7 – Appendices
38 TASCAM FW-1884 Owner’s Manual
Misc. I/O Overall System Specifications

ADAT/Optical input (Light-pipe)

ADAT optical format digital multi audio or 2CH serial audio signal
input terminal. In the case of 2CH serial audio signal, DIGITAL IN
(COAXIAL) is selectable.
Connector: Light-pipe optical x 1
Format: ADAT OPTICAL at ADAT AES3-1992 or
IEC60958 (automatically detected) at Optical
Audio bit length : 24bit

ADAT/Optical output (Light-pipe)

ADAT optical format digital multi audio or 2CH serial audio signal
output terminal. In the case of 2CH serial audio signal, DIGITAL
OUT (COAXIAL) is selectable.
Connector: Light-pipe optical x 1
Format: ADAT OPTICAL at ADAT
IEC60958 at Optical
Audio bit length 24bit at ADAT
24bit at Optical

Word sync input

Word clock signal input terminal
Connector: BNC x 1
Input imped-
ance
: 75 ohm
Input level TTL level

Word sync output

Word clock signal output for Word sync
Connector: BNC x 1
Output level TTL level

MIDI input 1-4

MIDI input terminal
Connector: 5-pin DIN connector – conforms to MIDI specifi-
cations x 4
Format : MIDI

FireWire

IEEE 1394 digital interface
Connector: IEEE 1394 connector x 2
Format: IEEE 1394
Transmit rate: 400Mbps

Footswitch

Punch In/Out of DAW application
Connector: Normally-open 1/4-inch TS jack

Sampling frequency

Internal clock : 44.1kHz / 48.0kHz / 88.2kHz / 96.0kHz
External clock: Word sync input / Digital input / ADAT input

AD/DA converter

Analog to Digital
Resolution 24 bit
Dynamic range: 103 dB Fs=44.1kHz, A-weight
AD input level
Maximum +8.1dBu (0dBFs)
Nominal -7.9dBu (-16dBFs)
Digital to Analog
Resolution : 24 bit
Dynamic range 103 dB Fs=44.1kHz, A-weight
Analog output level
Maximum : +7.8dBu (0dBFs)
Nominal : -8.2dBu (-16dBFs)

CODEC: AK4528 specifications

ADC
Resolution: 24 bit
Dynamic range: 103 dB Fs=44.1kHz, A-weight
Group delay: 31 samples
DAC
Resolution: 24 bit
Dynamic range 110 dB Fs=44.1kHz, A-weight
Group delay: 30 samples
DAC: AK4380VT specifications