I own both a Pioneer DV-575A and a Toshiba SD-340E. Both have been slightly modded and are mainly used for audio playback. I think the DV-575A is the better player when compared to the Toshiba SD-340E, even when considering that it costs about twice as much: For CD playback I like the...

Quote: In parallel, the -'s are connected and the +'s are connected. This way, whichever battery you go through, there's only +9V, to 9V - but current flows separately through each battery, so you get double the current capacity. That's only true in theory. In reality no 2 batteries...

Quote: First, you do see that this is what R3G exists for, yes? To balance the input offset currents. Yes, I see. I just figured that although not strictly required for jFET Opamps, it's probably still a good idea to balance input resistances anyway. EDIT: Now that I think about...

Anyone here ever used a bipolar Opamp in the PIMETA ground channel? If yes, what was your general impression? The reason for me asking is that that I don't want to invest into an OPA627 for this without first trying some Opamps I have left from another project. From the circuit it looks like...

Quote: Does anyone know if measuring Idss "the wrong way" COULD have harmed anything if done wrong ? (i.e. gate and drain is shorted instead of gate and source, connect the negative side of a 9V source to them, putting the amp-meter positive lead to the plus pole on the battery / 9V source...

Quote: They're not mandatory, but there are European JFETs that will work. Just match the Idss rating and the pinout, and they should work fine. I'm thinking about using BF245A (for 2N5484) and BF245C (for 2N5486) here. The only problem I see is that pins 1 and 3 need to be swapped...

From the ones others have mentioned I would personally go with the MDR-E888 if you can still get them new. I own MX400s and I am still dissapointed by the lack of bass (my 10-year-old E565s are better than this). I also have EX-70s but these are 'canal' (and have way too much bass without...

The EWX2496 is a pure stereo card, i.e. no 5.1. That's why I wouldn't recommend it for DVD playback. Regarding AC3 support of the DMX6fireLT: I never tried that by myself (I have a cheap Pioneer player for watching DVDs), but the Terratec page says that it is capable to output DTS and AC3...

I use the DMX6fire LT. IMHO its audio quality is almost on par with the EWX2496. However I had some difficulty in the past with the break-out board "MXR" (used for digital i/o, the card is capable to work without it). The drivers are quite good if you have an average configuration and use the...

Quote: Originally posted by Ross Thanks. Sound Forge and Adobe Audition really aren't cheap, are they. I was really hoping to get something a little, er, cheaper, since I only plan to record a few dozen records and the occasional live radio broadcast. You can try Audacity...

Technically this is a low-pass with a very low cut-off frequency, BUT it is in the negative feedback loop which means the whole circuit behave like a high-pass with the same low cut-off frequency. Or much simpler: C2 is used to disconnect the feedback loop for DC. This makes the circuit...