[1524] 3PDT switches

Date: November 8th, 2013 | Comments : [8] | Categories: DIY.

3pdt switch types

Here are the Standard 3PDT, Pro 3PDT and Premiere 3PDT switches…



[1515] SOS page uploaded

Date: September 8th, 2013 | Comments : [2] | Categories: DIY.

SOS pcb

I just discovered that the Son-of-Screamer information page had never been uploaded. Yikes!

It is now available online here.


[1508] Voltage Doubler Test

Date: September 7th, 2013 | Comments : none | Categories: DIY.

Voltage Doubler pcb

I decided to do some tests on the voltage doubler kit to see how it compared to the stock circuit from a datasheet.


[1492] Notes from the Bench

Date: September 2nd, 2013 | Comments : [2] | Categories: DIY.

AMZ Cab-Sim pcb

Notes from the Bench



[1476] Fake GE Diodes

Date: August 7th, 2013 | Comments : [6] | Categories: DIY.

Fake Ge diodes

According to my tests, these are fake germanium diodes that I just bought off Ebay from a Hong Kong seller.


[1472] New PC Boards!

Date: August 5th, 2013 | Comments : none | Categories: DIY.


Two new pc boards for overdrives are now available: the Son-of-Screamer overdrive and the classic Son of OD-1 overdrive. See them on the catalog page.

Also, the Buffer pcb is back in stock.


[1464] Multi-Fuzz and Tweed Stack in stock

Date: July 27th, 2013 | Comments : none | Categories: DIY.

The Multi-Fuzz pcb and the Tweed Stack pcb are back in stock.

There are also two new pc boards coming soon… the Son of Screamer and the new SOD-1 Transparent Overdrive. I’ll post a note here once I have finished the documentation on those two boards.


[1453] Gear Pron

Date: June 12th, 2013 | Comments : none | Categories: DIY.

Protected Voltmeter

Sylvain is an excellent photographer and has over 1000 photos of obsolete tech on his Flicker page. Beautiful work! Check it out:

Obsolete Gear Pron



[1450] Fundamentals Friday

Date: June 7th, 2013 | Comments : none | Categories: DIY.


Dave Jones has a new feature on the EEVblog called Fundamentals Friday. Good stuff, so check it out!

Fundamentals Friday


[1441] Pedals Music Video

Date: May 7th, 2013 | Comments : none | Categories: DIY.

Pedals video still

“Pedals” – Music and Video by Conte

Behind the scenes of this incredibly complex production:


Pedals Music Video:




AMZ Home Page

Guitar FX PCBs