m1abrams;573933 Wrote:
> While I do not think a PSU upgrade is a good idea for the touch. I will
> say that a good PSU CAN operate better than a battery. Batteries tend
> to have very high internal resistance, much higher than the output
> impedance of a good PSU.
Not true. NiCads have a very
JohnSwenson;573879 Wrote:
> Go over to the S-Booster thread and look at my reply near the end, I
> list my experiences with PS supplies for the Touch.
>
> I have a design which DOES do a very good job of producing extremely
> low noise both radiated and sent down the AC main. If you are
> inter
andynormancx;573925 Wrote:
> One of the tests, that showed no measurable difference, used a battery
> rather than a PSU. It is hard to imagine a cleaner PSU than a
> battery...
>
> If you don't get a measurable difference with a battery as the PSU,
> then you aren't going to get a measurable dif
m1abrams;573933 Wrote:
> While I do not think a PSU upgrade is a good idea for the touch. I will
> say that a good PSU CAN operate better than a battery. Batteries tend
> to have very high internal resistance, much higher than the output
> impedance of a good PSU.
Not all batteries have high i
andynormancx;573925 Wrote:
> One of the tests, that showed no measurable difference, used a battery
> rather than a PSU. It is hard to imagine a cleaner PSU than a
> battery...
>
> If you don't get a measurable difference with a battery as the PSU,
> then you aren't going to get a measurable dif
Caad;573875 Wrote:
>
> Several types of linear outboard PSU has been recommended in several
> forums. And also in this Forum.!
> I have though respect for you guys in here. When you say that there is
> no different in soundstage when using different outboard PSU.
> I believe that your experienc
We all tend to get obsessed with power supplies! - I personally would
not mess with my Transporter PS. Nor with any DAC. I have switched to a
battery supply on my T-amp with very good results. Very different
animal! The SMPS on the amp was not nearly as "responsive" and
"revealing" as the battery.
Go over to the S-Booster thread and look at my reply near the end, I
list my experiences with PS supplies for the Touch.
The upshot is that changes in sound due to supplies are mostly due to
noise being sent back down the AC mains. The supply that comes with the
Touch is quite good in this regar
Thank you for your replies.
Several types of linear outboard PSU has been recommended in several
forums. And also in this Forum.!
I have though respect for you guys in here. When you say that there is
no different in soundstage when using different outboard PSU.
I believe that your experience wi
First Question: If you bought this kit board, why would you buy a $140
incomplete caseless PS for a $300 Touch?
Second Question: Are you aware that the Touch has more then one
internal switching power supply inside 'After' the external 5VDC input?
And the Touch has its own internal regulators.
T
Please don't take this the wrong way, but I hope you are doing this
because you like amateur electronics and not because you think the
sound of the Touch will improve. It won't.
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
T
Hi.
I'm working on a Linear PSU upgrade to the SBT using a Transistor with
grounded Basis via a Voltage-Ref from NewclassD.com
http://www.newclassd.com/index.php?page=71
I know the Max load is 1.5A for this PSU. The Current limiter is
temp-regulated, so i have added a big heat sink if Current sch
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