Filter
Top Products
Reference
Information
This section contains reference information for the MVC 121 Plus, including:
• Specifications
• Part Numbers and Accessories
• Mounting
• Firmware Loader
• MVC 121 Plus Hardware Reset Modes
Specifications
Audio
Gain ............................................... Unbalanced output: -6 dB; balanced output: 0 dB
Frequency response ........................ 20 Hz to 20 kHz, ±0.3 dB
THD + Noise ................................... <0.02% @ 1 kHz, at maximum output level
S/N ................................................. >100 dB, 20 Hz to 20 kHz, at maximum output, unweighted
Crosstalk ........................................ <-90 dB @ 1 kHz, fully loaded
CMRR ............................................ >60 dB @ 1 kHz
Audio input
Number/signal type
Microphone inputs
................... 2 mono, mic/line, balanced/unbalanced
Line input ................................ 1 stereo, line, balanced/unbalanced
Connectors
Microphone inputs ................... (1) 3.5 mm captive screw connector, 6 pole
Line input ................................ (1) 3.5 mm captive screw connector, 5 pole
Impedance ..................................... >10k ohms, balanced/unbalanced, DC coupled
Nominal level ................................. +4 dBu when level is set to 0 dB gain; adjustable from
-60 dBu to +4 dBu (line input)
Maximum level ............................... +21 dBu, balanced, when input gain is set to 0 dB
Volume range
Line input ................................ -18 dB to +24 dB, adjustable per input
Mic input ................................. -18 dB to +60 dB, adjustable per input
Mic noise level ................................ <-120 dBV (1 µVrms) at 40 dB gain
Mic phantom power ....................... +48 VDC, which can be switched on or off
NOTE: 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
MVC 121 Plus • Reference Information 49