Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-25 Thread pieronip

There is/was a version of the DAC-AH which had an op-amp output stage. 
You can achieve a useful increase in fidelity and a significant
reduction in output level by removing the op-amps amd related power
decoupling components and taking the output directly from the I/V
resistor via high quality capacitors.  I found no bass loss by using
4.7 uF polyprops but a pair of BG NX of larger size would also be a
good solution.

Cheers


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pieronip

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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-25 Thread Amauta

I solved my problem with an attenuator made with 2 resistors. I didn't
know that this does not affect the sound. Thank you all for your
thoughts.


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[SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Amauta

Recently I bought a Lite DAC-AH. I like it a lot more than the internal
DAC of my SB2. My problem is that the output level of the Lite DAC is
so high that I have difficulties using the volume button on my
amplifier. What is the best audiophile way to lower the output level of
my DAC?


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread andynormancx

Is it possible that you at least partly prefer the sound of your
external DAC precisely because it has a higher volume output compared
to the SB DAC ? It wouldn't be the first time increased volume was
perceived as increased audio quality.


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Yes, it will. Yes, all of them. Yes, SoftSqueeze as well. What ?
I SAID ALL OF THEM !

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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread adamslim

Use an attenuator - you can get RCA plugs that knock off 10dB, say.  Use
the SB volume to suss out the right amount of attenuation, then buy that
value, or close.


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Amauta

I was more thinking of putting in some resistors in the line out. But do
these affect the sound quality?


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Pat Farrell
Amauta wrote:
 I was more thinking of putting in some resistors in the line out. But do
 these affect the sound quality?

An attenuator is just a voltage divider circuit made of resistors. If
they are well matched, they just reduce the voltage output.

Since humans always think that louder music is better, at some level, it
will impact sound quality.

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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Themis

Amauta;314637 Wrote: 
 Recently I bought a Lite DAC-AH. I like it a lot more than the internal
 DAC of my SB2. My problem is that the output level of the Lite DAC is
 so high that I have difficulties using the volume button on my
 amplifier. What is the best audiophile way to lower the output level of
 my DAC?May I ask what is your amplifier ?


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Amauta

Harman/Kardon HK6650R, not that it can't handle the input. I prefer to
have more angle to graduate the volume. Now when it is 1/4 open, the
volume is already too high for me.


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Themis

(I've been using AV amplifiers for soo long, i almost forgot that you
can't change input sensitivity on HiFi amps^^)

I agree with the previous : you need an attenuator, although I'm not
sure it won't affect signal quality. :( Well, at least they're not
expensive. ;)


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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Phil Leigh

Themis;314693 Wrote: 
 (I've been using AV amplifiers for soo long, i almost forgot that you
 can't change input sensitivity on HiFi amps^^)
 
 I agree with the previous : you need an attenuator, although I'm not
 sure it won't affect signal quality. :( Well, at least they're not
 expensive. ;)
Look - at line level, a simple resistor network to reduce volume will
NOT impact audio quality.
You can use the Rothwell attenuators or make your own if you can
solder(it's really simple).
Even if you use the worlds most expensive resistors - vishay for
example -  (no point at this this signal level) making your own is
cheaper and more satisfying.

However even the cheapest carbon resistors will sound fine.


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...SB3+Stontronics PSU - Altmann
JISCO/UPCI - TACT RCS 2.2X with Good Vibrations S/W - MF X-DAC
V3/X-PSU/X-10 buffer (Audiocomm full mods)- Linn 5103 - Linn Aktiv 5.1
system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend
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Re: [SlimDevices: Audiophiles] How to lower output level DAC the audiophile way.

2008-06-24 Thread Amauta

I tried 2 resistors of 10K on each channel. It seems to be fine, or
should I use any higher/lower resistor?


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