VAC Phi 2.0 Master Control Preamplifier - Manual (Page 8)

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INPUTS (back panel)
Five pairs of RCA jacks accommodate unbalanced line level sources. These are labeled "IN1"
through "IN5".
"IN6" can accept a balanced signal on XLR connectors or an unbalanced line level source via
RCA jacks. Set the “IN 6 MODE” switch accordingly.
Note: not all sources with XLR connectors are balanced. Many are unbalanced, with pin 2
or pin 3 tied to ground. The Phi Preamplifier accepts such sources.
The “CINEMA” inputs accept an unbalanced line level source via RCA jacks.
One pair of RCA jacks accommodate the monitor return from a tape deck. If you do not
have a tape deck, these jacks can be used as an additional line level input.
Two phono inputs are provided for "MC" and "MM" cartridges. The ground lead from the
turntable should be connected to the binding post located by these jacks.
OUTPUTS & GROUNDING SWITCH (back panel)
One pair of RCA jacks provide line level output to a tape recorder. The level of signal is not
adjusted by the volume control.
Two sets of RCA output jacks are provided as main outputs to power amplifiers. In addition,
two pair of XLR jacks can be used to drive a power amplifier. The “OUTPUT MODE” switch
must be set accordingly.
Do not connect an unbalanced load with “pin 3 hot” to the XLR connectors.