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Triple element, professional low-profile boundary layer microphone. The CBL301 is easy to install with intuitive user controls. Leveraging AKG’s vast portfolio of innovation, the new CBL Series by AKG is a family of low-profile boundary layer microphones, available in multiple form factors and mic coverage patterns to accommodate critical applications including conference rooms and meeting spaces. Featuring intuitive user controls for talk/mute, elegant design aesthetics with LEDs, and screw terminals for mics and I/O, the CBL Series is easy to install, easy to use, easy on the eyes and makes meetings sound great.
General Specifications
Description AKG CBL Series Professional Boundary Layer Microphones, Triple-Element
Model CBL301-B
Polar Pattern Cardioid
Minimum Current 400 µA
Maximum Current 600 µA
Typical Current 500 µA
Maximum SPL 120 dB
LED RGB ring LED to indicate mic status
Dimensions
Height 28.4mm (1.1”)
Width 128.5mm (5.1”)
Design
Finish Black
Powering Input
Input Max Voltage 24V (+10%)
Input Min Voltage 3.3V (-10%)
Input Resistance 100 kΩ
Audio Output
Output Voltage 3.3V (±10%)
Output Max Current 500 µA (±10%)
Powering Interface
Min Supply Voltage 24V -10% (phantom power)
Max Supply Voltage 48V -10% (phantom power)
Output Impedance Maximum 200 Ω
Application
Conferencing Yes
Device
Boundary Layer Microphone Yes |
Offering outstanding Audio-Technica sound for surface-mount applications, the U851A features a PivotPoint® rotating output connector, UniSteep® filter and UniGuard® RFI-shielding technology. This battery- or phantom-powered condenser microphone accepts interchangeable condenser elements - available for boundary microphones in cardioid, hypercardioid and omnidirectional polar patterns. Its heavy die-cast case and silicon foam bottom pads minimize coupling of surface vibration to the microphone. With superior off-axis rejection and maximum gain-before-feedback, this professional microphone sets audio-quality standards in challenging acoustic environments.
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
- PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
- Superior off-axis rejection for maximum gain before feedback
- UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
- UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
- Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
- Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
- Low-profile design with low-reflectance black finish for minimum visibility
- Operates on battery or phantom power
- Element: Fixed-charge back plate, permanently polarized condenser
- Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
- Frequency Response: 30-20,000 Hz
- Low Frequency Roll Off: 80 Hz, 18 dB/octave
- Open Circuit Sensitivity: Phantom: -40 dB (10.0 mV) re 1V at 1 Pa Battery: -41 dB (8.9 mV) re 1V at 1 Pa
- Impedance: Phantom: 200 ohms Battery: 270 ohms
- Maximum Input Sound Level: Phantom: 133 dB SPL, 1 kHz at 1% T.H.D. Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
- Dynamic Range: Phantom: 111 dB,1 kHz at Max SPL Battery: 101 dB, 1 kHz at Max SPL
- Signal to Noise Ratio: 72 dB, 1 kHz at 1 Pa
- Phantom Power Requiremens: 11-52V DC, 2 mA typical
- Battery Type: 1.5V AA/UM3
- Battery Current Life: 0.4 mA / 1200 hours typical (alkaline)
- Switch: Off, on-flat, on-roll-off
- Cable: 25.0' (7.6 m) long (permanently attached to microphone), 0.13" (3.2 mm) diameter, 2-conductor, shielded cable with TA3F-type connector
- Accessories: AT8531 power module; battery; soft protective pouch
| The PRO42\'s low-profile design assures inconspicuous appearance for surface-mount use in boardroom, school, government, house of worship and other installed applications. Designed for sound reinforcement, broadcasting and recording applications, the PRO42 brings crisp, intelligible audio reproduction to the podium, stage, conference table and beyond. With a wide-range condenser element and low-mass diaphragm for superior performance, the microphone is equipped with self-contained electronics, eliminating the need for external power modules.
