audio technica / AT-MCA20b

1ch microphone line amplifier that flexibly supports MIC/LINE levels. Equipped with phantom power DC48V. Stepless variable gain volume allows gain adjustment suitable for microphone sensitivity.

○General specifications
■Power supply: PoE (IEEE802.3af CLASS 0)
■Power consumption: 3.3W
■Operating temperature range: 0 to 40°C
■Operating humidity range: 25 to 85°C (no condensation)
■External dimensions (excluding protrusions): H42.6 x W106.2 x D184mm
■Weight: Approximately 650g

○Audio
■Frequency response: 20Hz to 20kHz, -1dB
■S/N ratio: 85dB or more, A-weighted, unity
■Equivalent input noise: Input (MIC)/Output (LINE): -127dBu or less, Rs=150Ω, DIN
■Residual noise: -87dBu or less, A-weighted
■THD+N: 0.03% or less, 1kHz unity
■Low-cut frequency: 200Hz, -3dB (-12dB/oct)
■Analog input (balanced)
MIC Maximum: -24dBu
MIC unity: -40dBu
LINE maximum: +20dBu
LINE unity: +4dBu
■Analog output (balanced)
MIC maximum: -28dBu
MIC unity: -40dBu
LINE maximum: +16dBu
LINE unity: +4dBu
■Analog output (unbalanced)
MIC maximum: -34dBV
MIC unity: -46dBV
LINE maximum: +12dBV
LINE unity: 0dBV

○Other
■Phantom power: DC +48V
■PAD (attenuation level)
LINE input: -20dB
MIC Output: Balanced: -44dB Unbalanced: -46dB
■I/O connector
INPUT: XLR
OUTPUT: XLR, RCA
■Level indicator
SIGNAL/PEAK: 2 points (red/green)
Peak lit (red): 3dB before clipping level