API Audio 1608 Recording Console User Manual
Page 19

18
2.7
548B 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