Beginner to build an Aleph30 needs some help

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#61
Ok, I just ordered the parts as well as the fets from h_a....just have to wait now

I will make an illustrated WIP of sort (I won't pretend to do a guide, as I was the one witch will need to be guided😛 ) as It can perhaps help other beginners like myself to do the job.

I'm really looking forward the building/testing stage
 
#62
I'll probably receive my Digikey order on Monday, fun will finally come😉

I'm thinking about pre-transformer stage, do you think a filtered Iec inlet will be a significant addition or a standard outlet suffice?

Also, do you think I shall consider a softstart module to moderate inrush current inside the psu?
 
#63
If you have an IEC with a filter, and it's rated for 500W or more, it's not going to hurt anything.

The softstart is nice, leave room for it, but don't try to do it with the rest of the build - you can add that complexity later.

Please take lots and lots of photos and post them, any information you can post of your build will be very helpful for anybody interested, as well as troubleshooting if there are any issues.

Looking forward to seeing your build!
 
#64
6L6 said:
Please take lots and lots of photos and post them, any information you can post of your build will be very helpful for anybody interested, as well as troubleshooting if there are any issues.

Looking forward to seeing your build!
Click to expand...

I'll take as much photograph as possible, I really want to give back all I learned from all of you. If it can help anyone, It will be half the pleasure of doing all of this

I'll begin on monday or tuesday with the psu board.
 
#72
just saw this thread.

you're getting a lot of great advice from guys that know a lot 🙂

My advice is just this... you need BIGGER heat sinks. Alephs run HOT.

unless you can dedicate 1 of the heat sinks you pictured for each mosfet you mount... (2 with a fan) - you're going to have problems.

Alephs run HOT! 😎


Good luck and happy building... if I could do it, you can do it 🙂
my Aleph 2 dimensions 19"H x 16"D x10'W
 
#74
ZM, i realized that after drilling and tapping 12 holes! (actually... 24!)

The problem was my drill press didn't have a deep enough clearance to mount the FETS in the middle of the sink.

Only upside is it's such a massive heat sink it's not really that much of a problem.

I had thought of refurbishing it on it's 10 year anniversary, by just flipping the sinks and rebuilding the bottom of the amp... 🙂 maybe turn it into an Aleph J2? 😎

Cowneko's adventure has brought back sweet Aleph memories - can't wait to see his finished project and what i'm sure will be his happy face!
 
#75
moe29 said:
just saw this thread.

you're getting a lot of great advice from guys that know a lot 🙂

My advice is just this... you need BIGGER heat sinks. Alephs run HOT.

unless you can dedicate 1 of the heat sinks you pictured for each mosfet you mount... (2 with a fan) - you're going to have problems.

Alephs run HOT! 😎


Good luck and happy building... if I could do it, you can do it 🙂
Click to expand...

Hello,

Well, of course I got two heatsinks (one per channel) and I plan on using a 140mm fan (silent one) to cope with the heat 😉

I'll start the building today I think (the PSU part)
 
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