almarg
Responses from almarg
| Class-D or switching amps, any opinions on?? Here is a pretty good Wikipedia article on noise shaping. Very basically, oversampling + noise shaping allows the quantization noise resulting from the limited resolution to be mostly shifted up to frequencies that are higher than the audio inform... | |
| Class-D or switching amps, any opinions on?? Al - I'm not sure what they do to obtain decent resolution. In order to get 16 bit resolution and 20kHz bandwidth with traditional PWM clock has to be 65536x20e3=1.3GHz. It is way to fast and no room to filter out carrier. They might play games wi... | |
| Class-D or switching amps, any opinions on?? Magfan: The new NAD M2 ... operates in the digital mode, which I expect to be the real definition of 'digital amp'.Agreed 100%. My previous post was not worded as precisely as it should have been, to the extent that it implied anything different t... | |
| Class-D or switching amps, any opinions on?? Sam, repeat after me 'Class d is NOT digital'. repeat as necessary. read links I provided in earlier post.Actually, most or all of the TACT products Sam referred to accept digital inputs, and provide a d/a conversion function in conjunction with a... | |
| xlr splitter? Upon re-reading your question after submitting my previous response, I think you are saying that you only need a 2-way split, one 2-way split for each preamp output channel (left and right). In which case you can use any of the 2-way adapters that... | |
| xlr splitter? I don't think you'll find a 4-way xlr y-adapter available off-the-shelf. You could combine three 2-way adapters to provide a 4-way split, and there are several of those available at B&H Photo Video. Here is one.However, keep in mind that the p... | |
| Is 75 ohm IC OK from AVR to subwoofer? Yup. No problem at all.FYI, the 75 ohm figure is NOT the cable's dc resistance, or its impedance at audio frequencies. It is what is called "characteristic impedance," which only comes into play at much higher frequencies, such as digital signals ... | |
| Synergistic Research Powercell - Does it compare? Hi Bob,First, in addition to providing noise rejection, I should also have mentioned rejection of harmonic distortion, dc offset, and other low frequency anomalies that are usually present to some degree on ac power.One way to explain why all of t... | |
| Balanced connection XLR microphone cables ? I'll add a couple of things to my previous post. B&H Photo Video is an excellent place from which to purchase pro-oriented xlr cables, online. I use a pair of Mogami Gold Studio's between my Bryston cdp and my Classe preamp, and I've been plea... | |
| Would a Parasound JC2 be a good match for a Mc30? Hi Thomas,My guess (and its just a guess) would be that you did not damage anything by running it without speakers, because the main likelihood of damage occurs when a music signal is going through the amp, while no speaker is present. The open-ci... | |
| Are DAC prices reflecting sound quality? I heard the PS Audio at CES and it sounded great, but I have not heard it in a real world system which is key. I would like to hear it. Actually I just wish someone would start a string about it, I would love to know what it sounds like.Macdad, he... | |
| Balanced connection XLR microphone cables ? They'll work fine, assuming they are not defective or damaged. However, cables used at live events tend to get stepped on, inadvertently yanked, etc. You'll probably be ok, but if you want to play it completely safe use a multimeter to check for c... | |
| Synergistic Research Powercell - Does it compare? Isn't the PS Audio device simply an amplifier with a narrow frequency range?Hi Bob,Actually, it's a 60Hz oscillator plus a power amplifier. So what gets amplified is the output of an oscillator powered by a power supply powered by the incoming ac.... | |
| Phono stage direct to amp? DB, just noticed that you had said that the 2.4 volt sensitivity is in balanced mode, which I confirmed in the Proceed manual. Am I mistaken in thinking that the high-pass outputs of the SMS-1 have to be taken from unbalanced rca connectors, in wh... | |
| Phono stage direct to amp? DB, I took a look at the Integra 9.9 manual, with inconclusive results. There is no indication that "direct mode," which I think is what you would be using, disables the volume control, which is good. All it says beyond that, though, is that there... |