Rear Panel Description; Connections - Avalon VT-737SP Operation Manual

4.1 Rear Panel Description

1 GROUND LINK
2-terminal barrier strip. Isolates chassis
ground from audio ground. To lift ground,
simply unscrew both phillips-head screws
and remove the metal strip held down by the
screws. Do not remove this link unless you
experience hum or AC noise.
2 AC INPUT & FUSE
Combination IEC socket, voltage selector and
fuse location. AC Voltage is factory set as
ordered. To change the factory voltage
setting, refer to the AC Voltage Selection sec-
tion of this manual in Chapter 3 (page 13), or
contact your authorized Avalon dealer.
To change the fuse, open the cover of the AC
voltage unit and pull the fuse lever.
3 LINK
Unbalanced 1/4" phone jack. Used for linking
compressor sections of two Vt-737sp's for
stereo operation.
4 LINE OUTPUT
Male XLR-3 connector, line output of unit.
Balanced DC-coupled, capable of +30dB into
600 ohms.
Page 18
5 LINE INPUT
Female XLR-3 connector. Active input when
INPUT is set to LINE. Balanced input for line
level signals to +36dB maximum.
6 MICROPHONE INPUT
Female XLR-3 connector. Active input when
INPUT is set to MICROPHONE. For micro-
phone-level signals to +30dB maximum. Also
provides +48V phantom power to micro-
phone when +48V switch is engaged.

4.2 Connections

The LINE INPUTS are an electronically
balanced Class A circuit with a nominal 20k
ohm input impendance. The connectors are
female XLR-3.
The OUTPUTS are a low impendance elec-
tronically balanced circuit which terminates
to a male XLR-3 connector.
All XLR connectors are wired:
Pin 1 ground
Pin 2 high (+)
Pin 3 low (-)
Avalon Vt-737sp Operation Manual
Operation and
Controls