Connections - Redx sapphire iii Owner's Manual

Connections

Make sure the power switch is off before attempting to make any input or output connections. By using
good quality input and speaker cables, the likelihood of erratic signal behavior is reduced to a minimum.
Whether you make them or buy them, look for good quality wires, connectors and soldering techniques.
Analog input connectors
Sapphire III analog input is provided by a combination jacks using XLR, balanced 1/4" TRS. Signal polarity
for XLR and TRS plugs is shown:
XLR-M Pinout
Pin 1 GND
Pin 2 HOT
Pin 3 COLD
Analog output connectors
Sapphire III analog output is connected to speaker via a Speakon connector using professional cables
with twist-locking plugs. Signal polarity for Speakon plugs is shown:
Speakon Pinout
STEREO MODE
Speakon connectors are wired as follows:
Pin 1+ to Pin 1+
Sapphire III
Pin 1- to Pin 1-
1- 1+
COLD
2-
2+
Sapphire III
Sapphire III
Pin 2
Pin 3
Pin 1
From audio sources
1-
2+
Speaker
HOT
1- 1+
2-
2+
Speaker
Power Amplifier
1+
2-
Connect to speaker
BRIDGE MODE
13
1/4˝ TRS Jack Pinout
Ring
Sleeve Tip
Tip HOT
Ring COLD
Sleeve GND