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Old 5th May 2006, 06:05 PM   #1
coffin is offline coffin  Taiwan
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Default A modified MF E10 amp

Hi
This is a FREE pcb from China, according to the webmaster, this is modified from MF E10....

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and I took a while to put it together, using my own stock, except the a few resistor and transformer. So a free PCB with my inventory, very cheap......

This is the whole top view
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One channel
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Using MJW0281/0302 as power BJT
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It seems that MF like to use Jamicon as filtering caps....immitation
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MUR860 as bridge
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I put it in a integrated case, so add a ladder step att
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Changing LED bias R19 to 2SK246
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mount the bias BJT on power BJT
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The supply of voltage amp stage is MINI Regulator
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The look of the int amp
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A very beautiful sound....nice and easy....bass is a little bit less
Very musical one.

cheers

Coffin
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Old 5th May 2006, 06:19 PM   #2
edl is offline edl  Hungary
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Hi Coffin,

I like your new amp, nice work!
As I see, you were using so high quality components!

On the margin the schema reminds me MikeB's Symasym...
http://www.lf-pro.net/mbittner/Sym5_...ymasym5_3.html

All the best,
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Old 6th May 2006, 03:30 AM   #3
coffin is offline coffin  Taiwan
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Quote:
Originally posted by edl
Hi Coffin,

I like your new amp, nice work!
As I see, you were using so high quality components!

On the margin the schema reminds me MikeB's Symasym...
http://www.lf-pro.net/mbittner/Sym5_...ymasym5_3.html

All the best,
Hi
Just got those "high quality components" in my stock, so...why not using them?

Yes I think the topology is very identical.....except PNP not NPN

cheers

Coffin
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