Another Newbie finished Zen4 !

frankv · 8th December 2002, 03:59 PM

It's done!

First of all I need to thank everyone on this forum. I would not have had attempted such a project without all the knowledge stored here and all the help available. Halojoy and Jag for helping with my earlier issues..thanks. Peter Daniel..thanks for all the posts here especially the aluminum construction ideas. (I only hope my next project could look as good as some of yours...awesome!). And most importantly thanks to Nelson and Karen at passdiy for the boards, Qpacks, and design documentation!

I'm very happy with the outcome for my first amp.

Aluminum was purchased from onlinemetals.com and cut to exact size using my table saw. Power supply was built following the schematic on the passdiy website using avel lindberg torroids (2 @ 250va). Each channel uses 2 20000uf caps. The boards and original Q's are from passdiy, other electronics from digikey. The binding posts where from welbournelabs.com.

Now to find a good speaker design to build and then, maybe then a bigger Aleph...

Thanks a bunch..here are a few pics of the finshed amp.

Frank

frankv · 8th December 2002, 04:00 PM

Front

frankv · 8th December 2002, 04:02 PM

inside

frankv · 8th December 2002, 04:03 PM

blue led works. Thanks for the simple design Peter Daniel (wrap wire around torroid)

MikeW · 8th December 2002, 04:08 PM

Very nice. Blue LED's look great. Is it keeping the cat warm? What is your next project?

Kermit · 8th December 2002, 05:18 PM

Very nice!

I’ve been thinking about wrapping wire around the torrid for my amp project too. Nice to see that it works. Did you just wrap the wire and measure every turn, or did you calculate how many turns you needed to get the right voltage? If so, how?
Nice work with the aluminum, how did you finish it? Lacquer? Anodizing? It looks really good.

jleaman · 8th December 2002, 06:43 PM

Looks awsome man i like that. here is alink to my photo album on a site look at my layout. for my zen4.

http://hackingthemainframe.com/gallery/jleaman

Dennis Hui · 8th December 2002, 06:50 PM

Congratulation! Very nice indeed.

BTW, how hot do those heatsinks get?

Dennis

jleaman · 8th December 2002, 06:53 PM

I duno. what amp your talking about. If it is the ZEN I dont know yet because im still in the prosses of building the amp. that pic is 5 days old : O ) The other amps are my n-channel and my personal design from my dad.

Buhl · 8th December 2002, 08:47 PM

Hi Frank
Nice amp you've made there - especially the metal work !

I notice an Aleph amp behind the cat, and I'm curious - how is the sound compared to the Zen4 ??

Cheers

Hans

8th December 2002, 04:08 PM	#5
MikeW diyAudio Member Join Date: Sep 2002 Location: North of Boston	Very nice. Blue LED's look great. Is it keeping the cat warm? What is your next project? __________________ MikeW

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8th December 2002, 05:18 PM	#6
Kermit diyAudio Member Join Date: Jun 2002 Location: Oslo - Norway	Very nice! I’ve been thinking about wrapping wire around the torrid for my amp project too. Nice to see that it works. Did you just wrap the wire and measure every turn, or did you calculate how many turns you needed to get the right voltage? If so, how? Nice work with the aluminum, how did you finish it? Lacquer? Anodizing? It looks really good.

8th December 2002, 06:43 PM	#7
jleaman Banned Join Date: Apr 2002	Looks awsome man i like that. here is alink to my photo album on a site look at my layout. for my zen4. http://hackingthemainframe.com/gallery/jleaman

8th December 2002, 06:50 PM	#8
Dennis Hui diyAudio Member Join Date: Aug 2002 Location: Toronto, Canada	Congratulation! Very nice indeed. BTW, how hot do those heatsinks get? Dennis

8th December 2002, 06:53 PM	#9
jleaman Banned Join Date: Apr 2002	I duno. what amp your talking about. If it is the ZEN I dont know yet because im still in the prosses of building the amp. that pic is 5 days old : O ) The other amps are my n-channel and my personal design from my dad.

8th December 2002, 08:47 PM	#10
Buhl diyAudio Member Join Date: May 2002 Location: Aalborg, Denmark	Hi Frank Nice amp you've made there - especially the metal work ! I notice an Aleph amp behind the cat, and I'm curious - how is the sound compared to the Zen4 ?? Cheers Hans

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