So I found the short. Connected the dmm to the input and put it in continuity/beep mode. Started slicing around the input trace with an x-acto blade, and when the beep stopped, problem solved. Ti, this short escaped a 16x loupe and a bright flashlight. There was no reasonable way to visually...

Quote: Originally Posted by amb Crow, how about a careful visual examination of all solder joints and traces (under magnifying glass)? Progress. The short is between the input pad and R1. I have connected a wire to the input side of R1 and disconnected it from the board there. I...

Quote: Originally Posted by amb Testbench accident (whether you were aware of it or not)? DMM probes and other objects, useful tools as they are, could also cause damage in the most inopportune moments. Hmm.. my voltmeter thought 30 ohms was a short across S-D of the 74's. It...

Got another one for you guys. On my B22 Left channel, both 2sj74 jfets measure a short across D-S. Indeed, my input is short circuited; my 170's are both ok (4.5v across R9), and during the initial setup all the procedures went ok--the board still powers up and biases (output at least)...

Hi amb (or anyone who knows for sure): I will have a Dantimax relay attenuator between the input and my 3 B22 boards (AG config.) Should I connect the ground channel to the RCA jacks (at the signal grounded case) or to the output of the attenuator? What type of cable is best to use for...

If the b22 amp boards are in a separate, signal-grounded case, is it really such a bad idea to run about 12 inches of (unshielded!) cat5 as signal wiring to the pot--or must there be shielding? These b22 chasses can get large and this is the problem I'm facing. Pot extension shafts would be...

Has anyone heard from or received a kit from Jeff Rossel lately? His last log on here was 7/31/08 and I can't seem to get him on email. Maybe he's on a much-needed holiday.

Quote: Originally Posted by thejoneser I just hope Chesky's customer service gets better. I just had to file a credit card dispute claim against them. They charged my credit card and never sent my order. And over a one month period, they never returned my emails, and I couldn't get a...

Just came across this Stereophile article: Stereophile: Chesky Launches High-Resolution Download Store Apparently, HDtracks is offering Quote: thousands of titles across a multitude of musical genres as well as in-depth information about the artists and albums. When you purchase a...

I've read lots of scattered, conflicting info about EMI filters here on head-fi. Some like them while others hate them. To start, here are some points I'd love to settle: Are the higher current models usually better than the lower current ones (i.e. 20A brick vs 6A IEC)? Is it beneficial to...

Rather unsafe idea, but one could try bypassing the fuse altogether... assuming the fuse is the weakest link, maybe this would reveal the greatest contrast sound-wise.

Quote: Originally Posted by Epicurean I've been listening to my CK2III for over a week now and I absolutely love it with my Senns! The sound is quite 'neutral' and very detailed and good punch. The bass is in no way light but very tight and detailed. I actually think it outperforms my...

I agree with most posters here. It's amazing what this amp can do and what little attention it seems to draw here. I could go on all day about this amp, wait... I already have, posted a mini-review on this thread: http://www.head-fi.org/forums/f5/cav...ml#post3498469

Impressions Coming from more entry-ish amps such as the LD2++ and TW-J1, and hearing the anecdotal reports of the CKK3 being a "little" Beta22, I set out building it with sky-high expectations. I was not let down--my impressions follow, and please mind that all my impressions are relative to...

Quote: Originally Posted by ArtVark What would the disadvantage of this be? Is there noise when there is no source signal? Ton Whoops missed the questions. Relays are often used to protect circuitry/devices downstream (or up) from short-circuit damage, over current conditions...

Quote: Originally Posted by ArtVark My On/Off button died quite soon after I got my 2.5, now it's more or less permanently On. I don't really mind, except that the relays have a tendency to click off and on once in a while when there is no source signal. And that's irritating when I'm...

Wow. Just bought a few 24/96 tracks from Linn Records, including one of the Liszt tracks. Burned a DVD-A using "DVD Audio Tools". Most immediately I noticed the slam of the 24 bits of dynamic range--there's just sooo much headroom! Hopefully I'll get around to doing some AB tests as discussed...

Headphone out of the Kenwood KM106 power amp. This semi-vintage machine is a monster power amp, but it scales down its speaker outputs for headphones. The sound is uniquely warm, but I don't use it much due to a disturbing DC offset, which seems common in devices unintended for headphone use...

Quote: Originally Posted by amb If you must . . . I find refreshing your practical perspectives on this hobby and its potential frivolousness that I've observed here and on threads over at headwize.... You clearly know your stuff as this is IMO one incredible amp. I can't thank...

Quote: Originally Posted by zigzag One thing I did notice and read about is the varying voltages and how the h/s help minimize this. Oh like you wouldn't believe. At first I had 4 individual heatsinks and it was tough keeping it around 30ma--drift was crazy etc. Then I chopped up...

Zigzag, glad you're enjoying it now! I was recently reading about some other guy who found it fantastic only after replacing the input JFETs with BJTs. Out of curiosity, how many milliamps of QC did you tune your original transistors to? I quite liked the amp at the suggested bias w/HD650s, but...

Quote: Originally Posted by fran I'd love to know how it sounds! €250 or €300 - squeezebox territory too. Fran Might not have to wait long. Trigger finger is getting shaky. I just love the flac/HDD support. Personally I'd love to mount/install a usb hard disk inside of the...

I found this while digging around for my "ultimate transport"--a device which can play FLACs off an external hard drive and output LPCM on COAX, all via a nice GUI. http://www.gearbits.com/archives/200...earstre_1.html Hardly a Squeezebox killer--it has some usability/aesthetic issues (see...

Quote: Originally Posted by jwilldermood X2 If it will play my AIFF files I am sold. X3. If FLAC can be played off a USB drive and output thru the coax... anybody have a pdf/manual? This could be a great HDD transport.

My pleasure, jholtz! Always happy to help another head-fier deeper down the rabbit hole. Warm fuzzies.... Cheers, Scott