swissonic USB Studio D - Rear Panel Connections; Mic 1;2 input jacks; Mic 1;2 phantom power switches; Mic 1;2 invert switches

Rear Panel 1 Mic 1/2 input jacks. Balanced XLR Mic inputs.
1=ground, 2=plus, 3=minus.
2 Mic 1/2 phantom power switches. When pushed
in, enable 48V phantom power on the Mic inputs,
and light the corresponding front panel leds.
3 Mic 1/2 invert switches. Invert the polarity
of the corresponding input when pushed in.
Useful for solving phasing problems.
4 Mic 1/2 insert jacks. Used for effect loops
before mixing. The insert jacks are wired with
tip=send, ring=return. The send signal is taken
after the level pot.
5 Instrument 1/2 input jacks. These are high
impedance mono (TS) inputs.
6 Turntable grounding terminal. A 4 mm banana jack
used to connect the chassis/shield of the turntable.
7 Phono/line selection switch. When released, the
phono/line input is configured as a RIAA
phono preamp. When pushed in,
it is a normal unbalanced line input.
8 Phono/line input jacks. L/R RCA inputs for phono/line.
9 Stereo jack inputs. Four 6,3mm stereo TRS
unbalanced line inputs.
10 Line output jacks. The signal on the monitor bus
before the monitor level pot is presented over
these RCA jacks.
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11 1012
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11 1012
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