AKG Blue Line Series
Condenser Microphones
CK 97-CVR
CK 97-C
C 97-0
Description
Features
The AKG Blue Line Series consists of a family of directional
prepolarized condenser capsules and microphone configurations
that are all compatible with a single powering/output assembly.
Because of the general popularity of the cardioid pattern, the
CK 91 cardioid capsule and SE 300 B powering/output assembly
are sold as a single unit, the AKG Model C 391 B microphone.
The remaining Blue Line capsules offer the following patterns:
CK 92 (omnidirectional), CK 93 (hypercardioid), CK 94
• Multiple directional capsules and
configurations available on a
standard powering/output module
• Positive-action Modulock™
(bidirectional), and CK 98 (shotgun capsule, high directivity).
Three additional configurations are available: CK 97-O
(omnidirectional lavalier), CK 97-C (cardioid lavalier), CK 97-CVR
(cardioid gooseneck with bass roll-off). The Blue Line Series is
suitable for studio, live sound, and a variety of speech
reinforcement applications, where the facility for switching
capsules is a major advantage. The positive Modulock™
bayonet design allows these changes to be made quickly. The
Blue Line microphones exhibit accurate axial response and
uniform pattern control. Self noise and maximum operating
levels are exemplary, creating a very wide usable dynamic range
for the most demanding operations. The SE 300 B powering/
output assembly provides for 10 dB of attenuation for operation
at high sound pressure levels, as well as a 12 dB/octave low cut
below 75 Hz for close usage. A complete line of optional
accessories is available including an extension cable for
operating the microphone capsule up to 10 ft. (3 meters) from
the powering/output module.
bayonet capsule mounting system
• Capsule designs employ gold
sputtered diaphragms
• High sensitivity
• High acoustic level capability
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Specifications
Models:
C 391 B
CK 92
CK 93
All models prepolarized condenser capsules.
0–20,000 Hz 20–20,000 Hz 20–20,000 Hz 20–20,000 Hz 20–18,000 Hz 150–18,000 Hz 150–18,000 Hz
CK 94
CK 97-0
CK 97-C
CK 97-CVR
CK 98
Transducer Principle:
Frequency Range
Polar Pattern:
2
20–20,000 Hz
Cardioid
Omnidirectional Hypercardioid
Bidirectional Omnidirectional
Cardiod
Cardiod
Directional
Sensitivity at 1,000 Hz:
10 mV/Pa
(-40 dBV)
10 mV/Pa
(-40 dBV)
10 mV/Pa
(-40 dBV)
10 mV/Pa
(-40 dBV)
10 mV/Pa
(-40 dBV)
12 mV/Pa
(-38 dBV)
12 mV/Pa
(-38 dBV)
25 mV/Pa
(-32 dBV)
Equivalent Noise Level:
SPL for 1% THD:
S/N Ratio (A-weighted):
Electr. Impedance:
Load Impedance:
Power Requirement:
Connector:
17 dB-A
132 dB
77 dB
17 dB-A
132 dB
77 dB
17 dB-A
132 dB
77 dB
22 dB-A
132 dB
72 dB
24 dB-A
120 dB
70 dB
26 dB-A
120 dB
68 dB
26 dB-A
120 dB
68 dB
17 dB-A
124 dB
77 dB
< 200 ohms
> 1,000 ohms
9 to 52 Vdc phantom powering for SE300B
All models XLR male output when connected to SE300B
Cable Length:
–
–
–
–
10 ft. (3 m)
All models dark gray matte finish.
0.7 x 2.3 in. 0.3 x 0.7 in.
10 ft. (3 m)
–
–
Finish:
Size:
0.7 x 5.8 in.
0.7 x 2 in.
0.7 x 2 in.
0.4 x 1.0 in.
0.4 x 20 in.
0.4 x 10.2 in.
(19 x 47 mm) (19 x 52 mm) (19 x 52 mm) (19 x 58 mm) (7.5 x 17 mm) (11 x 25 mm) (11 x 500 mm) (19 x 260 mm)
4.2 oz. (120 g) 1.2 oz. (35 g) 1.2 oz. (35 g) 1.2 oz. (35 g) 0.1 oz. (3 g) 0.1 oz. (6 g) 3.5 oz. (100 g) 2.8 oz. (80 g)
16.6 oz. (470 g ) 6.0 oz. (170 g) 6.0 oz. (170 g) 6.0 oz. (170 g) 6.7 oz. (190 g) 6.7 oz. (190 g) 13.1 oz. (317 g) 13.8 oz. (390 g)
*With the 10-dB pad engaged, all SPL values for 1.0% THD can be raised 10 dB. Specifications measured with capsules attached to SE300B.
