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kijanki

Responses from kijanki

Short piece of spk wire sustitute for spk link?
Audioquest sells jumpers that are basically about 6" long gold or silver (2 versions) plated pure copper wires. The only difference from using high quality copper wire is perhaps the plating but unplated copper wire squeezed by speaker post will c... 
True Analog LPs versus Digital Recordings
At the very beginning of CD they converted everything to digital often with unstable clock. Jitter introduced that way cannot be removed, makes recording sounding harsh (typical for early CDs) and the only way to fix it is to digitize again if ana... 
Coax vs. Toslink
Well, the bandwidth is the problem. Toslink has very low bandwidth (tens of MHz) while coax has high bandwidth (hundreds of MHz). Because of limited slew rate in Toslink system (receiver and transmitter) noise converts to jitter (because noise aff... 
True Analog LPs versus Digital Recordings
I suspect that almost everything today is recorded digital. My friend works for very large recording studio where they got rid of expensive analog tape recorders more than 10 years ago. Analog tapes require constant maintenance because of layer to... 
Rowland 625 versus Audio Research DS450
Raquel, Icepower amps by definition should be less sensitive to power line than linear supplies since SMPS are both line and load regulated. In reality all supplies are switching only frequency is different. Linear supplies switch at 120Hz polluti... 
Rowland 625 versus Audio Research DS450
Optimus, I use model 102 and like it a lot. Icepower amps used by Rowland have SMPS that runs at about 50kHz providing regulated voltage. 625 has also SMPS of Jeff Rowland design that runs at 1MHz. 
Rowland 625 versus Audio Research DS450
Rowland 625 is not a class D amp. It is class AB design with no global feedback and SMPS supply. 
At what distance are balanced XLR cables needed?
Atmasphere, unfortunately I don't like gain at 60ohm position. Not many solid state amps have 60ohm output impedance while the most of them cannot drive 600ohm. The reason for that are op-amps used. Only few like LM4562 or OPA1611/12 are designed ... 
Why the obsession with the lowest octave
Mixing two different tones is another story but the lowest frequency is called root and the rest are overtones that are higher. When you play instrument with complex harmonic structure (typical for percussion instruments) like piano - each key pro... 
What do they mean for "long throw driver"??
Just one comment about magnetic gap. It is very narrow with typical (overhung) design where coil is much longer sticking outside (overhanging) of magnetic gap. Only part of the coil is at given moment in the main magnetic field. The other design -... 
At what distance are balanced XLR cables needed?
Output impedance is not that important within certain limits. My Benchmark DAC1 has output impedance values from 60 to 1600ohm dependent on output divider jumper position. Benchmark recommends for 1600ohm output maximum cable length of 26ft - assu... 
At what distance are balanced XLR cables needed?
"The 99.99999% figure quoted for purity is outright preposterous"Nordost uses 99.999999% pure copper."BTW this is why you don't see copper wire that is Teflon insulated."I just look at my Satori speaker cables that are 6N copper in Teflon. You can... 
At what distance are balanced XLR cables needed?
Eldartford, 600ohm is output impedance and 600ohm is input impedance of power amp. Because of 2 to 1 division of the voltage output voltage of the driver (driving 1.2k total) has to be 2x higher - being equivalent to nominal signal driving 600ohms... 
At what distance are balanced XLR cables needed?
I would suspect that bigger current would cause bigger voltage drops on said junctions (or impurities) everything else being equal. 600ohm must be not very common since I've never seen anything that can drive 600ohm without distortion. For now I w... 
At what distance are balanced XLR cables needed?
"cost of the cable will have no bearing on the sound if"Can you explain why purity of metal becomes unimportant in balanced configuration?