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Battery-Powered Microphone Amplifier
CMBI

Colette
Overview | Application | Specifications | Downloads
Specifications
Sensitivitysee corresponding capsule
Equivalent noise levelsee corresponding capsule
Switch setting “0 dB“:
Maximum output voltage0.7 V
Maximum sound pressure level at 0.5% THDRL > 10 kΩ: > 130 dB-SPL
Maximum sound pressure level at 0.5% THDRL= 1 kΩ: ca. 120 dB-SPL
Output impedanceunbalanced, 500 Ω
Switch setting “-15 dB“:
Maximum output voltageca. 0.14 V
Maximum sound pressure level at 0.5% THDat least 130 dB-SPL
Output impedanceunbalanced, 300 Ω
Switchon (0 dB) / off / on (-15 dB)
Battery powering6 V silver oxide battery
Battery poweringe.g. IEC 4 SR 44, maximum battery life: 80 h
External powering7 – 13 VDC, 1.7 mA
Output socket5-pin miniature
Diameter20 mm
Lengthwithout capsule: 92 mm
Weight72 g
Surface finishmatte gray (g) or nickel (ni)