AKG C 414 B/ULS - Manual
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C 414 B/ULS
Large Diaphragm Condenser Microphone
Description
The AKG Model C 414 B/ULS is certainly the most
ubiquitous studio condenser microphone in the United States,
and very likely in the rest of the world as well. It is designed
around dual back-to-back large 1 in. (25 mm) gold sputtered
diaphragms for multiple pickup patterns. The microphone's
pickup patterns are easily switchable among omnidirectional,
cardioid, hypercardioid, and figure-eight. Additional flexibility
in the studio operating environment allows a bass cut of
12 dB/octave below 150 or 75 Hz and pre-preamp attenuation
of either 10 or 20 dB. The self noise of the microphone is a
low 14 dB (A weighted). On-axis sensitivity for all patterns is
12.5 mV/Pa, and for unpadded operation maximum program
level is 140 dB for 0.5% total harmonic distortion.
The C 414 B/ULS is one of the most accurate multi-pattern
microphones available to the engineer. The far-field on-axis
response for all four switchable patterns is remarkably flat,
varying no more than +/-2 dB over the range from 20 to 20 kHz.
Features
Specifications
Transducer Principle:
Condenser, externally polarized
Frequency Range:
20–20,000 Hz
Polar Pattern:
Omnidirectional, cardioid, hypercardioid,
and figure-eight
Sensitivity at 1,000 Hz:
12.5 mV/Pa =^ -38 dBV
Equivalent Noise Level:
14 dB-A
Sound Pressure Level for 0.5% THD:
134 dB, wide-band (unpadded)
140 dB, 1 kHz (unpadded)
S/N Ratio (A-weighted):
80 dB
Electr. Impedance:
180 ohms
Load Impedance:
> 1,000 ohms
Power Requirement:
12–48 volts nominal
Phantom powering
Connector:
3-pin XLR type
Finish:
Non-reflective black
Size:
5.6 x 1.8 x 1.4 in. (141 x 45 x 35 mm)
Net/Shipping Weight:
11 oz. (320 g)/2.1 lbs. (950 g)
Included Accessories:
H 100 Elastic Suspension
W 414 Windscreen
Optional Accessories:
SA 18/3 B Stand Adapter
B 18 Battery supply unit
N 62 E Power supply
• One of the world's most celebrated
studio condenser microphones
• Large 25 millimeter gold sputtered
diaphragm format optimized for
studio applications
• Dual diaphragm for multiple
polar patterns
• High acoustic level capability
(140 dB-SPL for 0.5% THD)
• Low self noise (14 dB-A)
H 100
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