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Adam's Amplifiers
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Oh my god, an update!
25 August 2008, 10:30 by adam

I’ve cleaned up the subminiature page, pruning dead links, updating links wherever possible, and adding a whole bunch of links to submini-tube based projects.

Some of the new links are:

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A full subminiature amp
18 May 2006, 14:23 by adam

Jon Anderson just let me know about an amp he’s built using 6112 and 5902 subminiature tubes. The 6112 is a dual triode (mu around 70, I think, like a 12AT7, and the 5902 is a power pentode. He’s posted a schematic and sound clips – it’s sounds great! Go check it out.

Comment [7]



Four Different Overdrive Pedals
1 March 2006, 09:23 by adam

This pedal update has an interesting twist – the site Runoff Groove has taken several classic tube circuits and adapted them as pedals using MOSFETs. MOSFETs actually behave in a very triode-like manner.

They’ve taken the Matchless DC/30 design and adapted it as the Matchbox, the Dumble Overdrive circuit as the Umble, and the Boogie Mark I as the Uno. In fact, there are even more – check out their articles page.

These look pretty interesting, and I’ll probably build one, or even all three, of them at some point.

Ted Woods also tipped me off to another tube pedal, the Stephenson Amps Stage Hog, which uses a 12AX7 and a 12AU7 and can be operated as a tube distortion pedal or a practice amp.

Comment [1]

Site fixed
10 February 2006, 09:43 by adam

Sorry for the couple of days that navigation was broken. An automated cleanup process deleted the .htaccess files, so all the redirects weren’t functioning for a bit. It’s been fixed.

We now return you to your regularly scheduled soldering.

Comment [2]

Parts for Visio schematic and layout diagrams
7 February 2006, 09:47 by adam

If you use Visio for drawing schematics and layouts, I just uploaded a huge collection of diagram components for both. It’s a ZIP file full of Visio files which you can copy & paste out of. Don’t miss the fact that many have multiple pages.

This used to be up on my old site years ago – thanks to Carl for reminding me of it!

Comment [1]

Three low-volume links
31 January 2006, 17:10 by adam

I’ve got a huge backlog of unsorted links (it’s been over 14 years since browser bookmarks were invented – why do bookmark managers still suck?), which I’m going to start posting here as categorized entries.

Today, we’ve got a few low-volume links.

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