Very low-profile design for minimum visibility
Wide-range condenser element with low-mass diaphragm for superior performance
Uniform polar pattern for maximum rejection of unwanted sounds
Rugged design and construction
25\' (7.6 m) cable permanently attached between microphone and XLRM-type connector
Element: Fixed-charge back plate, permanently polarized condenser
Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response: 70-14,000 Hz
Open Circuit Sensitivity: -38 dB (12.5 mV) re 1V at 1 Pa
Impedance: 100 ohms
Maximum Input Sound Level: 134 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range: 105 dB, 1 kHz at Max SPL
Signal to Noise Ratio: 65 dB, 1 kHz at 1 Pa
Phantom Power Requiremens: 9-52V DC, 2 mA typical
Weight: 1.2 oz (35 g)
Dimensions: 1.44" (36.6 mm) maximum width, 2.14" (54.3 mm) maximum length, 0.61" (15.5 mm) height
Output Connector: 3-pin XLRM-type on cable
Cable: 25\' (7.6 m) long, permanently attached |
Boundary-layer Microphone
The LD Systems BM1 is an electret condenser microphone with a hemispherical directional characteristic.
For micing upright and grand pianos on stage or in the studio. Additional applications in the area of conference technology, transmission of roundtable discussions and theatrical performances.
Product type
Microphones
Type
Installations
Frequency response
50 - 20000 Hz
Directivity
half ball
Nominal impedance
250 Ohm(s)
Max. SPL (1% THD @ 1kHz)
135 dB
Phantom power requierements
48 V
Microphone input
XLR (3-pin)
Width
27 mm
Height
74.5 mm
Diameter
93.5 mm
Accessories (included)
cables (Mini-XLR / XLR, 6 m)
Weight
0,345 kg
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Designed for Broadcast, House of Worship, Pro Music, and other applications.
Half-cardioid polar pattern
Boundary layer
Ultra-thin profile (16 mm) housing
Rubber non-slip bottom pad and strong steel screen
Integrated pop filter
Case Material Die cast zinc
Connector Type 3-pin XLR
Element Back Electret Condenser
Finish Non-reflecting Black
Finish White
Impedance, Low-Z balanced 200 Ω
Mic Type Boundary
Open Circuit Voltage 25 mV/Pascal
Polar Pattern Cardioid
Wired/Wireless Wired
Height 16 mm (0.63“)
Width 94 mm (3.7“)
Depth 123 mm (4.84“)
Weight Net 12.63 oz (358 g) |
C 562 CM
Small, low-profile boundary layer microphone
Wide frequency range
High sensitivity
Ideal for inconspicuous installation in a room
Suited for surveillance or recording
The C 562 CM flush-mount boundary microphone uses the same transducer as the C 562 BL.
The C 562 CM has been designed specifically for permanent, "invisible" mounting in ceilings,
walls, tables, stage props, etc.
Owing to its high sensitivity, the C 562 CM is a perfect tool for surveillance or live recording
since a single microphone can cover an entire room. The supplied XLR phantom power adapter
connects to the microphone cable through a miniature connector so installation holes can be
smaller than the diameter of the phantom power adapter.
SPECIFICATIONS:
Polar pattern omnidirectional (hemispherical)
Frequency range 20 to 20,000 Hz
Sensitivity 25 mV/Pa (-32 dBV)
Max. SPL 130 dB (k=1 %)
Equivalent noise level 16 dB-A
Signal/noise ratio (A-weighted) 78 dB
Impedance 600 ohms
Recommended load impedance >2000 ohms
Supply voltage 9 to 52 V phantom power to DIN/IEC
Current consumption Connector 3-pin XLR
Cable 0.5 m (20 in.)
Finish matte nickel plated
Dimensions 20 dia. x 28 mm (0.8 dia. x 1.1 in.)
Net weight 30 g (1.1 oz.)
Shipping weight 195 g (76.9 oz.)
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