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Old 21st October 2018, 02:35 PM   #11
voxxonline is offline voxxonline  United Kingdom
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Location: Epsom, Surrey
AK4490
Thank you.
The oscillator board makes difference, right?
Question - how much?
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How to find time to finish my projects ?
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Old 21st October 2018, 04:14 PM   #12
guidobullo is offline guidobullo  Italy
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grazie
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Old 21st October 2018, 04:36 PM   #13
guidobullo is offline guidobullo  Italy
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Smile ak4490

thanks for the advice but arrived at these figures there is the new Denon dcd 800 series.
I only listen to music, so someone knows a card to insert instead of that of my Sony.
during this week I got to listen to the DCD 800 and also fantastic amazon sells it for 450 euros.
you can save money with an additional card or I'd better throw the Sony and buy the denon.
my collection is made of 16-bit original CDs so what do I do?
Thank you and hello to everyone
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Old 22nd October 2018, 10:06 PM   #14
PJN is offline PJN  United States
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If you're not really into diy but just want better sound and you like the way the Xenon sounds then I say get it. The diy approa h will cost most as much with greater risk and a lot more effort.
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Old 23rd October 2018, 05:20 PM   #15
guidobullo is offline guidobullo  Italy
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Smile ak4490

forgive me but I do not know the xenon tell me where I can get some clarifications.
thanks bye
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Old 23rd October 2018, 07:08 PM   #16
PJN is offline PJN  United States
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Quote:
Originally Posted by guidobullo View Post
forgive me but I do not know the xenon tell me where I can get some clarifications.
thanks bye
Denon, darn spell check
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Old 24th October 2018, 10:55 AM   #17
guidobullo is offline guidobullo  Italy
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Quote:
Originally Posted by PJN View Post
Denon, darn spell check
explain better I do not understand
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Old 24th October 2018, 02:53 PM   #18
PJN is offline PJN  United States
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Location: Pa, USA
Quote:
Originally Posted by guidobullo View Post
thanks for the advice but arrived at these figures there is the new Denon dcd 800 series.
I only listen to music, so someone knows a card to insert instead of that of my Sony.
during this week I got to listen to the DCD 800 and also fantastic amazon sells it for 450 euros.
you can save money with an additional card or I'd better throw the Sony and buy the denon.
my collection is made of 16-bit original CDs so what do I do?
Thank you and hello to everyone
What I meant was that you might be better off getting the DCD 800 that you liked. Not much more money than a DIY solution. Especially if you're not very experienced in DIY
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Old 25th October 2018, 09:18 AM   #19
guidobullo is offline guidobullo  Italy
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Smile ak4490+ OPA2132P+ Toshiba

digikey gave me the parts.
OPA2132P and the TOSHIBA revealing module, the conclusion the sound has become almost perfect.
remains the crystal oscillator to change, but I do not know what to buy.
what is the best you can put on the card bearing in mind that the attack is not SMD.
besides the ASC mark I can not find it on the web, the datasheet can not find it.
however I replaced the OPA2134PA of the FX-audio converter X6 with OPA2132P and the sound has become something incredible, now I understand why the Marantz readers and their CS4398 are decanted.
thanks to all those who will help me in choosing the crystal.
Guido
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Old 25th October 2018, 10:25 AM   #20
Extreme_Boky is offline Extreme_Boky
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Join Date: Dec 2003
As suggested already, get the following:

I2SoverUSB v.III (it already has a very low SDA phase noise crystal oscillators)
I2SoverUSB - I2S over USB Audio

AK4490 board
AK4490 - I2S over USB Audio

LME49710 filter board
LME49710 filter board - I2S over USB Audio

The voltage regulators:

for all negative rails:
TPS7A3301 Ultra Low Noise LDO Voltage Regulator
TPS7A3301 Ultra Low Noise LDO Voltage Regulator

for all positive rails:
LT3045-A Ultra Low Noise LDO Voltage Regulator
LT3045-A Ultra Low Noise LDO Voltage</br>Regulator

The above, if wired nicely, can sound very good.

Last edited by Extreme_Boky; 25th October 2018 at 10:27 AM.
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