Head-Fi.org › Forums › Misc.-Category Forums › DIY (Do-It-Yourself) Discussions › Maxxximum CAPacity Crack
New Posts  All Forums:Forum Nav:

Maxxximum CAPacity Crack - Page 2

Poll Results: Am I Hot or Not?

 
  • 40% (8)
    Fugly. I wouldn't stick that thing in my garage.
  • 60% (12)
    [drooools] Caps....soooo.....big.....
20 Total Votes  
post #16 of 27
Quote:
Originally Posted by kevin gilmore View Post

you really should use a few of these

http://gilmore.chem.northwestern.edu/bigcap2.jpg

Haha, Kevin, I initially thought about that HUGE cap when I initially was looking at Adam's post over at Bottlehead. That is one big mother!

 

I also saw this crazy tube amp build over at DIYAudio where the builder daisy-chained hundreds of vintage oilers, the thing must have weighed several hundred pounds. It's buried in the gallery somewhere. 

post #17 of 27
Quote:
Originally Posted by amcananey View Post

A cautionary tale.

THAT is hilarious!  Wonder how much all those parts cost.  For those who believe form follows function, this is not a problem...

 

UL

post #18 of 27
Thread Starter 
The big caps (the silver ones that are upside down on top, and the blue ones in back) were dirt cheap. $10 each (see the links at the bottom of my first post in that thread). The ClarityCap ESA 100uf were expensive. I forget exactly, but I think they were about $85 each, maybe more.
post #19 of 27

OK...price is not a barrier then.  Is the improvement of all those big round thingies (kidding) equal to the improvement when speedball was first added? (I am very much a form follows function type of a guy....)   Thought I will say I have not a clue how they are connected.

 

They do elicit a chuckle every time I see the photo!

 

UL

post #20 of 27
Thread Starter 
I don't think I can realistically quantify the change caused by one vs. the other. As I understand it, the Speedball helps ensure that the tubes are consistently operating at their optimum operating point, while the caps help to improve transient bass response in terms of speed and impact. Which one is more important? Dunno. I'd bet on the Speedball. But the caps in the power supply cost a whopping $30-40 to replace, and the supply of those big blue Icar caps is limited. I would jump on those while they are still available, then buy the Speedball when funds allow.

Regards,
Adam
post #21 of 27
Thread Starter 
To be clear: other than the ClarityCap coupling caps mounted underneath, the caps I bought were all about $10/each. If you just used three of the Icars in the power supply, it would cost you $30. I used two of the 100uf Temco oilers on top instead of a third 200uf Icar, so I spent about $40 replacing the caps in the power supply. That's why I said $30-40. The Temco caps are readily available new and not limited in supply. I was referring to the Icars beig limited in supply.
post #22 of 27
Thread Starter 
By the way, if anyone is looking for cheap, but excellent quality 100uf caps to use as coupling caps, Madisound is running a clearance sale on 100uf ClarityCap SA 630V. They are only $40 / each. That is an incredible deal, and that is also a limited supply offer. See here: http://www.madisoundspeakerstore.com/sa-cap-630vdc/claritycap-100mfd-sa-range-polypropylene-cap/

Note: I have used those exact same caps in my Bottlehead Quickie. They are probably at least 3x as big as the 250V 100uf ClarityCap ESAs I mounted under my Crack!
post #23 of 27

I think all the upgrades are awesome, but I REALLY think its time to start looking into ripping it all out and fitting it cleanly into a larger, better looking chassis that can hold it all.

post #24 of 27
Thread Starter 
I would, if (a) this weren't perfectly functional as-is (which makes it difficult to get motivated to rip it out), (b) I didn't have a backlog of 5-6 other amps I want to build or am in the process of building, (c) a larger case would fit into my headphone amp rack, which is already overflowing with amps, DACs and headphones as-is. But in its current position, the Crack is wedged in next to my DAC, with not a millimeter to spare. At some point, I will just give this one away, and build a new one.
post #25 of 27
Pick me, pick me;-) ;-)

Dibs on your Crack Adam, if you ever sell it.
post #26 of 27
Quote:
Originally Posted by amcananey View Post

To be clear: other than the ClarityCap coupling caps mounted underneath, the caps I bought were all about $10/each. If you just used three of the Icars in the power supply, it would cost you $30. I used two of the 100uf Temco oilers on top instead of a third 200uf Icar, so I spent about $40 replacing the caps in the power supply. That's why I said $30-40. The Temco caps are readily available new and not limited in supply. I was referring to the Icars beig limited in supply.

May I ask where you found the coupling caps for $10 and the icar caps for that cheap as well?

post #27 of 27
Thread Starter 
The ClarityCap ESA 100uf 250V were $85 each from Madisound. I don't know if they still carry them, but they are closing out their stock of ClarityCap SA 630V caps. 100uf caps are only $40 each while stocks last.

As for the Icar caps, check out the links at the bottom of the Bottlehead post linked to in the first post in this thread.

Best regards,
Adam
New Posts  All Forums:Forum Nav:
  Return Home
Head-Fi.org › Forums › Misc.-Category Forums › DIY (Do-It-Yourself) Discussions › Maxxximum CAPacity Crack