Specifications; Input/Output Ratings; Analog Audio Input/Output; Digital Audio Input/Output - Tascam US-1800 Owner's Manual

9 – Specifications

Input/output ratings

Analog audio input/output

MIC inputs (Balanced) terminals (MIC IN 1-8)
Connector: XLR-3-31 (1: GND, 2: HOT, 3: COLD)
Input impedance: 2.2 kΩ
Nominal input level: –2 dBu (0.615 Vrms)
Minimum input level: –58 dBu (0.00098 Vrms)
Maximum input level: +14 dBu (3.882 Vrms)
Guitar inputs (Unbalanced) terminals (GUITAR 9-10)
Connector: 6.3 mm (1/4") TS Standard phone jack
(Tip: HOT, Sleeve: GND)
Input impedance: 700 kΩ
Nominal input level: –6 dBV (0.501 Vrms)
Minimum input level: –52 dBV (0.0025 Vrms)
Maximum input level: +10 dBV (3.162 Vrms)
Line input (Balanced) terminals (LINE IN 9-10)
Connector: 6.3 mm (1/4") TRS Standard phone jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
Input impedance: 10 kΩ
Nominal input level: +4 dBu (1.228 Vrms)
Minimum input level: –42 dBu (0.0062 Vrms)
Maximum input level: +20 dBu (7.746 Vrms)
Line input (Balanced) terminals (LINE IN 11-14)
Connector: 6.3 mm (1/4") TRS Standard phone jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
Input impedance: 10 kΩ
Nominal input level: –10 dBV (0.3162 Vrms)/
+4 dBu (1.228 Vrms)
Maximum input level: +6 dBV (1.995 Vrms)/
+20 dBu (7.746 Vrms)
Line output (Balanced) terminals (LINE OUT 1-4)
Connector: 6.3 mm (1/4") TRS Standard phone jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
Output impedance: 100Ω
Nominal output level: +4 dBu (1.228 Vrms)
Maximum output level: +24 dBu (12.277 Vrms)
Monitor output (Balanced) terminals (MONITOR L/R)
Connector: 6.3 mm (1/4") TRS Standard phone jack
(Tip: HOT, Ring: COLD, Sleeve: GND)
Output impedance: 100Ω
Nominal output level: +4 dBu (1.228 Vrms)
Maximum output level: +24 dBu (12.277 Vrms)
Headphone output jack (PHONES)
Connector: 6.3 mm (1/4") Standard Stereo phone jack
Maximum output: 50 mW + 50 mW
(1 kHz, 1%, 32Ω load)
20
TASCAM US-1800

Digital audio input/output

Coaxial (DIGITAL IN) terminal
Connector: RCA pin jack
Compatible signal format: IEC60958-3 (S/PDIF)
Input impedance: 75Ω
Level: 0.5 Vp-p/75Ω
Coaxial (DIGITAL OUT) terminal
Connector: RCA pin jack
Compatible signal format: Selectable in the Control
Panel between IEC60958 Consumer (S/PDIF) and
IEC958 Professional (AES/EBU)
Output impedance: 75Ω
Level: 0.5 Vp-p/75Ω

Control input/output

MIDI input (MIDI IN) jack
Connector: DIN 5 pin
Format: Standard MIDI format
MIDI output (MIDI OUT) jack
Connector: DIN 5 pin
Format: Standard MIDI format
USB terminal
Connector: USB B type 4 pin
Format: USB 2.0 High speed (480 MHz)

Audio performance

Frequency response
20 Hz - 20 kHz, +1/–1 dB (44.1/48 kHz)
20 Hz - 40 kHz, +1/–3 dB (88.2/96 kHz)
( - , knob set to minimum, JEITA)
MIC IN LINE OUT GAIN
Signal-to-noise ratio
96 dB or more ( -
MIC IN LINE OUT
minimum, 44.1 kHz, JEITA)
Total harmonic distortion
Less than 0.01% ( -
MIC IN
minimum, JEITA)
, knob set to
GAIN
, knob set to
LINE OUT GAIN