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Old 29th January 2013, 10:46 AM   #3291
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Quote:
Originally Posted by IRSound View Post
Thanks ,



This MUR160 ?

supply voltage is about +/-55v
- also i replace those 6.8K with 5.6K.


Yes, i saw that video before. also video for 4K5 (what is the song in that video ?)

you don't have any problem in lower input signal at startup ? that blue led is light up at first ?

Regards
ja gave defect in assembling yes!
trails off!
Input Signal short!
led oscillating!
Power supply + 68 -68!
+ -12/14 Volt bias!
I did not modify the components!
the name of the song and not know a mix!
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Old 29th January 2013, 05:29 PM   #3292
IRSound is offline IRSound  Germany
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Quote:
ja gave defect in assembling yes!
trails off!
Input Signal short!
led oscillating!
sorry , but i can't understand what exactly you want to say.
Quote:
+ -12/14 Volt bias!
do you mean +12v for bias ?
Quote:
the name of the song and not know a mix!
i want to know the song you played in your 4K5 test video.

Regards
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Old 30th January 2013, 12:14 PM   #3293
pravpa is offline pravpa  India
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Quote:
Originally Posted by electroconico View Post
Now I'm making this pcb .It is like 80% done.
I have to check the gnd returns

Ty luka, I´m working on it.
Hi,
I want to know which software you use for making pcb?
Regards,
Pravpa
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Old 30th January 2013, 01:32 PM   #3294
IRSound is offline IRSound  Germany
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jcoelhogsia,

please test you amp with this step and tell me the result :

1-connect input , output and all supply voltages connections.
2-apply mains to transformer (+/- 68V)
3-now , apply bias voltage to amp
4-watch active LED status (tell me)
5-now , play sound with lowest volume and see the result. then increase volume and see the result.keep me posted.

Regards
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Old 30th January 2013, 07:24 PM   #3295
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Quote:
Originally Posted by IRSound View Post
sorry , but i can't understand what exactly you want to say.


do you mean +12v for bias ?


i want to know the song you played in your 4K5 test video.

Regards

These days I am very busy with my work. So I'll test is available and inform you.

As for the name of the song you asked.
Music: LEMONADE, singer: ALEXANDRA STAN
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Old 1st February 2013, 11:32 AM   #3296
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Hi guys!
I was looking for a subwoofer amp and found this thread but... 330 pages! It's sooo a big thread! Why not to add in the first page the most important info like schematic and advices? it would be useful...
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Old 1st February 2013, 02:52 PM   #3297
pravpa is offline pravpa  India
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Default AUD600 with sub crossover

Quote:
Originally Posted by michelino View Post
Hi guys!
I was looking for a subwoofer amp and found this thread but... 330 pages! It's sooo a big thread! Why not to add in the first page the most important info like schematic and advices? it would be useful...
Hi,

MY CLASS D AMP

Regards,
Pravpa
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Old 2nd February 2013, 08:20 AM   #3298
NMOS is offline NMOS  Germany
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Quote:
Originally Posted by DETED AUDIO View Post
Hi All, good night ... ^___^
Hi to all

who have order assembled Class D pcb from Detex audio website already and received ?


have order and pay but no luck up today, another friend from DIY have same problem

Last edited by NMOS; 2nd February 2013 at 08:23 AM.
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Old 3rd February 2013, 08:34 AM   #3299
akraj is offline akraj  Bangladesh
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Hello Everybody:

is this core suitable for class D amp? any other suggestions?

T157-2 Micrometals Iron Powder Toroid

Thanks
Raj
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Old 3rd February 2013, 09:27 AM   #3300
luka is offline luka  Slovenia
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Location: in Slovenia :)
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YES -2 MATERIAL IS GOOD
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