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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
| Electro-Voice PolarChoice Boundary Satellite Microphone Specifications:
Generation Element: Dual condenser,back electret
Frequency Response: 50 Hz to 20,000 Hz
Polar Patterns: Omnidirectional,Cardioid,Supercardioid,Hypercardioid
Sensitivity: Open Circuit Voltage,1 kHz:5.6mV/Pascal
Clipping Level (1% THD): >135 dB SPL
Equivalent Noise: Dynamic Range: >109 dB
Output Impedance,1 kHz: 200 ohms
Power Requirements: Phantom,12 - 52 VDC
Current Consumption: < 8 mA with P12 supp
Polarity: Pin 2 positive,referenced to pin 3,with positive
pressure on the diaphragm
Accessories Furnished: All versions of PolarChoice ship with the Shock Mount Kits and EV\'s Multiport™ windscreen. |
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
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The e 912 is a pre-polarized condenser boundary microphone with
half-cardioid pick-up pattern. Its acoustic properties have been
optimized for instruments, vocals and speech. The e 912 is an ideal
choice for pianos, theatre and opera productions, conference applications,
altars and lecterns.To optimally match the installation environment,
the e 912 is available in black or creme white.
Features
Frequency response and sensitivity optimized for picking up instruments,
vocals and speech
Unobtrusive, flat housing
Extremely rugged and step-resistant
Shock-absorbing rubber base
Mounting slots for table installation
Gold-plated XLR connector
Integrated pre-amp
Delivery Includes
e 912 Microphone
Pouch
User manual
Technical Data
Transducer principle (Microphone) permanently polarized condenser
Pick-up pattern half-cardioid
Sensitivity in free field, no load (1kHz) 10 mV/Pa
Max. Sound pressure level (aktiv) 135,6 dB
Equivalent noise level 26 dB(A)
Phantom powering 48 V / 1,1 mA
Nominal impedance
Min. terminating impedance 1000 Ohm
Dimensions 126,5 x 105 x 26,5 mm
Weight ca. 550 g
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The new Engineered Sound.
This low-profile omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound reinforcement, professional recording and teleconferencing in table-, ceiling-, or panel-mount applications. The microphone is equipped with a self-contained power module with an XLRM-type output connector, eliminating the need for an external power module. The microphone offers unsurpassed immunity from radio frequency interference thanks to Audio-Technica's UniGuard® innovations. Protected by a rugged all-metal case with a two-layer steel mesh grille, the microphone has a 360º pickup angle, and is available in two colors: black (ES945) and white (ES945W).
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording and teleconferencing
- Low-profile element provides uniform omnidirectional polar pattern with 360º acceptance angle
- Mounts unobtrusively in table-tops, ceilings and wall panels
- Self-contained power module with XLRM-type output connector
- Rugged all-metal case with a two-layer steel mesh grille
- Isolators provide mechanical dampening of mounting-surface vibration
- Requires 11V to 52V DC phantom power
- UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
- Available in two colors: black (ES945) and white (ES945W)
- RoHS compliant-free from all substances specified in the EU directive on hazardous substances
- Element: Fixed-charge back plate, permanently polarized condenser
- Polar Pattern: Omnidirectional
- Frequency Response: 40-18,000 Hz
- Open Circuit Sensitivity: -42 dB (7.9 mV) re 1V at 1 Pa
- Impedance: 200 ohms
- Maximum Input Sound Level: 142 dB SPL, 1 kHz at 1% T.H.D.
- Dynamic Range: 112 dB, 1 kHz at Max SPL
- Signal to Noise Ratio: 64 dB, 1 kHz at 1 Pa
- Phantom Power Requiremens: 11-52V DC, 2 mA typical
- Weight: 63 g (2.2 oz)
- Dimensions: 69.0 mm (2.72“) long, 28.0 mm (1.10“) diameter
- Output Connector: Integral 3-pin XLRM-type
| About the AKG Acoustics CBL 410 PCC
The AKG CBL 410 PCC Conference Microphone Set (Black) is a simple to use, plug and play desktop microphone for use with any PC or laptop. It improves audio quality incredibly when making a conference via VOIP. The microphone reproduces the voice with a clear and natural sound.
With its 3.5 mm stereo jack, it is a 100% plug and play device. No drivers are needed. Its ability to be cascaded makes the CBL 410 PCC the perfect tool for modern communication for both single person use in the office and/or multi-person use in a modern meeting room.
This microphone provides optimum intelligibility and audio quality for your meetings. The CBL 410 PCC is also an excellent choice for recording applications.
AKG Acoustics CBL 410 PCC Includes
- AKG 3x CBL 410 PCC PC Boundary Layer Microphones
- GHAP1 USB Adapter
- AKG Warranty
AKG Acoustics CBL 410 PCC Features
- Small and inconspicuous
- Exceptionally rugged
- Excellent sound quality
- High sensitivity
- Low self-noise
AKG Acoustics CBL 410 PCC Specifications
| Polar pattern |
Omnidirectional |
| Microphone Type |
Back electret condenser microphone |
| Frequency response |
50 Hz to 20 kHz |
| Impedance |
2000 ohms ±30% at 1000 Hz |
| Sensitivity |
-42 dB ±3 dB (7.9 mV/Pa)Sensitivity: |
| Maximum current consumption |
0.5 mA |
| Supply voltage |
1.5 to 5 V DC |
| Cable length |
100cm (40“) |
| Connector |
TRS mini jack |
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