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Old 14th June 2019, 03:54 PM   #11321
AdeS is online now AdeS  Brazil
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Old 14th June 2019, 05:09 PM   #11322
hassan4119 is offline hassan4119  Iran
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ohhh my god ..i so sorry...i upload this a gain
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Old 14th June 2019, 05:17 PM   #11323
hassan4119 is offline hassan4119  Iran
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plz copy this link in a new winodow on ur browser:

apex ax17
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Old 14th June 2019, 05:18 PM   #11324
hassan4119 is offline hassan4119  Iran
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heloo mr ades plz chek any eror and my mistak.i want to make this apex ax17
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Old 14th June 2019, 06:08 PM   #11325
hassan4119 is offline hassan4119  Iran
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mr ades and dear apex in this picture i made apex fh11
see and enjoy...but dont work properly
2n5551 be hot/have hom in sspeaker/pop up sund when power be start.....im angryy
http://s4.picofile.com/file/83635747...403_192542.jpg
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Old 14th June 2019, 06:14 PM   #11326
hassan4119 is offline hassan4119  Iran
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i use 2k multiturn inested off 1k
50 -0- 50 volt dc power
mr apex tell re plase 150 ohm with 330 ohm...i do this tomarow.
why fh11 have very problem...i do step by step every things..i chek my pcb by schemaatic....my pcb is ok
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Old 15th June 2019, 08:03 PM   #11327
hassan4119 is offline hassan4119  Iran
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Quote:
Originally Posted by apexaudio View Post
Replace 150R resistor with 330R.
hi mr apex ...i do this....replase with 370R...i have not 330R....but its good..sound be very beter base and treble is power full..perfect....power mosfet's dont hot afer 15 minutes.mje350/2n5551's not hot..just a few warm..can i use 470R for beter sound?
oh i forget tell that...when i turn on power pup nois is lower.how i can kill pup noise when power be on?
mr apex you made me happy...tnx...i send best wishes for you from ultimate land..

Last edited by hassan4119; 15th June 2019 at 08:07 PM.
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Old 16th June 2019, 12:00 PM   #11328
Gurpreet Turna is offline Gurpreet Turna  India
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Smile A3

Quote:
Originally Posted by apexaudio View Post
A3 Pcb size 50x90mm.
Hello Mr Miles, What is output power of A3. I can't found shematic of A3, please can u post the A3 amplifier shematic.
Regards
Gurpreet
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File Type: jpg APEX A3 PCB.JPG (177.7 KB, 321 views)
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Old 16th June 2019, 01:22 PM   #11329
anoopkrajan is offline anoopkrajan  India
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Hello Mr Miles,
Does AX14 need Zobel Network if yes, values of resistor and inductor data, cos in the circuit it is not shown and can you briefly tell how to bias AX14.
Thanks and regards.
Anoop.
PS: Is there any scope for a new PCB design ? Because I have done a new design.
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Old 16th June 2019, 02:02 PM   #11330
AdeS is online now AdeS  Brazil
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A3 build
A3 schematic
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