I have a Grado HP-2 with a poorly installed aftermarket cable (happened before I got them), and the connection between the cable and the driver has gotten loose in one of the earcups. Does anyone know a place that would be willing and capable at getting them repaired and/or recabled? Grado won't...

is it really gone and is it ever coming back?

so far I've been soldering all the wires from input/output jacks, transformers, volume controls, and other boards directly onto the boards themselves, and that kinda works, but becomes extremely annoying if I want to modify something on the board after it's been put in place or if anything blows...

Not exactly audio, I know, but hopefully there are enough real electrical engineers around here to be able to make some recommendations. I'm looking for a book (or a few books) covering tuned circuits, oscillators, rf amplifiers, modulators, filters, detectors, striplines, waveguides...

I expected this to be ready for Christmas, but some issues took (and some are still taking) a sweet time to get adequately resolved. It still isn't as perfect as I would want it to be, but when did such mundane little things stop a diy'er from bragging? So anyhow, it all started with a 26cm x...

My idea of spending this birthday was to mess around a certain HV amp. Turning 21 in Canada is not nearly as much of a deal as in the US, you know . It's been mostly a test-bed for Weebl. One channel only. The idea was to get some sound out of it and determine the temperature behaviour of the...

This is a side-project amp, made because it was simple, designed for the Staxes, and transformers wouldn't be able to handle Weebl. 2x 12AT7 + 6SN7 per channel, fake resistor current sources driven a few octaves beyond their power rating to bias the tubes (will possibly put some hv pnp goodness...

http://www.dieselsweeties.com/archive.php?gif=1&s=559

http://theregister.co.uk/content/54/27960.html http://theregister.co.uk/content/54/28009.html I'm kinda alright with that as long as no garbage is being put into the audio signal itself. But I suppose Meridian owners may have more to say about it. I wonder when are they going to start...

I haven't posted anything audio-related in a while, you know... so there: http://theregister.co.uk/content/54/27960.html

Anyone heard the thing? Any information about it, its features, comparisons with other players, whatever? I only know that it used to be one of the entry-level Wadia one-box models, but I couldn't find pretty much anything about it on the Internet save for some contradicting opinions about its...

After a few month of having that cord in my system, I tried replacing it with some monitor power cord that I had laying around and was very pleased with the result. VD cord to Arcam was making the sound real boomy and veiled. Yes, soundstage was noticeably wider with Virtual Dynamics cord...

http://www.demian5.com/ For the fans of seriously screwed comics out there. This thing is about two-three years old (I started reading it when brunching linked to demian from a dot in their copyright statement) but apparently many people still haven't seen it while it certainly deserves...

subj

Hello kids, The idea of building a Gilmore solid state electrostatic amp came to me out of nowhere about 3 months ago. I didn't have any electrostatic headphones, haven't ever heard them, and had no experience building an amp yet alone a high voltage one. I guess I was just really bored on...

(just a rant, I guess) Received Nik's HP4 today. To cut a long story short, the left channel does not work the way it is supposed to. It is overloaded all the time (on idle with no input signal that's RUMBLE, not some wussy `hiss`) and when I tried to put some music on, well, my left ear is...

Got these baby staxes today, overall impression is favorable especially after switching the tips installed by default for the included smaller ones. There are a few gripes but it's a bit too early to talk about them. However, just out of curiousity, has anyone ever tried to open/mod their...

I know a few people from San Jose will be coming there. Fancy helping a carless person?

Went to the Fry's today and got myself one of them `Heavy-Duty Step-up/Step-down Power Transformer` that can do 110->220 and vice-versa (they didn't have any transformers that take 120 as an input). And of course when I tested it at work, the output was 240V... So I'm wondering, is it safe...

Kevin Gilmore's amp for electrostatic headphones (http://www.headwize.com/projects/sho...lmore2_prj.htm) requires a +580V, +-350V power supply and he provides the schematic for such PS. The problem is that I could not find one of the transistors he uses (2SA1968) anywere. And while I know what...

Unbalanced cables are being discussed to death around here, but what about XLR-terminated balanced ones? Any decent cheap wonders like say the Outlaws? Any comparisons?

Now that I'm ampless and W2002 out of the phone jack on NEC just doesn't cut it and I know that HP4 will probably take another two weeks or so to arrive, I went and ordered myself some Stax SR-001 from audiocubes just to try them out. Then I found the Kevin Gilmore design for an amp for Staxes...

Nik (I'm getting HP4 from him) told me that he just received something that he called `thermal rubber rings for tubes` and apparently they improved imaging a bit and I can have that for a mere 48 USD (16 x 3 USD per piece). Anyone heard of such thing before? What particular kind of snake oil is...

Current owner of the EAR HP4 that I'm buying recommended me to replace Alps Blue pot that is used in there with Alps Black Beauty. Sure, I say, but what if my half-assed soldering job done with the tools in perflab (that are only there to do an occasional quick hack to help bring up a...

Anyone knows a good source selector device that I could use with EAR HP4? 3-5 inputs, one output, nothing fancy. A couple of balanced inputs/outputs is a plus, but not a requirement (I think EAR has a switch on the back that toggles between the ones it uses, so it's not a big deal).