Net/Shipping Weight:
Accessories
Model:
Included:
Optional:
C 391 B
SA 40 Stand adapter
W 90 Foam windscreen
A 91 Swivel joint
MK 90/3 + H 98, Extension cable and stand adapter/ hanger
VR 91 15 in. (350 mm) extension tube
VR 92 47.2 in. (1.2 meter) extension tube with short gooseneck
W 95 Metal mesh and foam windscreen filter
Same as for C 391 B
CK 91, 92, 93, and 94
CK 97-0 and CK97-C
W 90 Foam windscreen
H 40/1 Universal clamp
for two capsules
For SE 300 B: B 18 E Battery supply
N 62 E AC Power supply
H 41 Tie pin
W 97/1 Foam windscreen
(For CK 97-0)
C 97-CVR + SE 300 B:
W 97 Foam windscreen
(For CK 97-C)
B 18 E Battery power supply
N 62 E AC Power supply
CK 97-CVR
W 97 Foam windscreen
H 10 Stereo bar, H 38 Shock mount
SA 38/H 38 Shock mount/stand adapter
ST 45 Table stand, ST 305 Heavy duty table stand
A 91 Swivel joint
CK 98
W 98 Windscreen
VR 91 15 in. (350 mm) angled extension tube
See above
SE 300 B
SA 40 Stand adapter
Architects and Engineers Specifications
The microphone shall be of the condenser type with a capsule
and powering module assembly no larger than 0.75 in. (19 mm) in
diameter. For applications requiring field switchable patterns, the
frequency cut of 12 dB-per-octave shall be provided.
The polar pattern shall be (*), and on-axis frequency response
shall be (*). Microphone sensitivity shall be at least (*) millivolts
capsule shall be demountable and attached by means of a half-turn per pascal, and the self noise floor shall be no higher than (*)
bayonet action. (Threaded capsules shall not be allowed under this
specification, because of inconvenience and the chance of cross-
threading.) The microphone shall accept phantom powering over
the nominal ranges of 12 to 48 volts and the nominal output
impedance shall be equal to or less than 200 ohms at 1 kHz. The
microphone shall provide a switchable 10 dB pre-electronics pad
for operation at high sound pressure levels, and a switchable low-
dB-A. The 1.0 % THD operating level shall be (*) dB SPL.
(Additional for C 397-CVR)
The microphone capsule shall be separated from the powering/
output module by a thin gooseneck extension at least 20 in.
(500 mm) in length. The microphone shall be the AKG Acoustics
Model SE 300 B plus the (*) capsule.
*Insert data from specifications chart.
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Graphical Data
CK 97-0
On-axis Frequency Response
Polar Response
(measured at 1 meter)
CK 97-C
CK 97-CVR
CK98
On-axis Frequency Response
(measured at 1 meter)
Polar Response
Polar Response
Polar Response
On-axis Frequency Response
(measured at 1 meter)
On-axis Frequency Response
(measured at 1 meter)
or consequential damages. However, the limitation of any right or remedy shall not be effective
where such is prohibited or restricted by law. Simply take or ship your AKG product prepaid to our
service department. Be sure to include your sales slip as proof of purchase date. (We will not repair
transit damage under the no-charge terms of this warranty.) Note: No other warranty, written or oral
is authorized by AKG Acoustics, Inc. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state. Some states do not allow the exclusion or
limitation of incidental or consequential damages or limitation on how long an implied warranty
lasts, so the above exclusions and limitation may not apply to you.
Limited Warranty
Valid only in the United States. AKG Acoustics warrants AKG products against defects in material
or workmanship for a period of two years from the date of original purchase for use, and agrees to
repair or, at our option, replace any defective unit without charge for either parts or labor. Important:
This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable
care, the affixing of any attachment not provided with the product, loss of parts or connecting the
product to any but the specified receptacles. This warranty is void unless service or repairs are
performed by an authorized service center. No responsibility is assumed for any special, incidental
Microphones · Headphones · Wireless Microphones · Wireless Headphones · Headsets · Electroacoustical Components
AKG Acoustics GmbH
Lemböckgasse 21–25, P.O.B. 158, A-1230
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Tel: (43 1) 86 654-0*, Fax: (43 1) 86 654-516
AKG ACOUSTICS, U.S.
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Nashville, TN 37217, U.S.A.
Tel: (615) 620-3800, Fax: (615) 620-3875
Studer Japan Ltd.
AKG Acoustics; A Division of Harman Pro Germany
Bodenseestraße 228, D-81243 München/GERMANY
Tel: (089) 87 16-0, Fax: (089) 87 16-200
2-43-7, Uehara, Shibuya-ku, Tokyo 151-0064/JAPAN
Tel: (813) 3465-2211, Fax: (813) 3465-2214
Erikson Pro Audio
Arbiter Pro Audio
Wilberforce Road, London NW9 6AX/ENGLAND
Tel: (0181) 202 1199, Fax: (0181) 202 7076
620 McCaffrey, St-Laurent, Quebec, H4T 1N1, CANADA
Tel: (514) 738-3000, Fax: (514) 737-5069
Specifications subject to change without notice.
DS-Blue Line Series
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