Input/output ratings
Analog audio input/outupt
MIC IN (Balanced) terminal
Connector: XLR-3-31 equivalent
Nominal input level:
–58 dBu (When
INPUT
MIC
)
–14 dBu (When
INPUT
)
LINE
Maximum input level:
+2 dBu (When
INPUT
LINE
)
Input impedance: 2.2 kΩ
LINE IN (Balanced) terminal
Connector: TRS Standard phone jack
L channel, and R channel with
GUTAR
set to
MIC/LINE
Nominal input level:
–40 dBu (When
set to
MIC
)
+4 dBu (When
set to
LINE
)
Maximum input level:
+20 dBu (When
set to
LINE
)
Input impedance: 15 kΩ
R channel with
MIC/LINE-GUTAR
GUITAR
Nominal input level:
–51 dBV (When
set to
)
MIC
–7 dBV (When
set to
)
LINE
konb is set to
knob is set to
knob is set to
MIC/LINE-
INPUT
konb is
INPUT
knob is
INPUT
knob is
set to
konb is
INPUT
knob is
INPUT
9 – Specifications
Maximum input level:
+9 dBV (When
set to
)
LINE
Input impedance: 1 MΩ
LINE OUT (Unbalanced) terminal
Connector: RCA pin jack
Nominal output level: –10 dBV
Maximum output level: +6 dBV
Output impedance: 200Ω
PHONES terminal:
Connector:Standard stereo phone jack
Maximum output level: 18 mW + 18 mW or
more (THD+N less than 0.1%, 32Ω load)
Digital audio input/output
DIGITAL IN (COAXIAL) jack
Connector: RCA pin jack
Compatible signal format: IEC60958 (S/
PDIF) for consumer use
DIGITAL OUT (COAXIAL) jack
Connector: RCA pin jack
Compatible signal format: IEC60958 (S/
PDIF) for consumer use and IEC60958
(AES/EBU) for professional use
Switch using control panel
TASCAM US-144MKII
knob is
INPUT
31