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I failed it up live...

A little off topic

Would a pedal power supply with a battery clip adapter work in an emergency?
I think it'll work, you'd have to stand/sit very close to an outlet but you'd have sound
I'd try it out myself but I don't have any active basses.
 
On my active basses I just replace the batteries on all of them right around January 1st every year so I don't forget. This leaves plenty of room for margin of error, even if I do occasionally forget to unplug one overnight. Never had a battery failure.
 
I think this is something that should be a bigger consideration when choosing an instrument that is going to be all you use.

So - don't take along something that won't make a sound without batteries. I really like how the 55-02 will convert to passive mode just by pulling up the volume knob! :)

A great feature!
 
I think it was EBS that allowed phantom powering of active basses: Most active basses use a standard TRS jack for the output jack. When you short the ring and sleeve with a standard instrument jack (TS), you complete the connection and the battery powers the active circuit. What EBS does is put a voltage on the ring and sleeve, which powers the circuit instead of drawing from the battery.

It'd be very simple to hook a 9v wallwart on a TRS jack and do the same thing. I've often wondered why no one offers this sort of thing commercially.

KO
 
A little off topic

Would a pedal power supply with a battery clip adapter work in an emergency?
I think it'll work, you'd have to stand/sit very close to an outlet but you'd have sound
I'd try it out myself but I don't have any active basses.

Wouldn't it be easier to keep 1 or 2 9v's in your case than a power supply?



I change mine twice a year, just to be safe, and always make sure to unplug my cord from the jack between sets.