2. amps-preamps
  3. 151984-63

Is Class D Analog or Digital ?

Wow!!!..what a conversation! I called Music Matters yesterday in San Francisco inquiring about an older Spectral 
Preamp since their an authorized dealer for many years. The salesman I spoke to was not familiar with the DMC-10. He took my phone number and said I'll have someone get back to. I received a phone call today from the co-founder/owner Jay. I asked about the DMC-10.He trashed the piece saying it is grainy, bright and the newer designs are the opposite.
Nothing could be further from the truth. Us Spectral geeks know exactly how those older models sound. I told him I already had made a decision on amps. He asked, which amps are you getting? I said the Nuprime Evolution Ones since
Demiam Martin from Spectral is co-designer. He said don't buy them... their digital amplifiers and I tell my customer's to stay away from them because of that bright digital sound. Wow! I said they are analog amps and Class D is just a category. He said no, the D stands for digital. This is another prime example why so many Audiophiles are skeptical and will not put their toe in the water to go the class D direction.
audiozen
audiozen OP
831 posts
 
@erik_squires    

Erik....you are confusing an analog Class D amplifier with a CD player. Binary is a single term/method only of how a laser reads the pits on a compact disc. The space in between the pits are "bumps" results in reading pits,bump,pits,bump, 1,0,1,0,1,0.....switching only applies to switching transistors. Mosfet's are dual switching, moving current in both directions. Diode transistors move current in one direction. Just about all Class A/AB amps use switching transistors. Binary only applies to the digital domain and nowhere else. Nothing confusing about that.
erik_squires
15,737 posts
 
Congratulations Audiozen, for failing to state what exactly you have a problem with, and then for further obfuscating the issue which was otherwise well enough discussed.

Also, I disagree with your definitions, so lets just part ways as unamicably as we can.
audiozen OP
831 posts
 
binary and dual switching have nothing to do with each other.

"it is binary, not digital, and it is quite confusing"    no such thing as a binary mosfet transistor. binary is only a digital term, for the 1+0 reading from the CD or other formats where 1+0 applies.
wrenth
26 posts
 
:) it remains me the situation I asked my friends what is the patefon and in the answer I got everything except the true. It is not the problem when the end user make the mistake. We can correct him and gain +1 to reputation. However when the salesman or presenter make such mistake is a different story for me. Such lack of professionalism is rude, not elegant and insulting... especially when the knowledge lay in public encyclopaedia as wiki. My suggestion for most studied meaning of D is Dreadnought! Why not to classify audio equipment with military ship classes. It sounds good... I have Dreadnought class DAC! My friend has Frigate class Amplifier!!!
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