Updating squeezebox classic firmware
And I’m 99% sure it will also, overall, outperform the others.
Just as a $2.49 wine can beat much more expensive wines in blind tasting, so can an inexpensive headphone amp.If someone wants to roll the dice and make a few hundred O2 amps things get even better.They can buy in volume, run the circuit boards on a wave solder line, and probably sell the O2 at a nice profit for $99 or less.” Here are some possibilities: PLEASE DON’T MESS UP A GOOD THING: Many of the smaller commercial audiophile manufactures apparently lack the ability to properly measure the performance of their products.And DIY designers are typically even less well equipped.These changes are related to some users reporting their O2 would rapidly turn on and off when the batteries were low.
This issues seems to be very battery specific (my O2 amps shut down OK).
THE RESOURCES: Pictured to the right (click for larger) is the final PCB version.
Here the resources for the O2 project: POWER CYCLING & NOVEMBER DESIGN CHANGE: I revised R25 from 2.7M ohms down to 1.5M ohms and R9 from 40K down to 33K.
The reality is you The O2 is Open Source Hardware under a Creative Commons license.
In addition to the language in the CC-BY-ND License, the O2 design is offered “as-is” with no warranty of any kind, either expressed or implied, including its suitability for anything you might want to use it for. In plain English: If you can’t make the O2 work correctly, or as you had hoped, or damage your headphones, or your house burns down and your wife leaves you, you can’t blame me. For more, please see: Open Source Hardware This work is licensed under a Creative Commons Attribution-No Derivs 3.0 Unported License.
The new values should help it stay off at least long enough to turn it off.