AKG Acoustics Microphone C 414 User Manual

Versatile.  
Outstanding.  
Absolutely astounding.  
AKG SOUNDS BETTER  
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New  
For over 60 years, leading musicians  
and engineers have used legendary AKG  
microphones to capture their sound, so  
that their audience hears every nuance.  
The C 414 family has been one of the  
world’s most widely-used and respected  
studio and stage microphones in audio  
history. With new useful features and  
even greater ease of use, we are able  
to answer the demands from our ever-  
growing worldwide customer base.  
Perfect Sound for All: Nine pickup patterns  
Nine pickup patterns provide the perfect sound  
for every application - without compromising  
anything. Signal-bleeding from other sources  
can be minimised quickly and efficiently. More-  
over, for on-stage applications gain-before-feed-  
back can be maximised.  
Everything at a glance - with the new  
two-colour-LEDs on the front of the  
microphone, important information can  
be read out at a glance. The current  
setting for both preattenuation and  
bass filter can be seen at the back.  
Play it safe: Lock Mode  
Live-sound engineers as well as engineers  
for theatre, opera, or musical productions  
often use the same microphones for the same  
purposes every night, and may even install  
some microphones permanently. In Lock Mode,  
all microphone controls are disabled, so that  
the settings selected for a specific application  
(polar pattern, preattenuation pad, bass cut  
filter) cannot be changed unintentionally.  
Peak Hold LED  
Not just for a moment:  
The polar pattern indicator LEDs also provide  
an overload indication. With conventional peak  
indicators, overload peaks lasting only for a  
fraction of a second may easily escape your  
attention. The new peak hold function makes sure  
that you will notice even the shortest overload  
peak: If the microphone output level exceeds the  
overload limit, the currently active polar pattern  
LED will change to red for about three seconds.  
AKG SOUNDS BETTER  
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Pushing the  
Envelope  
The legacy of AKG  
For more than six decades, AKG Acoustics has  
been a leading manufacturer of microphones,  
headphones and wireless systems for studio,  
stage and broadcast that conform to the highest  
standards of quality and reliability.  
The accumulated experience of working with  
professionals and tremendous engineering know-  
how are the foundation of the unique sound and  
popularity of the legendary AKG brand.  
Did you know that according to Billboard  
Magazine every studio in the US owns at  
least one AKG product?  
There is no greater evidence of AKG’s technical  
mastery and spirit of innovation than its more than  
1,400 patents in the field of electro-acoustics,  
with more than all its competitors combined.  
... that AKG is known to be one of the  
most innovative microphone manufacturers  
with more than 1,400 patents?  
... that AKG headphones have been used  
for research in space on the MIR space  
station?  
AKG… a name that has amassed an enviable  
world-wide reputation for performance, depend-  
ability and service. A microphone for every need…  
television studios, film studios, theatres, stadiums,  
concert halls, opera houses, communication links,  
schools, home video recorders… and the personal  
choice of hundreds of performers. Among profes-  
sionals - the name AKG is synonymous with the  
highest standards in quality, performance, and  
dependability. Based on intensive scientific re-  
search, an extensive knowledge of acoustics and  
measurement techniques, design competence,  
precision tooling and meticulous manufacturing  
standards, AKG has achieved many firsts in  
microphone development.  
... that the Royal Mail released a stamp  
showing the standard BBC microphones,  
which were exclusively AKG products?  
From a two-man operation, AKG has evolved into  
a leading international manufacturer of audio equipment  
(with over 1,400 patents)  
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C 414 – Always Top of the Range  
How a legendary product evolved  
1953 – C 12  
1980 – C 414 EB-P48  
1993 – C 414 B-TL II  
The brand-new C 12 Model AKG has set a new  
benchmark. Besides excellent sound quality it  
was the first Large Diaphragm Microphone with  
a remote control unit for changing the pickup  
pattern. One of the first customers was the BBC.  
Meanwhile the AKG C 12 has become one of the  
most sought-after microphones of all time.  
