I have a set of Etymotic ER-4S's that I love, but they become uncomfortable after about 60-90 minutes. I travel a lot, so I get plenty of sessions out of them, but for home use, I need a comfortable headphone. I also own Grado SR-225's and Sennheiser HD-25-1's, but neither produce the kind of...

I have been slowly assembling a meta for the past couple weeks, and last night I came close to finishing it. The problem I seem to have is I am getting DC everywhere. Im getting 9v on pins 1, 4, and 5 of the opamp and 1.5v on pin 2. Im getting about 9v on the output. I using two 9v batteries in...

is it just me, or does tangent have the new meta42 for sale on his site?

I just got one for 19.02 + 6.99 s/h on ebay from realcrazymo. He gives a disclaimer that all equipment purchased is AS IS, and that there is a chance the items might not work, but mine works! It is clearly used, there are dings and marks on it, but for 26 dollars shipped, its worth every penny...

I have seen some people talk about their portable battery power supplies in a few threads recently, and I would like to get a few more details. I am going to be building a mains powered +/- 12vdc power supply which connects via DIN plug on the amp. What I want to do is make a battery pack...

My PCDP is an SL-CT470. It is about 3 years old now, and I need a second PCDP. The 470 suits my needs exactly, so I am thinking that maybe I should just get another one. What is the difference between the one I have and the 570? I remember when I bought the 470 the 570 was more expensive...