I am a little biased as I set this up, but I really wanted Mikey to hear what these caps can do, he got a taste of it and liked it.
http://www.analogplanet.com/content/vc-audio-labs-mb-45-kt120-monoblock-power-amplifier-kit
You capacitor fetishist, you.
Good to learn about a nice kit tube amp. Thanks Mike
Mike ( Topround) was nice enough to lend me his RM9 modded with the Jupiter Caps. Up to now I have only about 50 hrs or so on the amp.
My system consists of a Primaluna Dialogue Premium preamp, Bryston BCD1 CD palyer, Bryston 4B power amp and my GTA2.5 planar hybrid speakers. Which now have active bass for all dynamic cone drivers, freeing up the power amp to drive only the planar and ribbon drivers.
Switching the 4B for the RM9 changed the presentation to more brains over brawn. This is expected as the 4b is unbeatable for sheer slam and high spl output. But the RM9 allowed for more delicate timing cues and leading edge transients to define the soundstage. I was surprised how easy it was to follow the bass lines, even at very low volumes. The transparency and resolution of the amp has taken a big step up.
Anyone in the area is welcome to come hear for yourself.
Greg
Yup, I'm glad I put them in my amp! 8)
And I will use the 100V version for my speakers too.
Quote from: DaveC on August 20, 2014, 08:02:27 AM
Yup, I'm glad I put them in my amp! 8)
And I will use the 100V version for my speakers too.
There is only 1 cap in my speaker, but its 24uf..I imagine that would be pretty pricey...Greg
Always knew you were kinky Mike, but a fetishist! Congrats on the mention, and getting Fremer to listen to something as innocuous as a cap. I guess on his blog he can do anything he wants. Not so with Stereophile articles.
We can always hope that the major mags will eventually take notice of the DIY side a bit more. For me materials matter, sonically. Designers know this as well, otherwise they would just buy the cheapest caps and all our equipment would have Solens in it! Thankfully most don't.
next up is Daves silver/gold wire.
keep an eye out for that
Mike, who installed the caps for you? Thanks.
Jim
I have a friend that is a audio tech, a new guy, who is very professional , reasonable and does absolutely the highest grade work yet! Local to me.
If you need anything let me know he fixes everything, I mean everything. And he tests the whole unit, measures it and brings everything into spec, you should see the micro surgery he did to my RM 9! No one, not even Roger would do what he did.
Mike
Quote from: DaveC on August 20, 2014, 08:02:27 AM
Yup, I'm glad I put them in my amp! 8)
And I will use the 100V version for my speakers too.
Anyone know when the 100V versions will be available?
They are available now but only up to 10uF.
And I need a 12uf. :(
Thanks Hugh.
You can always get an 10 & an 2. :)
Quote from: rpf on August 26, 2014, 05:20:37 AM
And I need a 12uf. :(
Thanks Hugh.
Yeah, unfortunately I need three 12uf caps per speaker.
Three tens and twos would probably take up too much space, even in the separate crossover compartment base of my speakers. :(
I could have an external crossover compartment made, which I've thought of: we'll see.
I am waiting for my caps to be wound for my crossovers, should be with in a month I hope.
Chris also has some silver gold wire that is in cotton that I would like to try as well....
Just helped a friend replace his deulands with Jupiter copper foils today, for you deuland cap users out there beware they don't fail.... some failures are showing up
QuoteEnter the Capacitor King!
I have this friend Mike who is capacitor-fixated. He's not alone. There is a universe of capacitor fetishists out there.
Just remember the big capacitor goes in the front and not the back
(http://christopherfountain.files.wordpress.com/2009/05/oldies_speedo.jpg)
Jim, is that you by the beach near your house? Having a good summer I see! Now put down the beer and get back to the gym. :duh
Busted :shock: It does look like my overly-generous backside; I'll have to switch to boxers. Take care, Bob
Jim
Coolio Mike, like you a big fan of part selection. Nelson Pass and Lew Johnson are also big fans of synergy and quality of parts.
Now PIO caps in general are colored warm. The Duelund CAST to my ears are more neutral in presentation overall. Finding the right combo of cap and tube used is must consideration.
For an example lets take my Consonance 211 amps. When using an RCA 211 the V-Cap was coupling cap was the Cat's meow. however when changed to a GE 211 you want to hit it with a hammer. Putting a Jenson PIO [ ceramic body ] the GE sounded great.
What I'm saying is no cap fits all. Another issue is break in. most do not properly break in the cap before deciding about it.
From my experience these large dielectric filled caps take 400 hours to stop changing. One can easily make a premature judgement and miss the benefit of the design. Be patient. Same for new components.
charles
I believe Bob M. has discovered this as well.
Charles I agree with you 100 percent...but that was before the Jupiter copper foil came out.
You should try it....you might edit your post
The other caps had colorations that we would use to season our sound, the Jupiter copper is so natural sounding it is as if there is NO cap in there, so if you don't like the sound of those GE's ....well maybe it is because they don't sound good.
Using a cap to flavor a tube I think is a bad way to react in audio,
tubes loose their sound over time, they change...the caps will change very little over time in comparison.
Try the Jupiter and forget breakin. Yes they will breakin but they sound great right out of the box.
All the speed and openess and refinement of teflon with all the natural tone and textural harmonics intact. best of both worlds if you ask me, no stripping of harmonics like teflon, much more like real music, less hifi
you should try them