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Inside view: Audiolab Q DAC

Some internal shots of an Audiolab Q DAC.

The OPAMPS are OPA134

There is no short circuit protection for the outputs which is a bit of a glaring omission.

The relays mute the outputs at switch on, and when headphones are plugged in,

however they do not add as protection ciruits for the output stages.

It looks as though the output stages run in class a going by the amount of heat generated.

I really would like to get a schematic for this, but so far all I've been able to find

is a schematic for the 'M' DAC.

Click the images for a larger view

gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC gtkc.net - Inside view: Audiolab Q DAC

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