dc coupled aikido output?

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In most cases you may have to replace a coupling cap with a DC servo, which almost invariably involves not only caps but also opamps and stuff like feedback stability. The net result could be worse. By all means don't use more coupling caps than is necessary, but don't use fewer than necessary either.

There is also the question of setting the LF rolloff. This has to be done somewhere and using the right value of coupling cap in the right place is a good way to do this.
 
If the amp you will use with it has an input coupling cap which can cope with the Aikido maximum possible DC output voltage, and you will never use one without a cap, or put a volume control between them, then you can omit the Aikido output coupling cap. Perhaps to remind yourself you should put a label on the back panel.

As I said, don't use less than the necessary number of coupling caps.
 
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