A modified MF E10 amp

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Jump to Latest
coffin

coffin

Member
Joined 2002
diycoffin.blogspot.com/
Hi
This is a FREE pcb from China, according to the webmaster, this is modified from MF E10....

An externally hosted image should be here but it was not working when we last tested it.


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......:D

This is the whole top view
An externally hosted image should be here but it was not working when we last tested it.


One channel
An externally hosted image should be here but it was not working when we last tested it.


Using MJW0281/0302 as power BJT
An externally hosted image should be here but it was not working when we last tested it.


It seems that MF like to use Jamicon as filtering caps....immitation
An externally hosted image should be here but it was not working when we last tested it.


MUR860 as bridge
An externally hosted image should be here but it was not working when we last tested it.


I put it in a integrated case, so add a ladder step att
An externally hosted image should be here but it was not working when we last tested it.


Changing LED bias R19 to 2SK246
An externally hosted image should be here but it was not working when we last tested it.


mount the bias BJT on power BJT
An externally hosted image should be here but it was not working when we last tested it.


The supply of voltage amp stage is MINI Regulator
An externally hosted image should be here but it was not working when we last tested it.


The look of the int amp
An externally hosted image should be here but it was not working when we last tested it.


A very beautiful sound....nice and easy....bass is a little bit less
Very musical one.

cheers

Coffin
 
coffin

coffin

Member
Joined 2002
diycoffin.blogspot.com/
edl said:
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_Webpage/symasym5_3.html

All the best,
Click to expand...

Hi
Just got those "high quality components" in my stock, so...why not using them?:devilr:

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

cheers

Coffin:smash:
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Top Bottom