Skip to content
View in the app

A better way to browse. Learn more.

www.Head-Case.org

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

What Are You Building Today

Featured Replies

  • Replies 2k
  • Views 448.1k
  • Created
  • Last Reply

Top Posters In This Topic

Most Popular Posts

  • So Tice removed a deck at his job site, which is Armistead Maupin's former home. In his genius he recognized it to be Brazilian Ipe that was only screwed down from one side. The new owner eventually a

  • Just put up some shelves and cabinets in the shop space preparing for making things again!

  • The Cherry is lighter than the speakers, but will darken quickly next to the window. I have a vented front plate coming for the top space. The cooling fan sits in that space, and is really quiet.

Posted Images

Speaking as someone with much experience here, the "hole" should always be bottom!

  • Author
But, but - they are upside down! The bases will come out with the wrong phase


If you look very closely at the picture, he manufacturer agrees. It's my wife who had to be reckoned with. In fact, if you look at some of the Amazon Q&A for wall outlets this seems to be a popular question "Can these be installed the "right" way" :)

Due to the lack of interest and/or skill of people here, I have closed my For Sale ad and will assemble the item in question.

And, no, the assembled unit will not be up for sale.......

 

For Sale.jpg

Edited by wink

  • 1 month later...

Finally finished casing my Blue Hawaii today. Running on my "universal" PSU that also powers my HV Carbon.

400VDC and 18VDC rails, 20mA plate current. The heatsinks warm up to about 42C (108F) and stabilize, about 22C (40F) rise from ambient temperature.   

The chassis is a Breeze Audio 3608A, one of 5 chassis I bought from Breeze Audio at TaoBao. I requested that the front and rear panels be left plane, un-drilled. Works quite well. 

 

BH - front.JPG

BH - interior.JPG

BH - rear.JPG

BH - with PSU.JPG

BH - with tubes.JPG

Edited by mwl168

Very nice!

Low voltage +/-18 volts, right?

Yes, the GRLV 18VDC rails are for the 2SK170 front-end.

Very nice!

Hows the amp sounding compared to your Carbon?

Fogless misting system for my mill :)

IMG_0199.thumb.JPG.478d6b67c6f79fcacf116b51552af2ba.JPGIMG_0200.thumb.JPG.7d507d8319e6afa74d54ea9ab13c251c.JPG

 

I'll be able to turn this on and off from the milling software via the solenoid on the left (below)

IMG_0201.thumb.JPG.712f5cf841efddb03da1a4ba8430f116.JPGIMG_0207.thumb.JPG.9a0b44f4df9e54751dbeb90524309d1c.JPGIMG_0209.thumb.JPG.1969c54caba4f8339247b4e2310984fd.JPG

  • 2 weeks later...

A phono preamplifier with the LME49720. Testing a channel before ordering PCBs

 

 


 

RIAA.jpg

On 2017/2/6 at 2:29 AM, mwl168 said:

Yes, the GRLV 18VDC rails are for the 2SK170 front-end.

what's the difference between 15V and 18V?

23 minutes ago, luvdunhill said:

3V, in most cases.

:lol:

1 hour ago, joehpj said:

what's the difference between 15V and 18V?

All joking aside, no particular reason really. It's DIY and I like to tweak and experiment.

18V is well within the operational spec of the 2SK170/LSK389 and other associate parts.  I happened to build a 18V GRLV for my SS Dynalo and decide to re-purpose it and build 20V GRLV for the SS Dynalo instead... 

  • Author
= 3000 minivolts

 

Is that some new SI unit of measurement? We Americans don't always get the memo on what the rest of the world is doing.

It's actually only 45.63 minivolts, but this slightly odd conversion factor is probably the main reason why the minivolt isn't commonly used :rolleyes:

 

//UFN

Please sign in to comment

You will be able to leave a comment after signing in

Sign In Now

Important Information

By using this site, you agree to our Terms of Use.

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.