Sennheiser 1423 Instructions for Use - Page 3

COM 1420-1425 condenser microphones COM microphones are extremely versatile permanently polarized condenser microphones for public address use. They feature a cardioid pick-up pattern. Special features • excellent sound reproduction due to back electret condenser principle • excellent feedback attenuation due to cardioid pick-up pattern • Simple power supply from 4-24V DC-supplies or 12-48 V phantom powered • matt black surface finish • delivery includes a pop shield Models Designation COM 1420 COM 1421 COM 1422 COM 1423 COM 1425 Length 455 mm 255 mm 416 mm 390 mm 361 mm Weight 80 g 70 g 80 g 75 g 65 g Plug/Connector Microphone neck 8-pin plug acc. to DIN 45326 8-pin plug acc. to DIN 45326 8-pin plug acc. to DIN 45326 XLR plug unterminated cable inflexible inflexible flexible flexible flexible Technical data Frequency range Acoustic principle Pick-up pattern Sensitivity (free field, no load) at 1 kHz Impedance Min. terminating impedance S/N ratio according to DIN 45405 / CCIR 468-2 Power supply: COM 1420, 1421,1422 COM 1423 COM 1425 Delivery includes 50-20 000 Hz pressure gradient transducer cardioid 8 mV/PA ± 2.5 dB (= 62 dB) approx. 1 kΩ (COM 1423: 50 Ω) approx. 4.7 kΩ (COM 1423: 1 kΩ) approx. 58 dB +4 to +24V via pin 8 12-48 V phantom powered/XLR unterminated cable, +4 bis +24V 1 microphone 1 MZW 42 pop shield We reserve the right to alter specifications.