Specifications

6/18/2009 9
4. Technical specifications
MM-4220 T/C
Frequency range 25 Hz - 22 kHz (-3 dB)
THD <0,004% @ 1 kHz, +12 dBu output level
Max. gain 72 dB (48+12+12)
Signal-to-noise ratio >94 dB@0 dB gain, A-weight
Crosstalk at full pan <-50 dB
Equiv. input ref. noise <-122 dBu, A-weighted @max gain
Input sockets XLR-3F
Audio input impedance 2 K ohms (mic), 20 K ohms (line)
Audio input level max. +12 dBu
High-pass filter -3 dB @ 180 Hz, -20 dB @ 30 Hz
Output sockets XLR-3M
Audio output impedance 2 x 100 ohms balanced
Audio output level max. +12 dBm (600 ohms)
Phones socket 3.5 mm 3-pole
Phones output 2.0 Vrms into 300 ohms
Phones impedance 32 - 2000 ohms
Digital output AES3-id, 75 ohms, 1 Vpp, S/PDIF compatible, RCA
Sampling frequency 48 kHz
A/D resolution 24 bits
A/D dynamic range 98 dB, A-weighted
D/A resolution 24 bits
D/A dynamic range 98 dB, A-weighted
File memory Compact Flash, type I, FAT32 formatted, max 16 GB
File type BWF, stereo, uncompressed, 48/16-24
Recorder functions RECORD, STOP, PLAY, FFWD, FREV, SKIPFWD, SKIPREV, PAUSE
Metering 2x8 LED´s, 3 colors, PPM mode
Test tone 1000 Hz +/-0,001% @ -12 dBFS (0 dBu) output level
Real-time clock accuracy +-2 ppm
LTC jam input USB socket pin 4, GND = pin 5
Ltc jam input signal level 300 mV
p-p
to 3 V
p-p
Phantom power 48 V+-6 V, max 5 mA @ 90%
Power supply internal NiMH or ext. 18 V DC@1 A
Current drain <220 mA
Charge current 750 mA
Size W x H x D approx. 140 x 60 x 136 mm, excl. sockets and knobs
Weight approx. 950 grams
Battery charger included, 90-240 VAC
Carrying case PortaBrace original, optional
Specifications are subject to change without notice.
Box contains:
Qty
Item
1
MM-4220 Stereo Mixer / Recorder
1
Mains adapter / charger 18V
1
CF card
1
USB cable
1
User´s manual
Option: Time Code jam cable