Sony das r1 dac.

[Ian Walker]

Regulation and I/V stage design is just a couple of the things which tended to let a lot of the TDA1541 based dacs down

If Sony used classic op-amp I/V implementation and this was upgraded to something say without fb, regulation upgraded to lower noise and those tired old capacitors replaced it probably would improve performance no end

I think anything tired and old has already been removed from this.

Here are details of Audiocom mods done to date.

MAIN POWER SUPPLIES & REGULATION



4x Black Gate N capacitors for power supply decoupling.
4x Black Gate C capacitors for power supply decoupling
2x Black Gate FK capacitors for analogue regulation bypass.
1x Black Gate N capacitors for digital regulation bypass.
1x Invisus 2 regulator for +5V digital supply.



DIGITAL BOARD



Multiple Rubycon ZA bulk decoupling capacitors.

Multiple Black Gate NX Hi-Q HF decoupling capacitors.



AUDIO BOARD



2x Black Gate N regulation output bypass capacitors.
2x Black Gate NX Hi-Q input regulation bypass capacitors.

28x Black Gate NX Hi-Q for coupling 2x TDA1541.
Superclock 4-S master clock oscillator.

2x Black Gate STD analogue decoupling.
LME49710 op-amps for I/V conversion.
WBT NextGen cu RCA phono plugs.

Ian.

SONY DAS R1 FOR SALE....

[Marco]

I think anything tired and old has already been removed from this.

Yesh, apart from the daftee it belongs to!

Marco.

[Ian Walker]

Could all you thread spoilers run along and play somewhere else...i thought this was the classified section

[Ian Walker]

Ok for a quick sale i'll sell the Sony and Helios X5000 as a package and knock off £100 so £1200 for the two...that is a good buy.

Ian.

[Ian Walker]

Now sold