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 ARCHIVED TOPIC: Schatten BJ-02 banjo pickup + LR Baggs Gigpro, does it need phantom power?


Please note this is an archived topic, so it is locked and unable to be replied to. You may, however, start a new topic and refer to this topic with a link: http://www.banjohangout.org/archive/352235

Ed Banjer - Posted - 03/17/2019:  16:09:54


I attached one of these pups to me open back banjer a coupla years ago and have successfully used it plugged into house PA. Now it is a passive pickup, which means I bought an LR Baggs Gigpro belt clip preamp.



The reason I'm asking this is because I thought the pickup required phantom power. But after inspecting the battery, I inspected the phantom power switch on the preamp and noticed it was turned off. How would my pickup function successfully at various open mikes with the phantom power switched off on the preamp device? And of course my next question is.... should I turn it on?


Edited by - Ed Banjer on 03/17/2019 16:25:20

Bubbysaar - Posted - 03/17/2019:  19:08:43


idk about the baggs but i use the Schatten and it does not require it. just a Preamp.

Bubbysaar - Posted - 03/17/2019:  19:57:56


Also Phantom power is normally reserved for condenser mics. Not necessarily pickups. For the Schatten BJ02 or any style of Piezo pickup you will just need a decent pre-amp. Phantom power is not required.

Old Hickory - Posted - 03/17/2019:  20:35:52


quote:

Originally posted by Ed Banjer

... I thought the pickup required phantom power. But after inspecting the battery, I inspected the phantom power switch on the preamp and noticed it was turned off. How would my pickup function successfully at various open mikes with the phantom power switched off on the preamp device? And of course my next question is.... should I turn it on?






What does the manual say?



I checked the product page and I see that the Gigpro offers the dual options of battery or phantom power.  This means it doesn't require either, just one.  If you plug into a system that doesn't provide phantom power, then you need to run on battery power.  If the system provides phantom power, then by all means use it and save your battery for when it's needed.



I'd suggest removing  the battery, keeping it in your banjo case and only putting it in the Gigpro when phantom power isn't available.  I've taken the battery out of my LR Baggs pre-amp.



As to whether you should turn on phantom power, the reason I suggested checking your manual is that I have no idea if phantom power "on" is incompatible with a battery installed.



As to the pickup, others have answered: The pickup is passive. It doesn't require power. But it's a low-output device, so it requires a pre-amp or DI box.

rudy - Posted - 03/18/2019:  06:04:07


quote:

Originally posted by Ed Banjer

I attached one of these pups to me open back banjer a coupla years ago and have successfully used it plugged into house PA. Now it is a passive pickup, which means I bought an LR Baggs Gigpro belt clip preamp.



The reason I'm asking this is because I thought the pickup required phantom power. But after inspecting the battery, I inspected the phantom power switch on the preamp and noticed it was turned off. How would my pickup function successfully at various open mikes with the phantom power switched off on the preamp device? And of course my next question is.... should I turn it on?






Here's the answer from the Baggs Gigpro manual:



"I. Phantom Power Switch: If you are using a mini-mic that requires phantom power, open the Gigpro as described above. The phantom power switch is adjacent to the input jack. Caution: Do not use phantom power with anything other than a mini-mic or a device that specifically requires it. Damage may occur!"



It also states that you might experience thin and/or weak sound if you have the battery switch in the "on" position when it's not needed.



The Gigpro is a belt-worn pre that only has 1/4" mono jacks and cannot be powered from a PA via XLR cables; again from the manual.  The Mixpro is a whole different pre-amp with additional features, but you have the Gigpro.


Edited by - rudy on 03/18/2019 06:07:24

Old Hickory - Posted - 03/18/2019:  12:37:14


quote:

Originally posted by rudy

The Gigpro. . . cannot be powered from a PA via XLR cables; again from the manual. 





Aha!



Not at all what I was assuming. So the Gigpro phantom power switch is not for receiving phantom power, but for sending it!  And the O.P.'s Schatten definitely does not need phantom power.



That's what I get for not reading the manual for someone else.

Ed Banjer - Posted - 03/18/2019:  17:31:37


Thanks for the responses, everyone. Yes, I had read the "manual" for the Gigpro, which is a single page PDF that matches what is in the box. The Schatten has even less info available.

The most useful replies were the ones stating that the Schatten indeed does not require phantom power, which was pretty much all the replies. My initial incorrect assumption was that phantom power is what gave power to a passive pickup. I was wrong. Thanks again everyone!

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