Which one? FX1002, FX802D, Alientek D8, others?

[gug42]

Hello,

I'm interested to test a FDA around 100€.
Did you have any recommendation to buy ?

Thank you in advance

 

[abraxalito]

This one is one of the cheapest and very good bang for the buck - YJ- STA326 OLED 2.0???????? ????HIFI??????-???

Spend the rest of your budget on an upgraded power supply.

 

[gug42]

Hello,

Thank you. What you mean "upgraded power supply" ?
This ? 32V 5A High Power Switching Power Supply Adapter 200W for TDA7498 FX1002A FX1602 | eBay

The price with the power supply is close to others competitors, by the way.

Regards,

 

[abraxalito]

I don't recommend using a switching supply directly - when I've done that I've ended up disappointed by the bass. I use a switching supply followed by a single pass transistor regulator (similar to a cap multiplier but with the cap replaced by a zener element). To do this calls for a slightly higher voltage supply as the transistor drops a couple of volts - I'd look for a 36V supply.

 

[forestsgump]

Hello,

I'm interested to test a FDA around 100€.
Did you have any recommendation to buy ?

Thank you in advance

It depends on what you want from FDA...

I had a Class-D FX502S and FDA D8; to me FX502S sound quality slightly better, however if using digital source, it will be process by Op-Amp & DAC, which bring signal adulteration - something i would avoid.

So I used D8 more due my sources are mainly digital; I am sold on D8's built-in high quality jitter-corrected on both spdif optical/Coax & Xmos USB. However beware D8 analog-input is noisy due to onboard SMPS. It lacks bluetooth, which I dont really care (even Aptx-HD is lossy anyway).

 

[Deyan]

For me Alientek D8,as said above only on digital inputs, USB input with XMOS is very good.Pay attention on built in dsp ,for me the best sound is when is set on Tone or Normal setings.Sory for bad english.

 

[gug42]

Thank you for thoses informations !
Well, for my use case, analog input would be more versatile and usefull. So FX502S ?

Thx again

 

[chermann]

Thank you for thoses informations !
Well, for my use case, analog input would be more versatile and usefull. So FX502S ?

Thx again

good

TPA3250 somebody is listening?

 

[gug42]

The one inside FX502SPRO ... I suppose forestsgump ?

 

[forestsgump]

The one inside FX502SPRO ... I suppose forestsgump ?

Yep FX520S Pro

 

[forestsgump]

For me Alientek D8,as said above only on digital inputs, USB input with XMOS is very good.Pay attention on built in dsp ,for me the best sound is when is set on Tone or Normal setings.Sory for bad english.

Yep, Alientek D8 allows us to bypass built-in DSP, keeping signal true to original source.

 

[gug42]

Thank you. So i will go with the FX502S PRO. And perphaps change the default AOP by something else. I have a nice stock of aop in my stash. Hope I will have no needs to buy some new

thx

 

[forestsgump]

Thank you. So i will go with the FX502S PRO. And perphaps change the default AOP by something else. I have a nice stock of aop in my stash. Hope I will have no needs to buy some new

thx

A few attempted top-of-line AOP of LME49860, 49720 on FX502SPro, jigglebones, seems like 49860 could be a good choice.

I am contemplating using LM4562NA, which is supposed to be exactly same family and specification of LME49860, 49720 (much lower cost before it gained fame & price shot-up).

However I have not, as I am on D8 & kept away FX502SPro for time being, if you are giving LM4562NA a try, do help to report back your findings

 

[gug42]

With pleasure, I will see what I get. Don't want to buy new AOP for know too much in my drawer.

Thank you.