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A rectifier just rectifies. But some don’t like the sort of “laid back” sound they have. What sort of improvement are you seeking? August 26, The NJM isn’t a bad chip. All times are GMT. I haven’t done the changes myself yet, but from audio examples I have heard this is definetly worth it. Been testing this unit today via an AB switch 0268 my A and to be honest I can’t hear any difference.

N e o fa p cuiRadio Co,ld.

It all depends on how far you want to take the definition of “true tube”. They speak of the OpAmps being the biggest weakness. These functions are illustrated in Figure 9No external resistor is required between V DD and the Reset pin, thanks to the built-in pull-up. What’s the difference regarding high end detail, transient response, perceived proximity, the perceived “immediateness” of bass? V dd is power and Vss is the ground connection.

But the opinions on that site, are very similar to the ones 20668 have experienced and many that I have read on various forums. They are pretty stable and are very flat. So you can’t really put a socket in and play away.


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Power is supplied to the MCU using these two pins. Plus this is in regards to headphone amps, so sort of different applications. Definitely better than many others used out there. V DD is dtasheet power connection and Vss is the ground connection. I remember reading which ones they used, but I can’t seem to recall it.

V DD is the power connection and Vss is the. Gachet Member Bordeaux France Posts: In the case of fast rising V dd transition time. The still wins in my book. Black Lion does mod these as well.

These functions are illustrated in Figure 9, Figuredafasheet V DD and the Reset pin, thanks to the built-in pull-up device.

NEs are okay, but surpassed in openness of sound by the LM Although I’ve had no instability problems with the LMs, I added extra decoupling anyway. That’s something that be debated endlessly.

These functionsthe internal reset sources AND.

Just seems to take an edge off the digital, so may be a problem, i dont know. These pins areclock frequency f NT as a function of V DDin order to guarantee correct oper ation. IMO, they sound kind of hazy in the highs. Little bear tube Preamp T7 real tube amp or IC amp with glowing tubes for visual Hi all Just taken delivery of a Little Bear T7 Tube Preamp One of the questions I had was is it mrc true tube amp or one of those low end chinese tube amps that are really IC amps and just use the tubes for visual effect.


Along with the upgrading to the LMs, I also bypassed the input coupling capacitors with polypropylene film and removed the output coupling capacitors altogether. The time now is As above you should reall only hear differences if your say, pre and power are a mismatch.

But at some point, I found you really get into splitting hairs, and the differences are so subtle that opinions get really broad. The initialization sequence is then executed. In the case of fast rising V dd ratasheet time Abstract: I’d be more worried if you could hear a difference than if you couldn’t. V DD and VgS.

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But they look superfast, so you will probably need some bypass caps to keep them stable. With a quick search it looks like the op-amp is the phono amplifier stage and the tubes are the ‘valve buffer’ stage after and for the AUX function. Please jgc me a personal message if you have.