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Hello Z3 enthusiasts!!!

What is the minimum undervoltage i can set to Z3 without distorting the sound.
i have set it to 19volts, the sound is good and can't hear any sound degradation when...

Just use open-back Headphones if you want wider soundstage

Yup. I will try..

anyway.. I am getting interference when I am near a cell site (at PO only, LO sounds clean).. and it is only on the right ear.. it is very audible, maybe due to the shorted...

will there be a noticeable difference in sound quality

I will try to remove the stock 1000uf capacitor. and put 100uf in each rail like what Analog Devices suggest on their website.
...

Why does Z2 has no big electrolytic capacitor support on the positive side of the OpAmp? only in the negative supply.

just replaced the 220k with 150k.. still, PO and LO have very high harmonics when 1000 hz tone is played from the memory card

Sorry.. translator messed the order of words.. im just confirming the value of the resistor, that's why i put a red underline coz i thought something is missing..

anyway i do not have 160k.. i...

what is the value of the resistor?

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How to reduce it.. can you please guide how to do it.. thank you very much. :)

Is it normal for Z1 to have very high Harmonics.. but using it as an amplifier, the output has minimal harmonics... how do you fix this

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Hi everyone. just curious about Hidizs AP80. how does it sound compared to Z3 Ak4493 :)

8 hours playtime is good... maybe its just a charge indicator bug/ problem.. don't mind it as long as it play long enough

Thanks.

Can i replace it with higher uF ceramic capacitor and parallel it to 100uF nichicon?

What is the value of the original ceramic capacitor on the positive supply of the opamp. i lost mine.

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removed output capacitor and resistor... how do you deal or solve Turn OFF pop....

So it does... DAC -> LPF -> Main OpAmp -> PO

So if i change LPF to better opamp, PO sound will improve. right?

is the LPF affect the Phone Out or PO, or it's just for LO

already had opa1622.. installed 22uf cap into it to suppress the popping sound.. turn ON pop gone.. but the turn OFF pop is still so loud.

Yup. i know... i will wire it

I've ordered OPA1622.. and ill be using it as output opamp and use the Burson v5i-d as LPF.. let see

Can I use LME49860 as LPF for Z3?

@maxx-imus1980 , can i see your Z3 with burson v5i-d.. you said yours don't have popping sound.. just want to copy your Mod.

i will switch to opa1622 then...if thats the only way..

is opa1622 close to the sound quality of burson v5i ?

just did it.. no difference, still has loud popping sound

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