AKG Acoustics Microphone C 4500B BC User Manual

C 4500B-BC  
Condenser Broadcast/Voice-Over Microphone  
Description  
AKGs new C 4500 B-BC is designed for all broadcast and  
voice-over applications and is ideal for the new age of digital  
broadcasting. It has a 1-in. (25-mm) diaphragm mounted  
internally so that the axis of maximum sensitivity is along the  
microphones physical axis, ensuring that the microphone  
does not impede the viewing range of the announcer. The  
response of the C 4500 B-BC has been tailored so that at  
normal operating distances the microphone will have  
absolutely neutral low frequency response, and at high  
frequencies the response is smooth and extended. An  
exemplary dynamic range of 137 dB will allow it to cope with  
virtually all announcing and postproduction speech activities.  
The C 4500 B-BC is complete with its own suspended  
shock mount and pop/wind windscreen for further isolation  
from the environment. Extremely high internal electrostatic  
and magnetic field isolation ensures that the microphone can  
be operated in proximity to virtually any kind of electronic  
equipment, new or old.  
Specifications  
Polar pattern:  
cardioid  
Features  
• Frequency response, tailored for  
reduced proximity effect for close  
speaking voice  
• Operates on phantom power  
(9 to 52 volts)  
• Large diaphragm with speech  
entry along the microphone’s  
physical axis  
Frequency range:  
20 to 20,000 Hz  
Sensitivity at 1000 Hz: 25 mV/Pa (-34 dBV)  
Maximum SPL for 0.5% THD: 145/165 dB SPL*  
Equivalent noise level: 8 dB-A  
Pre-attenuation pad:  
Bass-cut filter:  
-20 dB, switchable  
6 dB/octave below 120 Hz  
<200 ohms  
Output impedance:  
Recommended load impedance: >1000 ohms  
Power requirement:  
9 to 52 volts phantom power  
(DIN 45 596/IEC 268-15)  
Current consumption: <2 mA  
Size:  
2.2 in. diameter x 7.2 in. length  
(58 mm x 183 mm)  
• Extremely low self-noise floor  
of 8 dB-A  
Net weight:  
16 oz. (450 g)  
• High immunity to overload  
(145 dB unpadded)  
*Values for 48 V phantom power; reduce by 6 dB for 24 V or 18  
dB for 12 V phantom power  
• High immunity to electrostatic and  
magnetic field interference  
Standard set includes:  
C 4500 B-BC microphone, H100 spider-type shock mount  
W 4000 foam windscreen  
Optional accessories: B 18 E battery power supply  
 

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