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.

Two new amps: Pass F5 and GR-25

Featured Replies

  • Author

a couple cool projects have popped up recently, one by Papa himself and one by John Curl's number one fan, Grey:

http://www.diyaudio.com/forums/showthread.php?s=&threadid=120673

http://www.diyaudio.com/forums/showthread.php?postid=1484933#post1484933

Just figured someone around here might be interested!

I think this would make a snazzy preamp myself, perhaps using the 2sk389/2sj109 as input jfets instead, er and remove the 500 ohm resistors....

[img width=121 height=150 alt=GRFE]http://www.head-case.org/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=2349&g2_serialNumber=2&g2_GALLERYSID=07294709821172ddd05f5fcbe96431fa

  • 1 year later...

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.