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4. INSTALLATION & CONNECTION:
4.1 Mains Connection
- Please ensure that the LTO MICtube Stereo Microphone Preamplifier is connected
to the correct supply voltage before operating this unit.
- Only use the 18VAC AC/AC Adaptor provided by LTO.
4.2 Audio onnectionC
a. Wiring Configuration
b. In Line Connection
8
The presents with balanced XLR connectorsLTO MICtube Stereo Tube Preamp
and 1/4" TRS phone jack and it can be interfaced by several ways to support a
variety of applications without any signal loss.
Either the 1/4" TRS (Tip-Ring-Sleeve) phone jack or the XLR servo connector can
be wired in balanced and unbalanced modes, which will be determined by the
actual application status, Please wire your systems as the following examples:
For 1/4" Phone jack
For XLR connector
XLR Type alancedBXLR Type Unbalanced
Pin3 (-)
Pin2 (+)
Pin1 ( )
(Linked to Pin1 manually, )
Pin1 ( )
Pin2 (+)
Pin3 (-)
TRS Type Balanced
Tip
Ring
Sleeve
+
-
TRS Type Unbalanced
Tip
Ring
Sleeve
+
TS Type Unbalanced
Sleeve
Tip
+
For these applications, the MICtube Stereo Tube Preamp provides XLR con-
nectors and 1/4" TRS phone jack to easily interface with most professional audio
devices. Follow the configuration examples below for your particular connection.