Cloud-electronics Z4ii Instrukcja Użytkownika Pobierz pdf (Strona 11)

Z4II & Z8II Installation and User Manual v1.0 1111

manuals with each item for guidance on how the outputs

should be connected to an unbalanced input.

However, the wiring methods shown in g.11 and g.12 will

work in a large number of cases. If hum or other distortion

is found to result, try disconnecting the ‘cold’ leg of the

balanced output (pin 3 on XLRs).

Unbalanced

input s

LEFT

RIGHT

SCN

When using single-core cable,

join ‘cold’ to screen at the

source

LEFT RIGHT

pin 1 ground

pin 2 hot

pin 3 cold

Balanced outputs (XLRs):

g.11: Balanced - Unbalanced input #1

Unbalanced

inputs

LEFT

RIGHT

SCN

When using twin-and-screen

cable, join ‘cold’ to screen at

Z8II/Z4II end

LEFT RIGHT

pin 1 ground

pin 2 hot

pin 3 cold

Balanced outputs (XLRs):

g.12: Balanced - Unbalanced input #2

Zone outputs

Connect the inputs of the power ampliers feeding the

loudspeakers for each zone to ZONE 1 to 8*. Note that

the zone outputs are all mono. All outputs are balanced and

will drive input impedances down to 600 Ω. Nominal output

level is 0 dBu (775 mV). The output is designed to drive

professional/industrial power ampliers with balanced inputs

(typically on XLRs). In this case, wire as the diagram in g.13.

Note that the screen can be left unconnected at the source

end if earth loops are a problem.

*ZONE 1 to 4 only on Z4II.

SCN

pin1ground

pin2hot

pin3cold

Balanced outputs (XLRs):

SCSCN

Z8II/Z4II Balanced output:

pin 1 ground

pin 2 cold

pin 3 hot

The screen connection at the

zone end may be omitted if it

helps reduce earth loops

g.13: Balanced connection

Unbalanced inputs

If audio ampliers with only unbalanced inputs are being

used (e.g. hi- ampliers), the following wiring should be

adopted:

SCSCN

Z8II/Z4II Balanced output:

pin 1 ground

pin 2 cold

pin 3 hot

When using single-core cable,

don’t connect ‘cold’ at the

Z8II/Z4II

Unbalanced input (e.g. phono)

g.14: Balanced output - Unbalanced input: using single-core screened cable

SCSCN

/Z4

Balanced output:

pin 1 ground

pin 2 cold

pin 3 hot

Unbalanced input (e.g. phono)

When using twin-and-screen

cable, don’t connect the screen

at the amplifier end.

g.15: Balanced output - Unbalanced input: using twin-core screened cable

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

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