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Power Source Supplied from an external 24 V DC/400 mA power supply, Removable terminal block (2 pins) or from an optional AD-246 AC adapter
Power Consumption 10 W
Wave Format 44.1 kHz/32 kHz sampling rate, 16 bits PCM, WAV file (monaural)
Sound Source Rewriting Method LAN data transfer/Analog recording/
Direct write to memory card using the setting software
Audio Input MIC: -55 dB (*1) (microphone input volume control in maximum position), 600 Ω, unbalanced, φ6.3 phone jack (2P)
LINE (rear): -20 dB (*1) (line input volume control in maximum position), 10 kΩ, unbalanced, Removable terminal block (12 pins)
LINE (front): -29 dB (*1) (line input volume control in maximum position), 10 kΩ, unbalanced, RCA pin jack
Audio Output LINE 1, 2: 0 dB (*1), 600 Ω, unbalanced, Removable terminal block (12 pins)
Headphone: 0 dB (*1), 100 Ω, monaural, φ3.5 mini jack (3P)
Frequency Response 20 Hz – 20 kHz ±3 dB (1 kHz)
50 Hz – 14 kHz ±3 dB (IT-450 mounted, 1 kHz)
Distortion 0.3 % or less (1 kHz, rated output)
Storage Media Compatible with CompactFlash(TM) specification Memory card
Number of Mountable Memory cards 2 (1 Memory card containing preset sound sources is supplied.)
Backup operation available when 2 cards are mounted.
Number of Recordable Phrases 32768
Maximum Recording Time About 3 hours (at 44.1 kHz sampling rate) or about 4 hours (at 32 kHz sampling rate)
Audio Output Method Single channel monaural
Number of Playback Program Direct mode: 16 programs
Binary mode: 256 programs
1 emergency message takes precedence over the above programs and is played back.
R.E.M. (Recording Endless Message) playback (*2) can be performed.
Control Input Activations 1 – 16, playback, stop, recording, erasure/clear, emergency playback, emergency recording, emergency pause
No-voltage make contact input, pulse make length: 50 ms or more, open voltage: 30 V DC, short-circuit current: 10 mA, Removable terminal block (12 pins, 16 pins)
Control Output Shorting outputs 1 – 8 (busy), Error: contact capacity: 30 V DC, 0.5 A, Removable terminal block (8 pins)