I was measuring the output impedance of output sources at my disposal, discovering that my laptop headphone jack has a rather high output impedance, explaining why my Porta Pro sounds a good bit boomier than out of other sources, due to its impedance spike at 100hz.   I had the idea that it...

AKG K545 Review   Preamble   I was on the search for closed, portable circumaural headphones that would be driven easily by weak sources like smartphones - I commute often by train, and as much as I love my Koss Porta Pros, the lack of isolation forced me to look for something else. I've owned...

Hey,   This place is kind of nostalgic because it was my very first online forum for my first hobby... well, second forum because in fact I was there at the very start when Headwize (run by Chu Moy, the CMOY amp guy) began shutting down and Jude set up this place to cause a mass exodus to this...

Hey, it's been a very long time since I've visited these forums...   I was wondering if a technically minded can help me with this problem - I've recently purchased an old HK PM 640 integrated amp and one side of the balance control is defective. Playing with the pot can result in getting the...

Scary experience: Just the other day i pulled out my etys er-4s, albeit rather quickly, and then suddenly I get a bit of shock. Oh god, what's happened to my hearing in my right ear??? Can't hear a damn thing... The triple-flange tip had slipped off the IEM, and got stuck in my ear. They...

Bored, not terribly interested in building anything fancy, so wired up another CMOY (my first in like, years and years). 24V switching power supply (yeah I know, but what can I say, I found one in my basement, so it's free! I bet it still sounds better than a single 9V battery), 470uF power...

I know most of you know of him, but just in case you haven't had a chance to admire his work, and if you do DIY and enjoy it, you should bookmark this page. This man's got the SPIRIT of DIY, and does absolutely beautiful work, so the link to his page deserves to be reposted. Sijosae's DIY...

It's been a while. Lots of new faces about... In case you don't know who I am, I've been around since the dawn of Head-fi, from the time when Headwize suffered a horrible downtime way back, like 7 years ago, and I was one of the original migrants to the new site that Jude set up (sorry Cmoy, I...

Intro A Head-fier recently PM'd me about the differences between two CD portables that I own... and I couldn't give him a good answer right away because quite frankly, these two CD players have been collecting dust lately due to the fact that I haven't been doing any portable listening. I...

Right now, I've got this as my "temporary" main setup: iBook G3 -> M-Audio Sonica w/ modded analog section -> META42, pretty much as maxed-out as you can get -> Equinox equipped HD600 I was using a Sony D-35 classic PCDP as my main source up until weeks ago, this is quite a bit better...

I'm just sitting here listening to Brahms' Fourth Symphony and the damn hairs on my neck won't stay down in the second movement, literally. Brahms seems to do that to me pretty consistently. Beethoven when it's played right. What's your most recent "goosebumps" moment?

Like, old threads are cool. You can refer back to them 'cause some of them contain valuable information from people who might not post here any more. But to have them resurface to the top is both confusing, and usually not nearly as useful as a fresh new thread. So what if old threads got...

I just modded the Sonica as per Wodgy's suggestions (replacing the output caps with Black Gates, and getting rid of the rest of the output stage) and I'm really happy with the results... very much more detailed sound. But I have one concern: When the Sonica is disconnected from the amp...

http://www.millersmiles.co.uk/identi...-ebay-scam.php EDIT: The above is NOT the link to the actual scam, but to a "public advisory" page on the subject. I received this email this morning. I was even dumb enough to click the link. Luckily it didn't work (maybe 'cause I'm on a Mac?) and my...

... for the second time. Originally, it was in an ugly Pactec case, then I moved it into a nice Hammond box, big enough for an 8xAA battery pack.. but I ended up never using the battery pack, so I was thinking hey let's put it in a smaller case. Being the unimaginative self I am, I just moved it...

I ask this question, because despite my efforts to be as "real" as I can online, I constantly find myself posting things that I'd probably never say in real life. I'm a really shy guy in person, and I've bene described more than once as being "hard to approach", "keeps to myself", so on so...

Ok, so I just bought an M-Audio Sonica recently for my iBook. I just started playing with the settings today (using this on a Mac, BTW), changing between 44.1khz/16bit and 24/96.. And I'm hearing a REALLY significant difference.. First of all, soundstage has so much more depth; without...

Alright, I've got a MINT amp here that works apart from noise that happens when I turn the pot past 3 o clock. It starts with a "click" sound around 3 o clock, then when I turn it more, I hear swishing sounds, the kind you hear when you're trying to tune a radio. I've changed the pot...

Sorry for posting two threads, but I thought a poll would be much more informative... If you selected, "I don't want a switcher", don't tick any of the other options... Please select ONE RCA input option. Tick the mini jack option if you REALLY want a minijack input. Tick ONE output...

Is there anybody here interested in a high-quality-but-affordable source switching device? I know RadioShack carries a switcher, but it's crap-- the inputs reportedly leak into each other audibly. An hi-fi alternative is the Headroom SwitchBox which costs a pretty hefty $160. What if...

... especially true if you're a Mac fan. http://www.overclockers.com/tips1133/ A terrible, terrible crime.

http://cgi.ebay.co.uk/ws/eBayISAPI.d...ory=48679&rd=1 Unbelievable. I mean, it can't be THAT much better than the D465 I just picked up for £15, right? I wonder what tedde_l's max bid is...

I know a lot of people have used Canare's Star Quad cables for DIY cables with great success, but they seem to sell for over double the price over here in the UK. I found a possibly suitable replacement for it at www.rapidelelectronics.co.uk ; it seems to be the same Star Quad design, from what...

Quote: Originally posted by MERTON done peeing! i even washed my hands.. heh After I read that, I had this flashback: About a couple months ago, I was washing my hands in a public washroom. A guy walks in, finishes his business in the urinal, and heads for the door and I'm...

So I've got an HP Deskjet 842C printer from a couple years back. Still prints great, but the ink seems to run out much sooner than it used to. See, some of the newer HP Deskjets appear to use the exact same cartridges apart from the different electrical contacts at the back which connects to...