Thiel Owners

I have had my used BAT VK-250 for about a month on the 2.4’s. It is such a nice amp for those speakers. So cost effective to,1800.00 with a factory check up. If that helps anyone looking for a nice combination to explore on a friendly budget.

I wanted to ask if anyone has the diagram for the crossovers of their 2.4’s ? Rob sent one to me at one time after I had sent him my bass driver to check out. That was over 2 yrs ago and I can’t find it. I want to at least replace resistors on the xovers now and I just wanted to see the values and locations. And if someone has a recommendation for resistors I would appreciate that also. And then I think to myself while am on that, maybe caps also. But I remember one cap not being able to find the same value in a after market cap. I will have to work on finding that I would guess.

Thank you for any help you could provide.

marqmike

Good to read that you are enjoying B.A.T./ Thiel CS 2.4 combo.  Stay tuned until one of our DIY experts chimes in to address your XO query.

Happy Listening!

Just in case anyone is interested, updated my Virtual System in Audiogon to reflect the changes that I have made over the last few years. These include some significant upgrades to my digital signal chain.

https://www.audiogon.com/systems/11920

jazzman7

Thank You for the update.

Happy Listening!

All -

jazzman7 brings up a great point. If you have not made or upgraded your Virtual Systems page, please do so. We work incredibly hard to acquire and build these Audiophile systems. Why not show it?

Happy Listening!

@tomthiel Reading your post reminded me that I *did* compare with and without biwiring (via that Cardas jumper plate I later sent you). I preferred the sound of the biwire configuration but, yes, it was the binding posts and/or Cardas hookup wire that made the biggest sonic difference.

beetlemania -

Biwire is a special case. There are theoretical and empirical advantages. I've gotten good results with internally-biwired cable (in the same jacket). Problems arise with separate runs that the speaker designer can't control. An individual can evaluate including their own preferences. Also, there are upsides to single-wiring including avaialbility of all the conductive cross-section for big transients. Etc. etc. etc. Wire is a maze as well as amazing. Tom

beetlemania

Thank You for your DIY hard work on making the CS 2.4/2.4SE loudspeaker, better.

Happy Listening!

tomthiel

Agreed, Wire IS amazing!   Happy Listening!

I have been considering buying a class-D amp for use with my Thiel CS3.6 and CS2 2. I have focused on the NAD M23 and Bel Canto REF501S amps. Does anybody have experience with these or other class D amps?

I am picking on these models because they advertise minimum impedances of 2 ohms.

Thanks

agdrago

A capable amp's power specs should read something like:

- 100W @ 8 ohms, 0.1% distortion or less 20Hz - 20kHz, both channels driven

- 200W @ 4 ohms, 0.1% distortion or less 20Hz - 20kHz, both channels driven

- 400W @ 2 ohms, 0.1% distortion or less 20Hz - 20kHz, both channels driven

- Stable at 1 ohm

Amps whose specs diverge much from the above template may sound just fine, or even fantastic, paired with high-efficiency speakers.

But amps that will convincingly, authoritatively drive large, low-efficiency floorstanders with unforgiving impedance curves ought to be able to deliver 150A current peaks, not 15A.

@devinplombier

Peak current measurements should be in the range of 150 amps not 18 to 30?

Am I correct in assuming this spec alone conclusively makes class-D amps inappropriate for use with the speakers in question? I am somewhat shocked at the response I had from manufacturers when presented with this very question.

I was asking the question looking for a response as to how well received/pleasing is the result of the pairing...sounds like no one does it because it is a bad match.

Is there a list of amps people feel meet electrical and real world listening criteria - favorite pairings?

agdrago

Bel Canto is a sonic match. Not sure about NAD amp(s)? Anthem is another Class-D consideration. Keep me posted as you audition these brands.

Happy Listening!

agdrago

Specs are a quick way to whittle down dozens of possibilities, but they're just one factor in a complex equation. Nothing replaces an in-home audition, with your components, in your listening room.

Happy listening!