Aleph with BrianGT boards - Page 3 - diyAudio
Go Back   Home > Forums > Amplifiers > Pass Labs

Pass Labs This forum is dedicated to Pass Labs discussion.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 19th January 2012, 10:29 PM   #21
pchw is offline pchw  United States
diyAudio Member
 
Join Date: Apr 2006
Location: Fremont, California
zeoN_Rider,

Gmail bounce back when I sent to your email address. The error was:

Quote:
Delivery to the following recipient failed permanently:

XXXXXX@sezanpro.rs

Technical details of permanent failure:
DNS Error: Domain name not found
I tried to PM you my email address, but your settings block all PM.
I will try again later to see this is gmail hiccup.....
__________________
- Fred -
  Reply With Quote
Old 21st January 2012, 01:56 AM   #22
dmsims is offline dmsims  United Kingdom
diyAudio Member
 
Join Date: Oct 2007
Experienced users look away now!

Aleph 30

I am doing exactly the same as the OP

have built and tested the PSU board and waiting for the case by sea

any comments welcome
  Reply With Quote
Old 2nd April 2013, 11:07 PM   #23
diyAudio Member
 
Join Date: Jun 2007
I realize this thread goes back a little over a year but I'm in the same boat. i have the BGT boards also and wanting to build an Aleph. Correct me if I'm wrong but this board set could be used to build any of the Alephs correct? At least the Vgain stages are the same that I can tell from KK schematics online. I'm interested in building Aleph 4 which I believe is stereo 100W/channel??? Would love some feedback from someone that has used this boardset. Also wondering about the prior post showing red x on un-used or not needed parts.
Thanks
  Reply With Quote
Old 2nd April 2013, 11:15 PM   #24
diyAudio Member
 
Join Date: Feb 2009
do you need it to be a stereo amp? aleph2 monoblocks is a better option.
and yes. you can use those boards for any of the aleph's. just get some extra output boards. you can also build any of them with J-fet input stage.
  Reply With Quote
Old 3rd April 2013, 05:36 AM   #25
6L6 is offline 6L6  United States
diyAudio Member
 
6L6's Avatar
 
Join Date: Oct 2010
Location: Denver, Colorado
Freecrowder - Yes, you can use those boards to build any version, just add more output boards as AudioSan says.

The first thing to do is determine how much heatsink you have/need. That will determine how much amp you can have. A decent rule of thumb is about 5X5 (or more) inches of finned heatsink per mosfet.

Yes, it adds up fast, and yes, anything more than about 40-50WPC needs to be monoblocks. (Unless you like enormous amp boxes)
  Reply With Quote
Old 3rd April 2013, 01:32 PM   #26
Mr. dB is offline Mr. dB  United States
diyAudio Member
 
Mr. dB's Avatar
 
Join Date: Dec 2003
Location: Arkansas
Since the BrianGT output boards don't fit the DIY Store universal mounting spec, I wonder if the BA-1 output boards could be adapted to serve as output boards for an Aleph?
  Reply With Quote
Old 3rd April 2013, 03:15 PM   #27
6L6 is offline 6L6  United States
diyAudio Member
 
6L6's Avatar
 
Join Date: Oct 2010
Location: Denver, Colorado
Quote:
Originally Posted by Mr. dB View Post
I wonder if the BA-1 output boards could be adapted to serve as output boards for an Aleph?
Taking a quick look at it, yes, I think it would work.

Great idea!!
  Reply With Quote
Old 3rd April 2013, 05:43 PM   #28
biju55 is offline biju55  India
diyAudio Member
 
biju55's Avatar
 
Join Date: Jul 2011
Location: Kuwait and India
Send a message via Skype™ to biju55
I am building an Aleph 30 with this PCB

Last edited by biju55; 3rd April 2013 at 05:46 PM.
  Reply With Quote
Old 4th April 2013, 12:28 AM   #29
diyAudio Member
 
Join Date: Jun 2007
OK, thanks for the replies guys. I know this is old thread. I plan on using vertical heatsinks from industrial drives. 24" H, 8.25 W, 2" deep fins. It will be vertical amp like a Mark Levinson. I have many more questions so I hope I don't impose. I want to use IRFP250 in the output stages because I have many laying around. Can I substitute those with out changing any other components? What is meant by the the BGT output boards not to DIY store spec. Is there some reason I can't use them. Finally are there some components on the front-end boards that are not used. Help is greatly appreciated. BTW I built the Pass A40 using same heatsinks and the temp on them are barely warm to the touch on a cool day. Is there a schematic showing part numbers for these boards?
  Reply With Quote
Old 4th April 2013, 01:24 AM   #30
6L6 is offline 6L6  United States
diyAudio Member
 
6L6's Avatar
 
Join Date: Oct 2010
Location: Denver, Colorado
I think this has the proper part numbers -

Click the image to open in full size.


From this page - Aleph 30

There is lots of fantastic info there.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
BrianGT boards....replacing a few parts? wboyd Chip Amps 2 27th August 2007 08:39 PM
transformer with 3886 (BrianGT Boards) mantisory Chip Amps 2 3rd May 2005 02:59 PM
BrianGT rev B boards -- What to do now? AAXenoStrange Chip Amps 1 20th December 2004 01:38 AM
WTB: BrianGT LM3875 boards guzzler Swap Meet 1 10th December 2004 10:34 PM
Wanted : BrianGT Aleph 2 boards dhole Pass Labs 0 5th December 2004 10:05 AM


New To Site? Need Help?

All times are GMT. The time now is 05:09 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2