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The APM series are digital paging microphones equipped with a condenser microphone with cardiologic characteristics, mounted on a 30 cm long gooseneck. By means of a built-in compressor / limiter, the output level of the microphone signal is constantly maintained. The status of the reproduced signal is indicated on the front panel, to ensure the speaker that the message is clear and audible in all situations. Each console has 3 standard buttons (except the APM01 which has only PTT) with pre assigned functions: PTT (Push To Talk), Select all and Clear. All other buttons can be freely programmed, using the free APM configuration software. |
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
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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
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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
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Frequency response tailored for vocals, with brightened midrange and bass rolloff to control proximity effect
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Uniform supercardioid pattern for high gain before feedback and superior rejection of off–axis sound
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Neodymium magnet for high signal–to–noise output
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Hardened steel mesh grille that resists wear and abuse
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Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration
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Minimally effected by varying load impedance
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Legendary Shure quality and reliability
| Transducer |
(Moving Coil, with Neodymium Magnet) Dynamic |
| Polar Pattern |
Supercardioid |
| Frequency Response |
50 Hz - 16 kHz |
| Maximum Input Sound Level |
not specified by manufacturer |
| Power Requirements |
None Dynamic, Requires No Phantom or Battery Power |
| Output Impedance |
150 Ohms (290 Ohms Actual) |
| Output Connectors |
XLR-3 Type |
| Dimensions |
6.375 x 2" (162 x 51mm) LxDiameter |
| Weight |
9.92 oz. (278 g) |
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Designed to operate exclusively with the PAM-340A the RM-05A will allow either individual selection of any combination of paging zones or the all-all facility. A flexible gooseneck microphone is supplied together with a three metre lead, complete with multiway connectors to connect the RM-05A to the host amplifier. Power: Supplied by the host PAM-340A. Dimensions: 195mm(w) x 60mm(h) x 205mm(d). Weight: 1.2 kg including microphone. | Optimized for low-frequency bass punch/high-power SPL handling. Designed for kick drum.
The Shure BETA®52A is a high output dynamic microphone with a tailored frequency response designed specifically for kick drums and other bass instruments. It provides superb attack and "punch“, and delivers studio quality sound even at extremely high sound pressure levels.
The Beta 52A features a modified supercardioid pattern throughout its frequency range to insure high gain-before-feedback and excellent rejection of unwanted sound. A built in dynamic locking stand adapter with an integral XLR connector simplifies installation, particularly if the microphone is to be placed inside a kick drum. The stand adapter keeps the microphone position fixed and resists slipping, even when subjected to sharp blows and strong vibrations. A hardened steel mesh grille protects the Beta 52A from the abuse and wear associated with touring.
Features
- Frequency response shaped specifically for kick drums and bass instruments
- Built–in dynamic locking stand adapter with integral XLR connector simplifies setup, especially inside a kick drum
- Studio quality performance, even at extremely high sound pressure levels
- Supercardioid pattern for high gain before feedback and superior rejection of unwanted noise
- Hardened steel mesh grille that resists wear and abuse
- Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration
- Neodymium magnet for high signal–to–noise ratio output
- Low sensitivity to varying load impedance
- Legendary Shure quality and reliability
| Type |
Dynamic (moving coil) |
| Frequency Response |
20 to 10,000 Hz |
| Polar Pattern |
Supercardioid, rotationally symmetrical about microphone axis |
| Output Level |
Open Circuit Voltage: -64 dBV/Pa* (0.6 mV), *1 Pa = 94 dB SPL |
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