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Patchbay pads signal by -18db

Hi,

I was testing this old Tascam PB-32 patchbay by running a 1'4" cable from one of the back jacks into the line in on my console, then plugging a bass into the matching jack on the front. It worked, but it attenuated the signal by -18db when compared to the bass plugged directly into the line in on the console. Does anyone know if this is normal for Tascam patchbays?

A Couple of Patchbay Questions

I trying to get a handle on wiring 2 ADC patchbays, but I have a couple of questions first:

1. If I set up all my console inputs to be accesable thru the patchbays, do I then use mic cables with TRS plugs to patch into an input that is normalled (mic inputs snaked from tracking rooms into PB and out to console channels)? And is it ok to run 48v phantom pwr thr the PB?

yet another patchbayquestion

why do i lose gain when i use a balanced patch cord from my rack synth to my patchbay? if i use an unbalanced patch cable in replace of the balanced patch cable i dont have to use the gain knob on my mixers line input. if i use the balanced patch cable i have to crank the gain and then i hear a buzzing noise.i thought that i should be using balanced patch cables rite?

Using Patchbay to create 2 headphone outputs?

My interface only has one headphone output, but I have just discovered that a friend will be visiting over the weekend to see we can jam and record together.

Having only one headphone output, I have thought about purchasing a headphone amp with more outputs, but then it occured to me that maybe the patchbay could do a job of splitting the signal.