Tascam FW-1804, Owner'S Manual, Page: 16 / 20

16
TASCAM FW-1804
Specifications
ADAT/OPTICAL input
Connector Lightpipe
Format ADAT/IEC64958
Audio bit length 24-bit
ADAT/OPTICAL output
Connector Lightpipe
Format ADAT/IEC64958
Audio bit length 24-bit
Misc. I/O
MIDI IN 1-2
Connector 5-pin DIN x 2
Format MIDI
MIDI OUT 1-4
Connector 5-pin DIN x 4
Format MIDI
WORD IN
Connector BNC x 1
Input impedance 75 ohm
Input level TTL level
WORD OUT
Connector BNC x 1
Output impedance 75 ohm
Output level TTL level
FireWire (IEEE1394)
Connector IEEE1394 connector x 2
Format IEEE1394
Transmit rate 400 Mbps
FOOT SW (foot switch)
Connector Normally-open 1/4" TS jack x 1
Input level TTL level
Overall System Specifications
Sampling frequency
Internal clock 44.1 kHz / 48.0 kHz / 88.2 kHz / 96.0 kHz
External clock Word sync input / Digital input / ADAT input
Analog Performance
THD (at maximum input level)
< 0.007% (normal FS) 1 kHz, MIC/LINE IN to STEREO OUT
< 0.009% (Hi FS) 1 kHz, MIC/LINE IN to STEREO OUT
Frequency response (at nominal level)
20 Hz - 20 kHz (normal FS) +0.5 dB/–1.0 dB, MIC/LINE IN to STEREO OUT
20 Hz - 40 kHz (Hi FS)
+0.5 dB/–1.5 dB, MIC/LINE IN to STEREO OUT
S/N ratio
> 97 dB (normal FS) MIC/LINE IN to STEREO OUT, TRIM min
> 91 dB (Hi FS) MIC/LINE IN to STEREO OUT, TRIM min
Crosstalk
> 90 dB (normal FS) 1 kHz, MIC/LINE IN to STEREO OUT
> 84 dB (Hi FS) 1 kHz, MIC/LINE IN to STEREO OUT