I'm thinking about buying a pair of Grado SR-60's, as a cheap open headphone. (Or maybe something even cheaper, and then I can throw in something closed too.) I figure, even if I get tired of it, I can justify it as a test to see whether open/closed headphones are even acceptable where I want to...

Is there a simple way to make my amp powered via the battery when no AC is available, but use the AC if it is plugged in? I was going to just put a two-way switch next to the AC socket, but maybe that is stupid.

What is that grease that coats all the new tools, e.g. wire strippers, electricians knife, etc. (I got them from Sears) Should I be greasing all my tools with the same stuff?

OK, here's another question for you guys: I've been looking into ways of magnifying what I see, partially to see the parts more closely, and partly to be able to sit further away from the soldering iron (heat + flux ugh..) when I'm working. I like the idea of clip-on lenses (loupes they're...

What do you guys think of this stuff: http://www.leevalley.com/wood/page.a...urrency=2&SID= http://www.leevalley.com/wood/page.a...urrency=2&SID=

I have this.. I think.. CMOY amp that JMT built for me a while back, and it takes 2 9V batteries right now. But, as I have learned a wee bit about electronics, I feel like modifying it to also let me plug it in to the wall. So I went over to Radio Shack and got a 15V (up to 1000mA) adapter --...

I was thinking about getting an analog multimeter, not necessarily for audio use. (but I bet I'll be using it on an amp eventually ) So, naturally, I look for the absolute best of the best to see what is possible, and I see that Simpson and Triplett have made the "industry standard" meters...

What would you suggest to transfer audio files on my computer onto cassette tapes? (some kind of cassette recorder with line-in, I guess?) All I have in my car is a tape player, so I need to put stuff onto a tape to play it in there. I probably want something on the less-expensive side of...

All right, I was just looking for some NiMH 9V batteries, and found the actual 9.6-volt batteries at thomas-distributing. However, they say that you should have a charger that has an output of at least 10.5 volts in order to charge them fully. I looked at my Rayovac PS9 9-volt battery charger...

I've listened to a few CD's with this piece on it (March of the Toreadors -- Bizet's Carmen Suites), but it's always just the instruments; i.e. no singing. Now, I usually prefer opera music without the singing, but this one just doesn't sound right without it. Can anyone suggest to me a good...

I was just reading old threads about ety seals, and I noticed what I think may be some really good advice. Someone mentioned that what he could do with a good seal is to sort of wiggle the ety back and forth in his ear, and if he can feel the pressure on the eardrum then it's sealed. (he said...

All right guys, I'm still figuring out how to put these ER-4's in. I'd like to have the opinions of a bunch of people here, on how much isolation you really get with the ER-4's. (Both when you are listening to music, and when you have them in but aren't listening to anything) I thought I had a...

When I turn my speakers on to max volume, I can hear a hissing sound. Is this completely due to what my sound card is outputting, or could the speakers be causing some of it as well? The reason I ask is because I want to actually see how much the EMI of my computer is affecting my sound card...

I was wondering, could I just get some 80-or so ohm adaptor cable to connect my sound source to an amp, then connect a er-4p directly to the amp and have the same effect as using an er-4s? Or does the resistor have to be between the amp and the headphone?

I'm thinking about getting a new sound card to replace my SB Live! Value. In an earlier post, I read that hissing/cracking from the Live could actually damage speakers. Is this a danger to my Ety ER-4S headphones? Should I pull them out right now? Anyway, I was thinking of getting some sort of...

I just got my ER-4S today. I must say, sticking these things in my ears is really no big deal. I guess I just didn't like the word "ear canal." Anyway, I've got a couple of questions about them. First, are these supposed to block out all (quiet) external sound? Because I can hear plenty of...

I was wondering, how do amps such as the porta corba compare to the larger ones?