Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Chip Amps Amplifiers based on integrated circuits

Modulus-186 for a highly sensitive speaker
Modulus-186 for a highly sensitive speaker
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 27th January 2019, 04:09 PM   #21
tomchr is offline tomchr  Canada
diyAudio Member
 
tomchr's Avatar
 
Join Date: Feb 2009
Location: Calgary
Fantastic! Good to hear of your progress. I'm looking forward to the pictures.

Tom
__________________
Modulus-86, 186, 286, 286 Kit, & 686: 40-240W (8Ω) at <-120dB THD. HP-1: 3W/20Ω, -130dB THD, 128dB DNR.
Neurochrome : : Audio - www.neurochrome.com - Engineering : : Done : : Right
  Reply With Quote
Old 3rd February 2019, 05:45 PM   #22
jazzlampe is offline jazzlampe  Germany
diyAudio Member
 
jazzlampe's Avatar
 
Join Date: Dec 2018
Location: near Hamburg
Today I had some fun testing the power supplies and protections circuit. All is working fine. Tom's documentation helped a lot. I'm not that experienced so there is some uncertainty every now and then, but that concerns more the case and metal works to come.
I did not popupate the IEC connectors and switches since mains will be connected via Neutrik PowerCon and switched on via rotary switches on the front.
Now I wait for the MiniDissipante, knobs an switches to be delivered. This will be fun.
  Reply With Quote
Old 3rd February 2019, 06:35 PM   #23
jazzlampe is offline jazzlampe  Germany
diyAudio Member
 
jazzlampe's Avatar
 
Join Date: Dec 2018
Location: near Hamburg
Promised to post pictures, didn't I?
Attached Images
File Type: jpg IMG_20190120_163744.jpg (134.7 KB, 210 views)
File Type: jpg IMG_20190120_180129.jpg (140.0 KB, 211 views)
File Type: jpg IMG_20190127_114433.jpg (160.9 KB, 216 views)
File Type: jpg IMG_20190203_172008.jpg (135.2 KB, 215 views)
  Reply With Quote
Old 3rd February 2019, 09:11 PM   #24
tomchr is offline tomchr  Canada
diyAudio Member
 
tomchr's Avatar
 
Join Date: Feb 2009
Location: Calgary
Very cool. It's always good to see progress. Thanks for posting.

Tom
__________________
Modulus-86, 186, 286, 286 Kit, & 686: 40-240W (8Ω) at <-120dB THD. HP-1: 3W/20Ω, -130dB THD, 128dB DNR.
Neurochrome : : Audio - www.neurochrome.com - Engineering : : Done : : Right
  Reply With Quote
Old 10th February 2019, 12:53 PM   #25
jazzlampe is offline jazzlampe  Germany
diyAudio Member
 
jazzlampe's Avatar
 
Join Date: Dec 2018
Location: near Hamburg
Default Progress

Today I put my layout to the test. Rather tight around the power supplies, I must say. Al least for my chunky fingers...

Mains power will be led straight from the blue PowerCon connector under the guardian PCB to the front through shielded cable. From there I can keep all the wires as short as possible.

I also made a mockup panel design with an old b/w laser printer and red feltpen. So far I'm satisfied with the outcome.
Attached Images
File Type: jpg IMG_20190210_125401.jpg (770.7 KB, 161 views)
File Type: jpg IMG_20190210_142424.jpg (330.9 KB, 109 views)
File Type: jpg IMG_20190210_142548.jpg (493.0 KB, 93 views)
  Reply With Quote
Old 10th February 2019, 05:19 PM   #26
tomchr is offline tomchr  Canada
diyAudio Member
 
tomchr's Avatar
 
Join Date: Feb 2009
Location: Calgary
It looks like a tight squeeze for the power on LED outputs on the SMPS-86 boards. You can get a vertical version of the connector if needed. Mouser P/N: 571-284517-2 would be an example. Otherwise nice layout.

Which of the Mini Dissipante chassis is this? 2U x 300 x 330mm?

Tom
__________________
Modulus-86, 186, 286, 286 Kit, & 686: 40-240W (8Ω) at <-120dB THD. HP-1: 3W/20Ω, -130dB THD, 128dB DNR.
Neurochrome : : Audio - www.neurochrome.com - Engineering : : Done : : Right
  Reply With Quote
Old 10th February 2019, 08:00 PM   #27
jazzlampe is offline jazzlampe  Germany
diyAudio Member
 
jazzlampe's Avatar
 
Join Date: Dec 2018
Location: near Hamburg
The image shows the PowerCon and the speaker protection not in the right position. There will be enough space (at least 2cm) between the parts.

Yes, it's the 330x300. A fine case. The covers did not match but modushop will take care of that. They are very kind people.
  Reply With Quote
Old 10th February 2019, 10:11 PM   #28
chrisb is offline chrisb
diyAudio Member
 
Join Date: Aug 2002
Location: victoria BC
Whence the rather tasty knurled knobs?
__________________
Retired from active DIY
  Reply With Quote
Old 11th February 2019, 05:19 AM   #29
jazzlampe is offline jazzlampe  Germany
diyAudio Member
 
jazzlampe's Avatar
 
Join Date: Dec 2018
Location: near Hamburg
I got them at audiophonics (France). I was glad I found them but there is light and shadow: Like most of the chinese stuff the real thing doesn't look as neat as in the pictures. And they saved on the grub screws.
  Reply With Quote
Old 11th February 2019, 05:59 AM   #30
tomchr is offline tomchr  Canada
diyAudio Member
 
tomchr's Avatar
 
Join Date: Feb 2009
Location: Calgary
I seem to recall buying similar knobs at VT4C.

Tom
__________________
Modulus-86, 186, 286, 286 Kit, & 686: 40-240W (8Ω) at <-120dB THD. HP-1: 3W/20Ω, -130dB THD, 128dB DNR.
Neurochrome : : Audio - www.neurochrome.com - Engineering : : Done : : Right
  Reply With Quote

Reply


Modulus-186 for a highly sensitive speakerHide 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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Searching for a sensitive 12" fullrange speaker Bassjunk Full Range 20 13th October 2015 05:38 AM
extremely sensitive speaker for xtal radio? Bigun Full Range 18 19th March 2013 10:41 PM
FS: Highly required Gigawork DAC Atlplasma Swap Meet 3 18th April 2011 02:02 AM
FS: Zhaolu 2.5C Highly Modded BobM Swap Meet 3 10th December 2009 09:20 PM
Highly rated 4" jmar Full Range 17 24th October 2009 04:54 PM


New To Site? Need Help?

All times are GMT. The time now is 11:59 PM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 14.29%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
Copyright ©1999-2019 diyAudio
Wiki