/Wywires with much less etch/grain factor.The FPB 600c was also very good and I am sure I would surpass 110db.I will be trying a active system later this year consisting of 2-600's for bass and mid-bass(I was looking for a 300 but got a 600 for the same money)and the top-end will be experimented with(currently have a BAT VK 500).This is just for fun as I have all the gear available.
As for heat,if I am going to have 12amps pumping heat,it might as well be a 600.I can have 2 FPB 600's and a VK 500 running with less power than a single KSA 250(all at idle,not standby)

The end result is that most amps leave you wanting more when the time is right.Krells make you say ""Holy ****,thats crazy"" and for the few of us here,we love the amp and a half under one hood.

VK 500 , i could not sell my Pr fast enuff , talk about weak ....

 

[MCLSOUND]

I use ATC mids and they are awfull picky on amplification sonics,so I thought I would try something different.
I once had a Classe CA-400 running just my mid/hi and it was pretty crazy but just lacked in refinement at high SPL's.I had a Pass X250 and it was unique sounding but was to ssssolid state sounding on the highs.Simaudio was sterile and boring and Bryston brittle.
So still searching

 

[dcc]

That is interesting Lee. Do you use Cast cables in your system to have made the cable comparison

Actually I do. I have a pair of Evolution One and they are connected with both Nordost CAST and Argento Flow (I use the Argento Flow as interconnect throughout my whole setup). I much prefer the traditional cables. I find the Argento more detailed and balanced than the CAST. This is clearly the case with classical music. i sometimes switch to CAST for rock sessions.

Martin Colloms also preferred the traditional cables when he reviewed the Evolution One.

 

[Steve williams]

as I said before, I used CAST to connect my KPS25SC to my 750 mcx amps when I used it as a 2 channel system and regular Balanced interconnects when I was using my HT. The remote allowed for instant switching from one input to the other

 

[microstrip]

2014 Nobel prize in Physics - the blue LED

as I said before, I used CAST to connect my KPS25SC to my 750 mcx amps when I used it as a 2 channel system and regular Balanced interconnects when I was using my HT. The remote allowed for instant switching from one input to the other

Steve,

I choose your message to post about the 2014 Nobel prize in Physics “for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources” http://www.nobelprize.org/nobel_prizes/physics/laureates/2014/press.html .

Although I loved the the 25sc and the 750 mcx I must say that I hated their blue LEDs - too bright for a room with dimmed light.

As I am using blue LEDs for my work I was very pleased with this nomination.