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Old 6th May 2011, 09:13 AM   #821
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Originally Posted by shreya View Post
Sir 'faster' in the sense?
'Slow' and 'fast' with 20kHz square wave.
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Old 6th May 2011, 09:41 AM   #822
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Default Set Bias
I've just build AX-14 with 32 Vac supply voltage,but hard to set bias to find 2V on R10 Ohm insted fuse....Why???

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Old 6th May 2011, 01:14 PM   #823
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Quote:
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'Slow' and 'fast' with 20kHz square wave.
what is the value of cap when it is slow at the time of testing
Last edited by shreya; 6th May 2011 at 01:17 PM.
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Old 6th May 2011, 01:59 PM   #824
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I've just build AX-14 with 32 Vac supply voltage,but hard to set bias to find 2V on R10 Ohm insted fuse....Why???

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Try to set 0,5V-1V on 10R, with 2V bias will be 200mA, it's to high. Start with 50mA (0,5V on 10R), and check heatsink temperature after 10min.
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Old 6th May 2011, 04:11 PM   #825
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You want to build 500W Hi-Fi amp
I must draw schematic for this version, than I will share PCB
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Have you draw this project Sir???

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Old 6th May 2011, 10:53 PM   #826
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Quote:
Originally Posted by shreya View Post
what is the value of cap when it is slow at the time of testing
Values from post #1.
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Old 7th May 2011, 02:29 AM   #827
shreya is offline shreya  India
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Values from post #1.
Thank you sir
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Old 7th May 2011, 11:16 AM   #828
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Quote:
Originally Posted by apexaudio View Post
Try to set 0,5V-1V on 10R, with 2V bias will be 200mA, it's to high. Start with 50mA (0,5V on 10R), and check heatsink temperature after 10min.
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I've adjust bias 50mA and it works now....very2 clear sound....
I use 32VAC supply........heatsink temperature is normal.......
What is the minimun load impedance for AX-14??
How to get more bass???

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Old 7th May 2011, 12:53 PM   #829
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Originally Posted by QQ12e5k1 View Post
I've adjust bias 50mA and it works now....very2 clear sound....
I use 32VAC supply........heatsink temperature is normal.......
What is the minimun load impedance for AX-14??
How to get more bass???

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Nice, but can you post pictures?
Minimum load is 4ohm.
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Old 7th May 2011, 07:29 PM   #830
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I made this amplifier for test my home DIY speakers (two way TL).
I remember seeing that layout in a kit amp , attached .

Where did you get that though ?
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