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Dual Under Saddle Pickups with Preamp
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=53277
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Author:  Mike OMelia [ Tue Jun 09, 2020 3:33 pm ]
Post subject:  Dual Under Saddle Pickups with Preamp

Obviously a rare requirement unless ur name is Mike Doolin or u are building a harp guitar.

Never been a huge fan of Pickup The World concept.

Question is this. Can a standard preamp (like my favorite, Fishman Matrix infinity) accept two UST pickups? I would prefer a system that would let me control volume and tone of both pickups separately with only a single 1/4 inch jack. I am not opposed to stereo jacks. Application is Harp Guitar.

Thanks, Mike

Author:  Mike OMelia [ Wed Jun 10, 2020 2:22 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

Is this a topic no one knows nothing about?

Author:  doncaparker [ Wed Jun 10, 2020 3:36 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

Mike--

If I were you, I would focus on preamps that are designed for dual sources, since you want independent control. Just google dual source acoustic guitar preamp and you will see some options.

Author:  SteveSmith [ Wed Jun 10, 2020 6:41 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

Mike, you will need a dual input amp since you want separate volume and tone for each UST. The dual inputs will need to be mixed into a final output signal to go to your 1/4" jack. Years ago I built a circuit to do just that for an electric guitar I built that had both magnetic and piezo pickups but I don't know of any commercially made units.

K&K makes a two channel amp that might do what you want but it is offboard amp with two 1/4" inputs.
https://kksound.com/products/dualchannelpreamp.php

Author:  Mike OMelia [ Thu Jun 11, 2020 3:00 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

I see plenty of dual source pre-amps. Problem is, they are for UST and microphone. Really looking for two UST, one active preamp with single jack. Use to own a double neck Ovation (POS, but pretty), It had two pickups and separate/b;ending controls and switches. So I know they exist. I'll keep looking. Pickup the world claims to have a solution but their website sucks.

Author:  SteveSmith [ Thu Jun 11, 2020 3:18 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

Mike, the unit I linked is designed for two pickups.

Sent from my moto g(6) using Tapatalk

Author:  doncaparker [ Thu Jun 11, 2020 3:57 pm ]
Post subject:  Re: Dual Under Saddle Pickups with Preamp

Maybe passive inside the guitar, with power and controls outside the guitar, is a path that gives you more options. You can use a stereo jack, and a splitter at some point, to send the signals to the two outboard preamps

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