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Old 20th August 2019, 08:06 AM   #11731
rehman is offline rehman  Pakistan
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Quote:
Originally Posted by cl00sed View Post
Thanks all who helped in solving my issues, now AX14 amp is working good and the bias is set to 12mv

DC offset - Itís like less than 5mv

Regards
Raj
can you tell me what you have did. i have ax17 but unable to adjust bias no voltages are appeared on meter no matter how much and in which direction bias pot is turned.
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Old 20th August 2019, 09:00 AM   #11732
prasi is offline prasi  India
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Raj, can you post what was actual issue and how you solved it. It will help others.
I had Rehman in mind when I posted this but he was quicker to ask.
Also SQ impression with your good speakers when you hook them up?
Regards
Prasi
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Old 20th August 2019, 09:56 AM   #11733
rehman is offline rehman  Pakistan
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hi sir
i was reading some previous posts about ax17. i faced about the same issue in adjusting the bias and dc offset. i will try the given instructions. my pcb is without dc servo, also there is another amp ax15. iam thinking to make it. there might be no issue in offset and bias adjustment with ax15. it it true?.
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Old 20th August 2019, 10:02 AM   #11734
cl00sed is offline cl00sed  India
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I followed the 11683 procedure, earlier i havenít connected the signal ground to chassis ground.
After connecting it DC offset from 15mv on one channel is dropped to 5mv.

Sure prasi after connecting it to my main speakers will share my review, as i do t have speaker protection so did not want to take risk

Regards
Raj
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Old Yesterday, 06:51 AM   #11735
rehman is offline rehman  Pakistan
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have any one made ax15? iam thinking about it too. what would be the sound comparison of ax14 and ax15?
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