Opinion about Legendino-6 amplifier

viktor1986 · 30th April 2006, 09:00 AM

Your opinion about this...

edl · 30th April 2006, 01:29 PM

Hi Viktor,

Shall you please post the schematic?

Thanks, regards,

viktor1986 · 30th April 2006, 01:59 PM

Here is schematic...

edl · 30th April 2006, 02:16 PM

Thanks!

My comments:
- I never use zeners as reference for CCS's. They are noisy! Signal diodes (1N914/1N4148) are much better here.
- C1 and C5 aren't needed.
- A Zobel (10ohm+100n) is needed on the output. (Maybe on the PCB there is a zobel, I haven't checked it...)

Anyway your desing will works.

Regards,

viktor1986 · 30th April 2006, 05:20 PM

Zobel is on the PCB!

Thank's for comment.

30th April 2006, 05:20 PM	#5
viktor1986 diyAudio Member Join Date: Jun 2005 Location: Belgrade, Serbia	! Zobel is on the PCB! Thank's for comment. __________________ Pa mislim sta reci!

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30th April 2006, 01:29 PM	#2
edl diyAudio Member Join Date: Oct 2004	Hi Viktor, Shall you please post the schematic? Thanks, regards,

30th April 2006, 02:16 PM	#4
edl diyAudio Member Join Date: Oct 2004	Thanks! My comments: - I never use zeners as reference for CCS's. They are noisy! Signal diodes (1N914/1N4148) are much better here. - C1 and C5 aren't needed. - A Zobel (10ohm+100n) is needed on the output. (Maybe on the PCB there is a zobel, I haven't checked it...) Anyway your desing will works. Regards,

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