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kijanki

Responses from kijanki

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... 
Using a short coax cable?
due to how the impedance of the liquid metal alloy occurs, in the moment or in situ, the liquid metal has the least issues of any cable type, re the shaping of the edges of a square wave. atomic and quantum function of the impedance actually occur... 
Using a short coax cable?
labguy, Idea of min 1.5m cable comes from assumption that transition of digital signal is in order of 25ns. In ideal case DAC has exactly the same characteristic impedance as cable, but in reality there might be slight mismatch causing reflection... 
Amperage 2 vs 4 channels amplifier
We have 2 amplifier from one manufacturers.Amp 1 - 4 channels, 125 Watt, Maximum Current: 60 Amperes peak per channel.Amp 2 - 2 channels, 125 Watt, Maximum Current: 100 Amperes peak per channel.If we connect these amplifiers to identical speakers,... 
USB noise filter, jitterbug or ifi
recluse, jitter can be introduced with USB interface two ways - direct or indirect.  Direct happens when DAC uses average computer data rate as a source for D/A conversion rate (synchronous USB).  With asynchronous interface D/A clock and incoming... 
Jazz Vocalist - If you like Roberta Donnay you might like .... ??
Shirley Horn (try "You Won't Forget Me) 
Effect of coiling power cords?
When you wind power cable on toroidal ferrite you create common mode choke, that exhibits inductance for common mode signals (electrical noise current induced in both wires) and no inductance for normal mode signals (currents in opposite direction... 
Diminishing Returns
rvpiano,   There is more fun in chasing the bunny than in catching it, but I'm happy that you're happy.  I also came to a point, where I cannot improve my system anymore (some hearing loss), but I will stay and participate from time to time. 
Is this a problem?
Most likely it is white RTV silicon adhesive, used to prevent larger components from vibration.  
Cognitive Dissonance without the Stress--Digital & Analog At Home
I am binary, I guess, since I dropped vinyl long time ago, mostly for practicality of digital.  Selection of  music is much wider and much cheaper.  I can buy used CDs and rip them to hard drive, as well as copy my friends CDs to Audio CD-R and th... 
Noise reduction -why the rage now ?
Some noise might be originating at home (computers, dimmers, electronics, appliances, WiFi etc.) and some is coming from the outside on power lines, from cell towers and radio stations.  Many years ago I had loud noise coming from my TV (that was ... 
Noise reduction -why the rage now ?
Two, many reports of lower noise (in the last 10 years) were in systems with linear power supplies, not switch-mode.Benchmark Media would not agree with it.  They lowered noise in their DAC by 10dB (S/N= 116dB to 128dB) by replacing linear power s... 
Can anyone explain in laymans terms why your gear sound better after warm up
+1 gdnrbobThank you Al for mentioning that semiconductors are sensitive to temperature. We often forget it, concentrating on less important factors. Thank you also for providing Wikipedia link, for those who want to learn more, since semiconduct... 
Quality of digital cable from from source to DAC?
Todd.  Let me try to explain jitter.  Imagine you play 1kHz sinewave recorded on your CD.  Digital words of changing amplitude, representing sinewave, are converted in even intervals into analog values by D/A converter.  You get analog 1kHz sinewa... 
Quality of digital cable from from source to DAC?
@ecolnago All digital cables affect sound of the DAC differently.  In order to make sure DAC receives just right amount of data it has to synchronize internal D/A conversion rate with incoming data (S/Pidif) or receives data at different rate, bu...