Quad 405-2 State of the Art
After several weeks of work I presented my latest revised Quad 405-2 on Ebay today.
The dual-mono power supply by Dada/JPE gives a dramatical improvement of channel-separation and stability (see the other article about the dual power supply below).
Of course it has OPA 604's on board and the internal cabling is High-end. In used 4x MJ15003 power-transistors in this one.
Click on the pictures for High-res.
I love soldering but I hate taking digital pictures.
Stefaan
posted by Stefaan @ 6:55 PM
4 Comments:
Why did you use MJ15003 power-transistors instead of the zn3773 you use in your upgrade?
Hi,
Both transistors will do a very good job in the 405.
The 2N3773 is somewhat faster and the MJ15003 has somewhat more power.
Stefaan
You might want to concider moving R30/31 to the other side of the PCB as this removes the heat source from C10
Stuart
You might want to relocate R30/31 to the other side of the PCB as this removes the heat source from C30
Stuart
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