Aleph 5 finally completed

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icceman

icceman

Member
Joined 2002
The Aleph 5 under construction thread:
http://www.diyaudio.com/forums/showthread.php?s=&threadid=10539&highlight=another+aleph

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

Logo plate

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The faceplate

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

PTFE foam tape is used to insulate the wooden faceplate from the metal chassis


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

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

Without the fan covers
 
icceman

icceman

Member
Joined 2002
An externally hosted image should be here but it was not working when we last tested it.

Side view

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Back view

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With the PSU cover

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

Close up shot.
 
icceman

icceman

Member
Joined 2002
An externally hosted image should be here but it was not working when we last tested it.

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

Front View


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

Cool blue


Some measurements (Room temp = 30C) :
----------------------------------------------------
Mosfets temp (after 1 hour) : 75C
Copper plate temp : 65C
Heatsink temp : ?? (cannot reach the heatsink)
Inductors temp (enclosed in PSU case) : 50C
Schottky rectifiers temp : 60C
Transformer temp : 45C
Output DC Offset : 15mV (left), 12mV (Right)
PSU output underload : +/- 40.5V
Current drawn (AC) : 1.5A-1.6A
Power Comsumption : 345W - 368W
DC bias : 2.13A - 2.27A
Dimensions : 72cm x 54cm x 24cm
Weight : 50kg
PSU filter capacitance : 300,000uF (150,000uF per channel)
 
icceman

icceman

Member
Joined 2002
Re: Congartulation!

mpopovics said:
Excellent work!
Have you made the box yourself, or with some help?
Milan
Click to expand...
It's custom made (CNC machine) using 2mm steel and powder coated in black. The ventilation holes and IEC opening were made using a hydraulic punch. It's cheaper for me to send the design to a machine shop as it'll cost me more to buy all the tools.
 
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