The launch of the C 414 EB-P48: the first model  
with black housing. This model featured certain  
technical improvements that lowered self-noise  
and improved sensitivity and headroom made  
possible by standardising on 48 V phantom power,  
which was becoming standard, especially in  
the U.S.  
The C 414 B-TL II, the first sonic alternative to  
the C 414 B-ULS, was introduced. This microphone  
was designed to meet customer demands for a  
microphone with more “presence” to ist sound. Its  
capsule was developed with the sonic signature  
of the original capsules used from the 1950s.  
2004 – C 414 B-XLS / C 414 B-XL II  
With the introduction of the Next Generation  
C 414 B-XL models, AKG sets new benchmarks  
for useful features, improved technical specifica-  
tions, ease of use and available accessories. All  
of these improvements are answers to requests  
from ever-demanding recording studios, broad-  
cast stations and concert engineers, but with the  
basic sonic character of the legendary C 414  
unaltered.  
1962 – C 12 A  
1986 – C 414 B-ULS  
The introduction of the C 12 A, the forerunner  
of the now-classic C 414 design. The C 12 A  
had a Nuvistor tube in its preamp section and  
its miniaturised housing became a trademark of  
AKG’s large-diaphragm microphones. This model  
was marketed until 1976.  
Introduction of the C 414 B-ULS, a model that  
combined several milestones in the development  
of the C 414:  
1. ULS technology in its electronic circuitry  
that achieved maximum signal linearity.  
2. The C 414 B-TL, the first transformerless  
version of the C 414.  
3. High SPL capability and low noise made  
the C 414 B-ULS the most popular, longest-lived  
C 414 model. It was in production for 18 years.  
1971 – C 414 comb  
The launch of the first C 414 model, the C 414  
comb. This model had a special module with  
a permanently-attached cable, but was a solid-  
state design that allowed upgrades as technology  
improved and also permitted phantom powering  
instead of requiring an external supply.  
2009 – C 414 XLS / C 414 XL II  
The new C 414 XLS and the C 414 XLII are AKG's  
answer to customer demand. Nine pickup patterns  
that enable it to choose the perfect setting for  
every application. In addition, gain-before-feed-  
back can be maximised and signal-bleeding from  
other sources can be minimised. For live-sound  
applications and fixed installations the new Lock  
Mode disables all controls on the microphone, so  
that the settings you selected for a specific appli-  
cation cannot be changed unintentionally. The  
peak hold LED displays even the shortest over-  
load peaks.  
1976 – C 414 EB  
In response to the emergence of 3-pin XLR-type  
connectors as the world standard, AKG introduces  
the C 414 EB with this connector integrated into  
the microphone. The integral connector eliminates  
the need for the cable module, so that the micro-  
phone can be easily used with different cables to  
meet application requirements.  
