kijanki
Responses from kijanki
| i'm having a problem with digital brick wall mastering I'm not sure what you mean by "allpass filter". The function of "allpass filter" is to delay phase without affecting amplitude (flat frequency response). Clipping might be caused by intersample peaks/overs. They happen when filtering of the DAC'... | |
| Miles Davis tonight on PBS! Thanks, I will record it. | |
| Future of cables! You're right, It should be "outside of wire" (and not cable) or "in the space between wires". There is only magnetic and no electric field on the outside of the cable, so energy flux cannot be created there. | |
| Future of cables! You still haven’t explained why is it necessary to connect the copper or banana plug or whatever we use to the speaker since the cable doesn’t carry the energy but it’s carried outside the cable.Without this connection there will be no electric cu... | |
| Future of cables! djones51, I found very nice primer that explains step by step:https://www.researchgate.net/publication/255626544_Understanding_Electricity_and_Circuits_What_the_Text_Books_Don't_Tell_You | |
| Future of cables! djones51, energy flux follows the wire inside of the speaker until there is a voltage drop - then power is absorbed (look at the wikipedia picture). Wire itself has some resistance, so part of energy flux is absorbed by the wire (power loss - re... | |
| Future of cables! @djones51 You quoted from Wikipedia without understanding. Energy is delivered on the outside of the cable, but in case of coaxial cable it is limited to space inside. In coaxial cable whole energy flows thru dielectric between inner wire and t... | |
| Future of cables! djones51, perhaps you should read my last post. | |
| Future of cables! tochsii, The same amount of electric charge that flows to the speaker returns back to the amplifier. What is energy source then and why this energy flows always toward speaker even with direction changing AC current. It is because energy is delive... | |
| Class D amplifiers have very little phase shift @erik_squires Thank you. As for the phase shift, datasheet for the modules in my previous class D amp (Icepower 200ASC) show about 18-30deg phase shift at 20kHz dependent on the impedance of the speaker. Every amplifier has some phase shift at 20k... | |
| Future of cables! It is interesting article, but I'm not sure how it applies to audio cables. Electric current is a flow of electric charge. For AC signals electrons practically stand in place while electric charge moves at about 2/3 of the speed of light. Energ... | |
| Class D amplifiers have very little phase shift Shown values don't make any sense. 10uF would represent about 0.8 ohm capacitive reactance at 20kHz, while series resonance of 1mH and 10uF would be at 1.5kHz | |
| Some amps I never heard of... I have Benchmark AHB2. It is powerful, dynamic and very clean with great treble and bass extensions. It has only XLR input, since Benchmark believes that S/N at this level (132dB) is wasted with single ended RCA connection. Also, it is extremel... | |
| Benchmark DAC-1 I had Benchmark DAC1 for many years. I replaced it with DAC3 HGC that I have for more than 2 years. It sounds fuller and cleaner, at the same time. It has better treble extension while harshness is gone. It also has better bass extension. By "full... | |
| What's wrong with variable bias? lostrak, In class A both output transistors operate all the time. Current thru one transistor is equal bias current plus half of the load current, while current thru other transistor is equal bias current minus half of the load current. Because of... |