Any way to mod F-1X so that it doesn'...

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Author Message ryanmross New Username: ryanmross Post Number: 1 Registered: 1-2014 Posted on Saturday, January 11, 2014 - 12:59 pm:    Hi there, I run a normal bass into input one and a keyboard bass into input 2 of the F-1X, but I notice that it attenuates the input signal of both when I have both plugged in at the same time. Is there any way to mod it so that it doesn't bring down the signal level like that? Thanks! Ryan jazzyvee Senior Member Username: jazzyvee Post Number: 3804 Registered: 6-2002 Posted on Saturday, January 11, 2014 - 3:14 pm:    Hi Ryan welcome to the forum. Assuming that you are playing the instruments yourself and you are not sharing the F1-x with someone else playing simultaneously, then an option worth considering is using an A&B footswitch with its output into input one of the F1-x and use the switch to select which instrument is going into your rig. However if your preferred requirement really is to modify the f1-x, then I'm confident someone here with electronics knowledge will soon offer you some specific guidance. Jazzyvee ryanmross New Username: ryanmross Post Number: 2 Registered: 1-2014 Posted on Saturday, January 11, 2014 - 4:50 pm:    Yeah I would do that except that I have a song that goes back and forth between real bass and keyboard bass too quickly to use an ab switch. I either need to mix the two signals together before going into the preamp or I need to figure out how to keep the preamp from attenuating the signal when 2 inputs are plugged in. Anybody know if there's a mod for that? Thanks! mica Moderator Username: mica Post Number: 8087 Registered: 6-2000 Posted on Tuesday, January 14, 2014 - 3:03 pm:    Without the attenuation they would short eachother out, so there is no mod. Each one is half voltage and mixed through equal resistors. If you've got both instruments plugged in all the time, does the attenuation matter much? What I mean is, can you turn the volume up on the F-1X? ryanmross New Username: ryanmross Post Number: 3 Registered: 1-2014 Posted on Wednesday, January 15, 2014 - 10:09 am:    Thanks Mica, Yeah that's what I have been doing, which works okay. I just get a lot more hiss that way since I have to up the gain quite a bit. The tone sounds so much better with just one or the other plugged into input 1, so I was going to try to see if there was a way to make it all work. What would you suggest? Should I get a little active mixer to mix the signals before going into the alembic? lbpesq Senior Member Username: lbpesq Post Number: 5632 Registered: 7-2004 Posted on Wednesday, January 15, 2014 - 12:10 pm:    Why not get a F-2B stereo pre-amp? Bill, tgo