AKG became the world’s first manufacturer of freely-vibrating,  
edge-terminated one-inch diaphragms more than 50 years ago  
AKG SOUNDS BETTER  
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The Anatomy  
for great  
Performance  
One-inch  
Three switchable  
edge-terminated capsule  
gold-sputtered diaphragms ensure  
maximum reliability on the road  
ultrahigh precision parts with  
tolerances inthe region of microns  
assembled with great care in our  
factory in Vienna  
pre-attenuation levels  
controlled by the polarisation  
voltage enable for close-up  
recording or for high output  
sources up to 158 dB SPL  
Integrated capsule suspension  
eliminates structurally-transmitted  
vibrations that interfere and cover  
the sound  
Three switchable bass filters  
two steep 40/80 Hz filters  
@ 12 dB/octave reduce wind  
noise or vibrations from stage  
floors One gentle 160 Hz filter  
@ 6 dB/octave for minimising  
proximity effect  
Nine polar patterns  
the one-inch twin-diaphragm capsule  
enables to choose the perfect setting  
for every application  
Lock Mode  
Peak Hold LED  
for live-sound applications and  
permanent installations all controls  
can be easily disabled settings  
cannot be changed unintentionally  
overload indication with peak  
hold function indicates even  
shortest overload peaks  
Transformerless Output  
ensures 152 dB dynamic range low impedance  
over the entire audio spectrum gold-plated  
3-pin XLR connector contacts for loss-free signal  
connection extreme low self noise (6 dB only)  
Leading-edge technology and state-of-the-art components  
shortest possible signal path for maximum performance high impedance  
converter stage for extra protection against moisture DC converter for  
stable, noise-free operating  
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C 414 –  
One Legendary Name –  
Two Legendary Sounds  
C 414 XLS  
C 414 XL II  
maintains the sonic character of the legendary C 414 B-ULS - the longest-  
lived C 414 model  
the successor of the famous C 414 B-TLII  
delivers the unique sonic signature of the highly sought after AKG C 12  
enables lead vocals and solo instruments to be placed, even in a  
dense mix  
unrivalled up-front sound also in distant miking applications like classical  
music recording or drum ambience miking  
engineered for the highest linearity and neutral sound  
well-known as the most universal and versatile large diaphragm micro  
phone ever  
proven reference quality widely used for accurate, beautifully detailed  
pickup of any acoustic instrument  
delivers the well-known C 414 Sound - for any application  
AKG SOUNDS BETTER  
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Superior  
Technology  
Three switchable bass-filters  
and pre-attenuation levels  
Exactly what you expect from AKG  
The pre-attenuation levels are controlled by  
changes in the polarisation voltage of the capsule  
and permit increases of 6, 12 or 18 dB in the maxi-  
mum sound pressure level for close-up recording  
or for use with high output sources. The switch-  
able bass-cut filters reduce sonic colouration and  
the risk of low frequency distortion. The slope of  
the 40 and 80 Hz filters is more than 12 dB-per-  
octave and these are especially useful in combat-  
ing wind noise or vibrations from stage floors.  
The 160 Hz filter has a gentler 6 dB-per-octave  
slope useful in minimising proximity effect.  
State-of-the-art technology and absolute reliability  
The new C 414 Series combine proven reference quality, leading-  
edge technology and state-of-the-art components for an  
accurate, beautifully detailed pickup of any voice or  
any acoustic instrument. The solid metal housing  
and transformerless output stage combine  
to make the C 414 microphones  
immune to electrical interference  
from digital equipment, video  
monitors or from RF from  
wireless microphones or  
other communications  
systems.  
Nine Pickup Patterns  
The twin-diaphragm system gives you a choice  
of nine different polar patterns (omnidirectional,  
wide cardioid, cardioid, hypercardioid, and figure  
eight, …). The diaphragm is made from a spe-  
cial gold-sputtered plastic foil and the gold layer  
is deposited on the diaphragm only on the outer  
sides to prevent short circuiting to the back plate  
if strong blasts of air are applied.  
Elastic capsule suspension  
Structurally-transmitted vibrations that interfere  
and colour the sound are almost completely  
eliminated thanks to a new elastic capsule  
suspension system developed with experts  
for superior damping and excellent long-term  
stability.  
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A comprehensive range of accessories  
for every application  
Carrying Case  
Predictable performance  
even in humid conditions  
Windscreen  
Microphone  
To prevent problems occurring and to minimise the  
negative effects of humidity, all switching circuits  
are located in a sealed low-impedance section.  
Spider Suspension  
To test the stability of our microphones' perfor-  
mance, they are tested in simulated climatic  
conditions between -25° C (-13° F) and +65° C  
(+149° F) as well as relative humidity as high  
as 99 % (immediately below the point of conden-  
sation) above +20° C (+68° F). The new C 414 B  
models can handle temperature extremes any-  
where and still deliver perfect performance.  
Microphone  
Measurement  
Curve  
Pop Filter  
Absolutely perfectly matched  
stereo sets  
Realistic stereo recordings require microphones  
with outstanding performance and excellent quality.  
