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Old 27th December 2005, 12:14 AM   #801
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The top is the mini, the bottom is the 30 with the spreader bar.
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Old 27th December 2005, 12:15 AM   #802
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another pic...

The finish isn't as funky as it appears...
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Old 27th December 2005, 12:18 AM   #803
jleaman is offline jleaman  Belgium
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Looks sweet.. Good job. Hope you like them. My mini a's have now been running 1.5 months all day 24/7 no problems at all. Now to design and start building chassis ..

J'


This is a moc-up of a pair of chassis i would like to build My fins on my heat sinks will be facing up and Down like yours chpco.
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Old 27th December 2005, 01:45 AM   #804
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Those are cool.

Link?
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Old 28th December 2005, 05:34 PM   #805
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Default Grounding scheme...

Jason.. or anybody else who is watching this thread.

What was your best grounding scheme for the mini & 30...

Here's what I am thinking.

AC inlet ground ----> thermistor or R/C network---> chassis star.
Amp boards CGND ---> star
PS board ---> star

Good, bad or what?
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Old 28th December 2005, 05:40 PM   #806
jleaman is offline jleaman  Belgium
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Mine goes.

Ac line thermister on one ac rail > then to transformer> then to psu board. all my grounds go to psu board . my ground off the ac plug goes to the center of the psu board. :P

I have noticed that having a thermister on one amp it doesn't pop on startup but on power down it does the slightest..


Any one done any mods to get these babies sounding better if possible

My amp's have been running smooth i really like them. NOW to get chassis
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Old 28th December 2005, 05:50 PM   #807
steenoe is offline steenoe  Denmark
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Quote:
So here's my project...
Nice amp, Chipco Thats a neat way of clamping down those output fets Good work.
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Link?
Hmmmm, what about Classe.com or something like that Those Canadians....

Steen

BTW those chassis must be an overclockers dream Heatsinks enough!
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Old 28th December 2005, 11:23 PM   #808
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Quote:
Ac line thermister on one ac rail > then to transformer> then to psu board.
I understand the thermistor for the soft start on the hot AC...

I thought I would try a thermistor on the ground. NP shows it on his BOSOZ and credits the idea in his write up on the project. The tech explanation is that it tends to offer resistance in the loop but will conduct during a failure.

Anybody try this?
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Old 30th December 2005, 03:03 AM   #809
hayenc is offline hayenc  United States
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Default Up and Running

When I was able to pick up a pair of Aleph 2 mono chassis a little while back (trading post-audiohobby), my plans changed for these boards.

A few changed resistor values later, new trannies, and a couple of Aleph 2's from these boards are burning in. Will post pictures later when I can get a camera that does better close ups, but in a single word--wonderful.

And the case isn't even that much hotter than a summer day here in the valley.
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Old 30th December 2005, 03:07 AM   #810
xr000 is offline xr000  China
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Talking this is mine.

my A-M
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