API 1608 - Rear Panel Connections; 548 B Channel Module Rear Connections

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9.0 Rear Panel
9.1 548B Channel Module Connections
The rear panel connections for the 548B Channel module are as follows:
DIRECT OUTPUT:
• Balanced, Line-level
• Male XLR
INSERT RETURN (FADER INPUT):
• Balanced, Line-level
• 1/4” tip-ring-sleeve switching jack
• Replaces the EQ Out signal when a jack is inserted
and the INS button is engaged
INSERT SEND (EQUALIZER OUT):
• Balanced, Line-level
• 1/4” tip-ring-sleeve switching jack
• The feed to the Insert Return (Fader Input) is
defeated when a jack is inserted
EQUALIZER INPUT:
• Balanced, Line-level
• 1/4” tip-ring-sleeve switching jack
• The Preamp Output signal is replaced with this signal
when a jack is inserted
PREAMP OUTPUT:
• Balanced, Line-level
• 1/4” tip-ring-sleeve jack
• Half-normalled to feed the Equalizer Input
INSTRUMENT INPUT:
• Unbalanced, High-impedance
• Instrument-level
• 1/4” tip-sleeve switching jack
• The Microphone Input signal is replaced with this
signal when a jack is inserted
MIC INPUT:
• Balanced, Low-impedance
• Microphone-level
• Female XLR connector
LINE INPUT:
• Balanced, Low-impedance
• Line-level
• Female XLR connector