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JDS Labs C5/C5D (pg96) portable amp/amp+DAC - Page 17

post #241 of 3339
I don't think I would like the joystick-like volume control. A rotary wheel would be much more convenient, and reaching an appropriate volume would be much faster.
post #242 of 3339
Thread Starter 
Quote:
Originally Posted by HeadFiend View Post

I don't think I would like the joystick-like volume control. A rotary wheel would be much more convenient, and reaching an appropriate volume would be much faster.

But then you get channel imbalance, if you want a rotary wheel buy a second hand C421
post #243 of 3339
Is there no such thing as a "digital" rotary wheel, without the channel imbalance issues?
post #244 of 3339
Thread Starter 
Not that I know of, as digital volume control is always stepped, but if you hold whilst turning volume up it goes faster
post #245 of 3339
Quote:
Originally Posted by rckyosho View Post

I think you should add real measured amp's noise and distortion specs instead of claimed specs than a listening test is not required.

Anyway don't forget that humans do not only have hearing alone.We can feel,see,smell,touch, etc.You may not be able to hear a 10hz sound but you can feel it provided the gear you have can reproduce it.And with all the other sensory input the brain does effect your perception and frankly in real life we don't listen blind unless of course you are blind smily_headphones1.gif.

 

Your first point is well-taken. It's actual measurements that count.

 

Humans don't see, smell, or touch sound. In real life, I might get drunk and listen to music but that has no effect on sound waves.

post #246 of 3339
Quote:
Originally Posted by goodvibes View Post

Quote:
Originally Posted by HamilcarBarca View Post

 

And, similarly, when an amp's noise and distortion specs are beyond the limitation of all human hearing, no listening test is required.

Because you're so absolutely sure that they've measured every type of dynamic distortion that can occur in music and into every load?rolleyes.gif

 

I'm sure you'll realize, when you read what I wrote (here or anywhere else): I neither said nor implied that.

post #247 of 3339

It's certainly implied as it rather invalidates your statement if you don't feel that way.


Edited by goodvibes - 2/20/13 at 7:41am
post #248 of 3339
Quote:
Originally Posted by HeadFiend View Post

Is there no such thing as a "digital" rotary wheel, without the channel imbalance issues?

 

Yes, there is - Meier Audio Stepdance / Quickdance has a digital volume control set by an analog potentiometer . But It is an unusual implementation that I don't think will fit inside the C5.

post #249 of 3339

The Pico Slim also used a regular rotary knob that controlled a digital volume control

post #250 of 3339
Quote:
Originally Posted by ClieOS View Post

Yes, there is - Meier Audio Stepdance / Quickdance has a digital volume control set by an analog potentiometer . But It is an unusual implementation that I don't think will fit inside the C5.

That's a shame then. I think the joystick thingie is rather gimmicky and inconvenient. I remember using a similar one on some gear (can't remember what): I had to wait patiently until I reached a proper level, or I would go too far and I'd need to go back, trying not to go too far in the other direction as well. Very cumbersome.

frown.gif
post #251 of 3339
Quote:
Originally Posted by HamilcarBarca View Post

Your first point is well-taken. It's actual measurements that count.

Humans don't see, smell, or touch sound. In real life, I might get drunk and listen to music but that has no effect on sound waves.

Ah, that is where you are wrong.Sound is a product of something vibrating and for sound to be reproduce you need some kind of vibration from air,water or other medium. You can for sure feel,smell and touch air or whatever medium sound is coming out from.Unless you live in a vaccum in which there is no sound cause the is nothing there to vibrate thus no sound.

And in real life when you get drunk it'll effect the way your eardrums vibrate thus effecting the sound being reproduce.Still with me on this? rolleyes.gif
post #252 of 3339

Why not use a digital jog wheel like those found on most car radio decks.  Just lay it flat on the circuit board with the edge protruding from the case like an analogue wheel?  Maybe there's more too it than that?  I don't know.  I'm not going to judge until I try it though.  I don't mind using the buttons on the outside of my ipod touch, except that they are far too jumpy with the volume.  If this is similar but finer control, I'm a happy man... :)

post #253 of 3339
Thread Starter 
Can we please stay on subject, no arguing sound perception or science unless it is fully related
post #254 of 3339
Quote:
Originally Posted by randomkid View Post

Can we please stay on subject, no arguing sound perception or science unless it is fully related

I apologise for the derailment and will try to avoid posting if its not useful stuff regarding the C5.I usually try to avoid arguements but it was just the spur of the moment I guess.

Actually wanted to say that it would be great if the C5 was design to go together with the Odac or something similar in one box together, Or maybe made as an option.The UD-100 DAC is also another good small size DAC that is small enough to fit inside the C5 case that would make for a good overall option in terms of portability.
post #255 of 3339

The digital volume control with the lever shouldn't be an issue. I have the Rx MK2 with the lever and it works great for volume adjustment. It's non protruding and improves portability.

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