They also requires performance consistency and  
accurate localisation from the pair of microphones.  
Therefore, every factory-matched pair of C 214s  
has been created from thousands of individual  
microphones selected by AKG's sophisticated  
computer-aided matching method. The result is  
the highest possible correlation over the whole  
frequency range and virtually identical sensitivity  
for stunning, three-dimensional recordings.  
max. 1 dB  
AKG SOUNDS BETTER  
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Application Guide  
We recommend the C 414 XLS and C 414 XL II  
for the following applications in the recording studio:  
Aufnahmequelle  
C 414 XLS C 414 XLII  
Lead/Solo Vocals  
Backing Vocals/Choir  
Speech  
••  
••  
••  
••  
Acoustic Guitar  
Electric Guitar  
Electric bass guitar  
Double bass  
Violin  
••  
Professional Studio Recording  
Professional Stage Miking  
••  
••  
••  
••  
Cello  
Zither  
Grand Piano (classical)  
Piano (Rock&Jazz)  
Organ  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
••  
Trumpet  
Lead Vocals  
Trombone  
French horn  
Tuba  
Saxophone  
Flute  
Lead Instruments  
Choir Miking  
Clarinet  
Harmonica  
Bass Drum  
Tom-toms  
••  
Cymbals  
Bongos, Congas  
preferred  
recommended  
••  
Drum Overhead Miking  
Classical Music Recording  
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Specifications  
C 414 XLS / C 414 XL II  
Type:  
Polar Pattern:  
Sensitivity:  
1-inch large-diaphragm pressure gradient microphone  
Omnidirectional, wide cardioid, cardioid, hypercardioid, figure eight  
+
20 mV/Pa /0.5 dB (-34 dBV)  
Frequency range:  
20 to 20,000 Hz (see frequency response traces)  
≤ 200 ohms  
Electrical impedance:  
Recommended load impedance:  
Bass cut filter slope:  
Preattenuation pads:  
Equivalent noise level (CCIR 468-2):  
Equivalent noise level IEC 60268-4 (A-weighted):  
Signal-to-noise ratio re 1 Pa (A-weighted):  
Maximum SPL for 0.5 % THD:  
Dynamic range (A-weighted):  
Environment:  
≥ 2.200 ohms  
12 dB/Octave at 40 and 80 Hz, 6 dB/Octave at 160 Hz, switchable  
-6 dB, -12 dB, -18 dB, switchable  
20 dB (0 dB preattenuation)  
6 dB-A (0 dB preattenuation)  
88 dB  
140/146/152/158 dB SPL (0/6/12/18 dB Pad)  
134/140/148/156 dB (0/-6/-12/-18 dB)  
Temperature range: -10° C to +60° C  
95% (+20° C), 85% (+60° C)  
48 V Phantom power (IEC 61938)  
ca. 4.5 mA  
Relative humidity:  
Powering:  
Current Drain:  
Connector:  
3-pin XLR to IEC  
Dimensions:  
Net weight:  
50 x 38 x 160 mm (2.0 x 1.5 x 6.3 in.)  
300 g (10.6 oz.)  
This product conforms to standards EN 61 000-6:2001 and EN 61 000-6-3:2001.  
Patents C 414 XLS: AT 395.225, DE 4.103.784, JP 2.815.488, Patents C 414 XL II: AT 395.225, DE 4.103.784, JP 2.815.488, AT 400.910  
C 414 XLS  
C 414 XL II  
Omnidirectional  
Wide Cardioid  
Cardioid  
Hypercardioid  
Figure-eight  
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AKG Acoustics GmbH  
Lemböckgasse 21–25, 1230 Vienna /AUSTRIA, phone: + 43 1 86654 0  
AKG Acoustics, U.S.  
8400 Balboa Boulevard, Northridge, CA 91329, U.S.A., phone: + 1 818 920 3212  
Specifications subject to change without notice.  
AKG SOUNDS BETTER  
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