Rion NL-21 - Power and Output Details

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Specifications
Microphone and preamplifier
1/2-inch prepolarized condenser type
NL-21 NL-31
Model: UC-52 UC-53A
Sensitivity: -33 dB -28 dB
Preamplifier NH-21
Display
Backlit LCD (128 × 64 dots + 121 icons)
Display screens
Numeric and bar graph indication of sound level
Processing results screen
Level-time graph (real-time level recording with 20-sec-
ond horizontal axis)
Menu screens for operation settings
Warning indications
Over-range indication: full-scale +8.5 dB
Under-range indication: full-scale -2.6 dB
Outputs
AC/DC output Key-selectable AC or DC output
AC output (using selected frequency weighting and filter settings)
Output voltage: 1 Vrms (at full-scale)
Output impedance: 600 Ω
Load impedance: 10 kΩ or more
DC output
Output voltage: 2.5 V (at full-scale), 0.25 V/10 dB
Output impedance: 50 Ω
Load impedance: 10 kΩ or more