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A Very Compact Hybrid Amp - Page 105

post #1561 of 2213

Thanks !!

I'm new to the DIY forum but I've been following this and the other CTH thread for a few months now, usually reading them daily if not more often. Amazed at the knowledge and skills that you guys have, far beyond my capabilities. But I was intrigued by this little amp and wondering just how good it really was. Well yesterday I got a package in the mail and found out for myself....I managed to acquire one of rds' builds, the one with the auricaps. The build was top notch of course but I wasn't prepared for the sound that came out. You all weren't exaggerating!! I haven't had any experience with really high end amps, mostly entry and mid level, but this is clearly head and shoulders above anything I've heard. I orginally put in my BB 6dj8 ( I'd been collecting various tubes off eBay for a month or so) and WOW...lush lush midrange, tight base and extended highs, great soundstage right off the bat but what floored me was the definition and clarity. And it wasn't subtle either..It was immediately apparent that this is one great sounding amp ...There was no "I think I hear a difference" it was a definite WOW ...Well yesterday was a complete right off...I've been switching tubes and headphones like a kid at Christmas and this thing is SWEET...

I happened to mention to the wife (who really likes the looks of it) just how amazing it sounds and she quickly retorted "Great, now maybe you can get rid of the others" And you know, altho I hate to admit it, she may have a point...

Anyways, I just wanted to thank everyone associated with the development of this, especially to runeight and cfcubed, and to rds for an absolutely stunning build.. This is one amazing piece of kit...

post #1562 of 2213
Thread Starter 
Glad you like it!! And you're welcome (from all of us).
Dr. Cavalli gained notoriety with his first DIY amplifier projects. His success has blossomed into Cavalli Audio, a world leader in amplifier design.
Reply
post #1563 of 2213
Quote:
Originally Posted by Billyk View Post
Only thing local to me is Rat Shack...
Thanks, though, I think I have one on the hook.
On the way!
post #1564 of 2213
Trapper32 - Happy you have discovered the sonic virtues of this amp. Enjoy!
post #1565 of 2213
Quote:
Originally Posted by Trapper32 View Post
The build was top notch of course but I wasn't prepared for the sound that came out. You all weren't exaggerating!! I haven't had any experience with really high end amps, mostly entry and mid level, but this is clearly head and shoulders above anything I've heard. <snip>
Anyways, I just wanted to thank everyone associated with the development of this, especially to runeight and cfcubed, and to rds for an absolutely stunning build.. This is one amazing piece of kit...
Thanks for the thanks... It's good to hear things like this
Enjoy!
post #1566 of 2213
Am sure you guys will be hearing from the folks who will be receiving these soon expressing their regards as well.



Cheers,
Sachu

p.s: my total CTH build comes to 9 with these 5. Took me a good 13 hours to stuff all 5 yesterday.
post #1567 of 2213
It's a little Christmas tree of amps - in June!
post #1568 of 2213
Quote:
Originally Posted by wiatrob View Post
It's a little Christmas tree of amps - in June!
Yes, and it will be the proverbial Christmas in July (or even sooner?) for some of us!!!!

As long as Sachu can keep up his John Henry routine...
post #1569 of 2213
Sachu is a madman on speed!
post #1570 of 2213
Quote:
Took me a good 13 hours to stuff all 5 yesterday.
Well I finally started my build. Been about 12 hours so far and I just have the resistors and diodes completed. Been double and triple checking, not my usual methodology, but everyone says take it slow... so slow it is. It's really hard to wait though.
post #1571 of 2213
Quote:
Originally Posted by Billyk View Post
Well I finally started my build. Been about 12 hours so far and I just have the resistors and diodes completed. Been double and triple checking, not my usual methodology, but everyone says take it slow... so slow it is. It's really hard to wait though.
My method was to stuff all components for 3 boards at a time so thery are all uniform and am not looking at the BOM and silk printout every time i put in that ressitor on a board. It is handy to populate them all together..saves a bunch of time for sure.
post #1572 of 2213
Quote:
Originally Posted by sachu View Post
My method was to stuff all components for 3 boards at a time so thery are all uniform and am not looking at the BOM and silk printout every time i put in that ressitor on a board. It is handy to populate them all together..saves a bunch of time for sure.
I am sure it does!
I usually knock stuff out fairly quickly, but this is a really dense board to say the least. I am finding it very enjoyable and the concentration relaxing. I put a Dead show on, plug in my IEMs and I'm good to go.
Darn, this is way to much fun!
post #1573 of 2213
Quote:
Originally Posted by Billyk View Post
Been double and triple checking, not my usual methodology, but everyone says take it slow... so slow it is. It's really hard to wait though.

It is hard to stress the slow and steady approach enough, most, if not all problems have been caused by components in the wrong spot or the wrong orientation(diodes especially). Extra time now will be time well spent if you can avoid having to do any troubleshooting, there is not much room if you have to start probing around and desoldering parts on such a tightly packed board is no fun.

It will be well worth the wait when you finally get to hear it!
post #1574 of 2213
Quote:
Originally Posted by Trapper32 View Post
... I haven't had any experience with really high end amps, mostly entry and mid level, but this is clearly head and shoulders above anything I've heard. I orginally put in my BB 6dj8 ( I'd been collecting various tubes off eBay for a month or so) and WOW...lush lush midrange, tight base and extended highs, great soundstage right off the bat but what floored me was the definition and clarity.

Trapper - please share more of your tube impressions when you get a chance:

http://www.head-fi.org/forums/f6/cav...thread-417322/
post #1575 of 2213
Is there anyone out there who has screened the leads of C4R and C4L? And if how?
Screen must be connected to SG, or not?
Greetz Ava
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