RCF BM 3014 Paging Microphone

Unidirectional cardoid-pattern microphone with high sensitivity and extended frequency response. 
Factory-fitted for direct connection to the AM4000 series, PR4092, EL2126 CD sintoamplifier and 1000 series amplifiers.

General Specs

• Plastic body with 320 mm gooseneck
• Pushbutton for momentary microphone activation
• Connections on screw terminals inside

Specifications

• Type:Desktop paging microphone with dinamyc capsule
• Directivity:Unidirectional - Cardioid
• Frequency Response:100Hz ÷ 12 kHz
• Microphone Sensitivity:- 71 dB ± 3
• Output impedance:500Ω
• Signal/noise ratio:40dB
• Connector:3 pole XLR

Size/Weight

• Height:270 / 10.62mm/inch
• Width:200 / 7.87mm/inch
• Depth:132 / 5.20mm/inch
• Net Weight:6 / 3.53kg/lbs

In the tradition of the SM58^?, the Beta 58A dynamic microphone has become a top choice among vocalists and touring sound professionals.

The Shure Beta 58A is a high-output supercardioid dynamic vocal microphone designed for professional sound reinforcement and project studio recording. It maintains a true supercardioid pattern throughout its frequency range. This insures high gain-before-feedback, maximum isolation from other sound sources, and minimum off-axis tone coloration. The Beta 58A has a shaped frequency response that is ideal for close-up vocals. The superb performance of this microphone is not affected by rough handling because of its rugged construction, proven shock mount system, and hardened steel mesh grille. Typical applications for the Beta 58A include lead vocals, backup vocals and speech.

• Smooth, extended frequency response for outstanding sound for professional live vocal use
• Consistent supercardioid pattern provides the best gain-before-feedback among dynamic microphones
• Pneumatic shock mount reduces handling noise
• Frequency response: 50 to 16,000 Hz

• Frequency response tailored for vocals, with brightened midrange and bass rolloff to control proximity effect
• Uniform supercardioid pattern for high gain before feedback and superior rejection of off–axis sound
• Neodymium magnet for high signal–to–noise output
• Hardened steel mesh grille that resists wear and abuse
• Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration
• Minimally effected by varying load impedance
• Legendary Shure quality and reliability

• Pneumatic shockmount system cuts down handling noise
• Effective, built-in spherical wind and pop filter
• Supplied with break-resistant microphone clip that rotates 180 degrees
• High quality, rugged, and reliable
• Cardioid dynamic
• Frequency response: 50 Hz to 15 kHz

Transformerless Power/Output Module ? The SE 300 B is used with all AKG Blue Line capsules and operates from 9 ? 52 V phantom power. The 3-position switch allows selection of linear response, -10 dB preattenuation and 12-dB-per-octave 75 Hz low-cut filter. A stand adapter is included.

Specifications

Polar pattern: hypercardioid/directional
Frequency range: 20?20,000 Hz
Sensitivity: 25 mV/Pa (-32 dBV)
Max. SPL for 1 % THD: 124/134 dB
Equivalent noise level: 17 dB-A
Signal/noise ratio (A weighted): 77 dB
Preattenuation pad: -10 dB, switchable Bass cut filter: 12 dB/octave at 75 Hz
Electrical impedance: 200 Ohms
Recommended load impedance: >1,000 Ohms
Power requirement: 9 to 52 V phantom power to DIN 45 596
Current consumption:

The Shure KSM137 is an end-address condenser microphone with a cardioid polar pattern. Designed for studio use, yet rugged enough for live applications, the KSM137 can withstand extremely high sound pressure levels (SPL). Its low self-noise and extended frequency response make it ideal for recording musical instruments.

Features

• A highly consistent cardioid polar pattern
• Ultra-thin, 2.5 micron, 24 karat gold-layered, low mass Mylar? diaphragm for superior transient response
• Class A, discrete, transformerless preamplifier for transparency, extremely fast transient response, no crossover distortion, and minimal harmonic and intermodulation distortion
• Premium electronic components, including gold-plated internal and external connectors
• Subsonic filter eliminates low frequency rumble (less than 17 Hz) caused by mechanical vibration
• Switchable 15 dB pad for handling extremely high sound pressure levels (SPLs)
• Three-position switchable pad (0 dB, 15 dB, and 25 dB) for handling extremely high sound pressure levels (SPLs)
• Three-position switchable low-frequency filter reduces background noise and counteracts proximity effect

Performance Characteristics

• Extended frequency response
• Low self noise
• Exceptional reproduction of low-frequency sounds
• Can withstand high sound pressure levels (SPL)
• High output level
• No crossover distortion
• Uniform polar response
• Superior common mode rejection and suppression of radio frequency interference

APPLICATIONS

Some typical applications for the KSM137 are listed below. Microphone use, however, is a matter of personal taste. The KSM137 may be used for a variety of applications other than those listed.

• Acoustic instruments -- such as piano, guitar, drums, percussion, strings
• Wind instruments -- brass and woodwind
• Low frequency instruments -- such as double bass, electric bass, kick drum
• Overhead miking -- drums or percussion
• Ensembles -- choral or orchestral
• Room ambiance pick-up -- guitar amplifier or drums

Both the acoustic environment and microphone placement strongly affect the sound obtained from miking a source. You may need to experiment with microphone placement and room treatments to achieve the best overall sound for each application.

Suggested Applications

Acoustic Guitar
Acoustic Bass
Cymbals
Brass/Woodwinds
Orchestra
Ensemble Vocals
Piano
Strings
Room Ambience
Live Recording