FET input jacks
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txbluesboy
- Posts: 387
- Joined: Mon Apr 02, 2007 3:52 pm
- Location: Dallas area
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FET input jacks
Who stocks the Switchcraft 14B stereo jacks we need for the FET input?
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tubedogsmith
- Posts: 597
- Joined: Mon Jan 17, 2005 11:52 pm
Re: FET input jacks
Here's the mouser part number for the one I use, 502-14B
Re: FET input jacks
All the pictures I have seen show an enclosed jack like Kobiconn 161-0083-E
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txbluesboy
- Posts: 387
- Joined: Mon Apr 02, 2007 3:52 pm
- Location: Dallas area
- Contact:
Re: FET input jacks
Sorry for the late chime in. The thing is that the FET jack should have an isolated break function, like the switchcraft 13E type (Dumble uses a nylon bushing version with similar functionality). The way to wire that is: the output of the FET goes to the switching contact on the normal jack, such that when you plug into the normal jack, you defeat that connection and get your guitar's signal straight to V1A. Then, the switching (independent break) part of the FET jack connects the output of the FET to ground -- and that connection is broken when you plug into the FET jack.txbluesboy wrote:Thanks everyone. I've got some coming.
Terry
The reason for that is, if you don't ground the output of the FET, you will get a lot of hiss when nothing is plugged into the amp. If you don't care about that, you can use two regular jacks and live with the noise -- unnecessary, IMNSHO.
Cheers,
Gil