Hello,   Working on a little "hearing aid" project.   The mic will be on the same board as everything else so it's not a matter of long cable runs and picking up noise on the way etc.   I have a question about how the different stages should be laid out.   Currently I have been...

I see tons of posts on HF with love towards the Clip Zip. It does look like a very nice value player. Really!    But if I go on Amazon, nearly half of the reviews are "Died in 2 days" "Dead in the middle of a song" "Wont Turn on".   This sounds very much hardware oriented, to me at...

Hi,   I'm starting a new project with microphones and some long range microphone listening devices. Yadayada...   Well amidst this, I thought it would be neat to make headphones for the project...well, just because.     So I'm sure there are resources around. Does anyone have any...

Hello all,   I know this looks long, but I've tried to make it easy to read and descriptive. Please give it a chance.   I thought it would make a decent project for those of us with family members or friends with bad hearing...or perhaps yourself. So I'm trying to design a cheap...

Does anyone else have a problem with Spell Check? I see mispelled a word because it has a red squiggly...but when I right click, I get a drop down menu, but no options to change it.   So...maybe we should get some Spell Check happening?   Running Firefox 5.0 beta...just incase that makes...

Hello,   I'm working on a non headphone amp. A fairly enormous LM3886 x 2 + LM4780 which will make a 200W+ 2.1 setup for my computer. One of the preamplifier boards is going to use a +/- 6V transformer (effective 12V)...More on that in a second.     My front panel headphone jack on my...

So I decided to jump on the cMoy bandwagon. I've really been liking the idea of prefabbed PCBs for builds. You still get the enjoyment of sourcing your own parts and putting it together, but you don't have to worry about layout or crappy connections. Maybe some of you prefer to do it all on your...

Hi,   On older computers, the forum seems to be painfully slow. When I scroll down the page, the hard drive goes crazy, as if it has to buffer something. There's a 1 to 2 second delay before it actually scrolls. The computer is quite fast on any other site. Maybe we could make the forums a...

Hi, I just bought a cheap pair of Sennheiser HD201s. They sound great to my ears, (for the price). But they have a ridiculous 6 foot cable which is way too much even for most studio use. So I'd like to recable it, which actually seems to be pretty easy. Pop off the foam pads, unscrew it to...

Hi, I'm in the middle of an LM3886 build, but I realized as I was on my electric drumset today that I have no way to record to my computer. The headphone out to the microphone jack on my computer makes it super distorted, so I was curious as to whether or not there was anyway to get a MIDI...

Hi, I'm building an LM3886 amp and for the power supply section, I need 2 10,000uF caps @ 63V. Snap in configuration is preferred. For the main bulk capacitors on an amp's power supply, would it make any noticeable difference if I used cheaper $7 Nippon-Chemi-Con KMH capacitors vs using. $18...

Well....Maybe you saw my thread on the Logitech speakers overhaul. It seemed to work alright, but I think my luck finally ran out, and now they do not. Trust me, I've gone through every possible thing...   So now I need some PC speakers. I have 2x HiVi M4N Midbass speakers already so I'll be...

Well, I stupidly ordered an 8ohm speaker for my 4ohm amp. I sent the seller and email and hopefully they'll be able to cancel the order... That aside. For loudness and quality of sound, would it be better to have 1x 4" 4Ohm subwoofer or 2x "3 8ohm subwoofers? So 1 sub that's 4 inches...

Panasonic has a new line of low impedance capacitors called FR which is supposed to have lower ESR than FM/FC. It's very new. I just ordered some to replace capacitors on a motherboard. They seem to work well. Does anyone know how they perform in audio? Like FM?

So,   I have a cheap piece of crap Logitech 2.1 setup for my computer. Don't hate on it please. It cost me $30 and for the most part, it does well. However, I was wondering if there are any general amp mods that I can do...?   I have heard that increasing the capacitance on some of the...

It's been a while since I've been on Head-Fi. I just finished my LM386 battery amp...and it's pretty cool, but I think I'm capable of much more. I'm trying to get all the parts together for an LM1875 amp. I'm hoping to couple that with a HiVi full range driver.   Because of it's wide input...

So this probably way to vague of a question. However, I am curious to hear some of your opinions.   My friend is a music fanatic. I finally convinced him to improve his audio setup after 10 years of using onboard sound and $10 speakers.   His new setup consists of an ASUS Xonar DS sound...

So you might have remembered my thread asking about good portable players. It was suggested that I get a Clip + and as much as I like the idea of a cheap high capacity player, I do appreciate the iPod Touch's UI and functionality.    I have quite a few questions. If you can answer just one...

Well I have my collection of assorted audio goodies, but it seems I am forgetting about the good old reliable radio. FM that is. I know how to make an AM radio. I learned that in about the 3rd grade, however, I've never tried with FM.   I wanted to try to make a really simple and cheap FM...

HI everyone,   As much as I like the simplicity of my iPod Nano, it lacks a couple of things. For one, mine has a whopping 8GB capacity /sarcasm which holds about 15% of my audio collection, which is simply depressing. However, that is not the player's fault. That is my fault for buying...

Hi, I have a quick question(s) maybe someone knows the answer to. I am attempting this circuit which is a reference design straight from the datasheet. I don't really understand how amps work all that well so I was hoping someone could sort of explain it, though it doesn't have to be...

Hi,   I'm building a simple 1A power supply for some simple amps I am going to be making. So I am looking for transformers, which is the only thing missing from my shopping cart.   I need a transformer with about 2A on the secondary coming from 115-120VAC but all of the transformers on...

Hi,   I was originally set on building a headphone amp but after analyzing the situation, I determined it would not be exactly suitable as my Sennheiser CX300s have small drivers and don't need too much power.   So, I've switched over to a basic LM386 amp as I just want to familiarize...

Hello,   I am new to this forum, so hello!   I am trying to put together a Cmoy. Everything seems pretty straight forward but something that is really bugging me is the potentiometer that will be controlling the volume. I've heard a lot of buzz about the Panasonic EVJ pots. However, that...