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Old 23rd January 2011, 11:14 PM   #291
omc is offline omc  Canada
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I have tried the volume mod for a while with different music now. It is definitely doing something, but I think it is taking something away rather than adding. Blacker for sure, and it makes some older recordings sound more defined. Played with newer, better recordings though shows me that it is not doing what we think. It sounds to me like it is knocking some of the frequencies down. Cassandra Wilson's Belly of the Sun sounds dead and analytical with the mod.

This is kinda like changing cables, without the cost
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Old 24th January 2011, 12:25 AM   #292
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Have the volume control disabled mod in place for a few days now. All the Touch2.0 mods in place as well.
The sound acquired a bit more prat, low bass feels more punchy. I had not been using the buffer mod because of crackling noises. Last week I added it back @ 4000, then w/ the volume control removed the dynamics both micro and macro became more dramatic. Somewhere in this last stage i read somebodies post to remove all replay gain settings and I find that using random play is now a bit too loud or a bit too soft. Find I'm listening to more full albums as once the gain is correctly adjusted, I don't need to jump up and adjust the volume again. My setups are both using integrated amps w/ passive attenuators. The need for another form of remote volume control is clear. The sound quality is too good to mess w/ the gain structure. I learned to hate using tube preamps because of the noise they add @ the price point I could afford.
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Old 24th January 2011, 12:53 AM   #293
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Quote:
Originally Posted by soundcheck View Post
Hi guys.


I was just wondering if anybody of you guys went back trying the analog output of the Touch in comparison to an SPDIF/externalDAC setup, after applying the Toolbox and HW/network mods.

Cheers
Hi Soudcheck,

I am very happy seeing yours asking this question, since I am extensively spending my nights with A/B listening between analog and digital out of the SBT connected to a V-DAC through Toslink... and the conclusion is that there is very little difference at a point that I am not sure that it is worth to keep the V-DAC and I would consider to resell it.

The major improvement of the analog out has been achieved by replacing the PSU by the Sbooster, following your advice... and this resulted in immediate improvements in music details, clarity and positioning of the analog out. Choirs in the Requiem of Mozart sounded amazingly detailled and the voices were very well in place, as it was before only the case with the digital out.

I feel now a very subtle difference in sound color between analog and digital out, maybe a very little warmer with the V-DAC, but not at a point that I would be able to recognise the sound produced by the digital output, without knowing to what I am listening.

This would be very usefull to compare the mod SBT analog out with the outputs of some DAC benchmarks to see how well it competes with them.

I am also curious to read your opinion about this: do you think it is still worth to connect a DAC the the modified SBT? Given also all other related issues that are raised (SPDIF/Toslink coupling, PSU, grounding,... and $$$).

Cheers,

Emmanuel
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Old 24th January 2011, 06:12 AM   #294
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Quote:
Originally Posted by evdplancke View Post
I am also curious to read your opinion about this: do you think it is still worth to connect a DAC the the modified SBT? Given also all other related issues that are raised (SPDIF/Toslink coupling, PSU, grounding,... and $$$).

I don't really have an opinion or experience about it.

I'd assume that with all the mods in place incl. bridging of the coupling
caps the analog output will deliver a much better performance then before.
How it compares to other DACs is the question. If it's worth investing in another DAC, as the first thing to do, is another question.
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Old 24th January 2011, 06:16 AM   #295
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BTW.

Did anybody open that device up to apply some HW mods. Decoupling with e.g
OsCons in particular?
Those professional modification companies seem to address mainly that issue first.
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Old 24th January 2011, 06:42 AM   #296
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Quote:
Originally Posted by evdplancke View Post
Hi Soudcheck,

I am very happy seeing yours asking this question, since I am extensively spending my nights with A/B listening between analog and digital out of the SBT connected to a V-DAC through Toslink...
Hi,

Try to connect your V-Dac with ~2m long good coax (with Canare plugs and Belden 1694A from Digital Audio Cables at Blue Jeans Cable). IMHO coax sounds better.

Better power supply for V-Dac will also help, or if you have very few diy skills go for another DAC :

Experience with this DIY DAC ?

DAC Kit - what else do I need? - pink fish media

This dac + output transformers will cost the same as V-Dac, but the sound will be (IMHO) MUCH MUCH better.

I had V-Dac a year ago, it is VGVFM, but now i am using SBT with this diy dac and Jensen transformers
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Old 24th January 2011, 06:46 AM   #297
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I have been using two Squeezebox Touch that have the Bolder Cable analog mods done.

From Bolder Cables:"The mods start out with improving power supply delivery and decoupling to the DAC chip. We then remove the electrolytic coupling capacitor from the analog signal path. This cleans up the harsh sounding high end, lowers the overall noise floor and extends the low end and enhances definition."

These Squeezebox Touch replaced SB3's in my systems, and I am using the regulated, linear power supplies originally purchased for the SB3's. I also had used various DACs w/ both the SB3 and Touch, including the MF V-DAC and others. They are no longer needed-sold.

I've been very pleased w/ sound quality and also to be off the upgrade merry go round. The native AKM 4420 should be optimum as the device was designed around it. After removal of the crappy electrolytic caps the device improved enormously. The SW mods added even greater quality.
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Old 24th January 2011, 07:01 PM   #298
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Quote:
Originally Posted by soundcheck View Post
BTW.

Did anybody open that device up to apply some HW mods. Decoupling with e.g
OsCons in particular?
Those professional modification companies seem to address mainly that issue first.
I bypassed the output caps--

post #15:

How to modify the caps at analog out? - Page 2 - Squeezebox : Community : Forums

what are the OsCons?

oops... maybe you are not talking about the touch

Last edited by sckramer; 24th January 2011 at 07:05 PM.
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Old 25th January 2011, 06:07 AM   #299
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Quote:
Originally Posted by sckramer View Post
I bypassed the output caps--

post #15:

How to modify the caps at analog out? - Page 2 - Squeezebox : Community : Forums

what are the OsCons?

oops... maybe you are not talking about the touch
Sanyo OsCon capacitors (pretty low ESR) are regarded by many as the best choice for decoupling duties in digital circuits. If you sneak around a bit you'll step over e.g Lampizator mods etc.

On the analog side of the circuits many people like e.g. Blackgate or Rubycon caps. On PS rails Evox Rifa is a pretty good choice.

Just to look for those brands won't work of course. There are different types and seizes which show different levels of performance at different places.
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Old 25th January 2011, 10:18 AM   #300
mrdon is offline mrdon  United States
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Quote:
Originally Posted by sckramer View Post
I bypassed the output caps--
Nice. I have been thinking about performing this surgical procedure myself.

Can you report on the positive changes? Does it sound significantly better? Was it as difficult as some have reported?
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